# 1278070 (number)

1,278,070 (one million two hundred seventy-eight thousand seventy) is an even seven-digits composite number following 1278069 and preceding 1278071. In scientific notation, it is written as 1.27807 × 106. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 511,224 positive integers (up to 1278070) that are relatively prime to 1278070.

## Basic properties

• Is Prime? No
• Number parity Even
• Number length 7
• Sum of Digits 25
• Digital Root 7

## Name

Short name 1 million 278 thousand 70 one million two hundred seventy-eight thousand seventy

## Notation

Scientific notation 1.27807 × 106 1.27807 × 106

## Prime Factorization of 1278070

Prime Factorization 2 × 5 × 127807

Composite number
Distinct Factors Total Factors Radical ω(n) 3 Total number of distinct prime factors Ω(n) 3 Total number of prime factors rad(n) 1278070 Product of the distinct prime numbers λ(n) -1 Returns the parity of Ω(n), such that λ(n) = (-1)Ω(n) μ(n) -1 Returns: 1, if n has an even number of prime factors (and is square free) −1, if n has an odd number of prime factors (and is square free) 0, if n has a squared prime factor Λ(n) 0 Returns log(p) if n is a power pk of any prime p (for any k >= 1), else returns 0

The prime factorization of 1,278,070 is 2 × 5 × 127807. Since it has a total of 3 prime factors, 1,278,070 is a composite number.

## Divisors of 1278070

8 divisors

 Even divisors 4 4 2 2
Total Divisors Sum of Divisors Aliquot Sum τ(n) 8 Total number of the positive divisors of n σ(n) 2.30054e+06 Sum of all the positive divisors of n s(n) 1.02247e+06 Sum of the proper positive divisors of n A(n) 287568 Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) G(n) 1130.52 Returns the nth root of the product of n divisors H(n) 4.44441 Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1,278,070 can be divided by 8 positive divisors (out of which 4 are even, and 4 are odd). The sum of these divisors (counting 1,278,070) is 2,300,544, the average is 287,568.

## Other Arithmetic Functions (n = 1278070)

1 φ(n) n
Euler Totient Carmichael Lambda Prime Pi φ(n) 511224 Total number of positive integers not greater than n that are coprime to n λ(n) 255612 Smallest positive number such that aλ(n) ≡ 1 (mod n) for all a coprime to n π(n) ≈ 98238 Total number of primes less than or equal to n r2(n) 0 The number of ways n can be represented as the sum of 2 squares

There are 511,224 positive integers (less than 1,278,070) that are coprime with 1,278,070. And there are approximately 98,238 prime numbers less than or equal to 1,278,070.

## Divisibility of 1278070

 m n mod m 2 3 4 5 6 7 8 9 0 1 2 0 4 3 6 7

The number 1,278,070 is divisible by 2 and 5.

• Arithmetic
• Deficient

• Polite

• Square Free

• Sphenic

## Base conversion (1278070)

Base System Value
2 Binary 100111000000001110110
3 Ternary 2101221011221
4 Quaternary 10320001312
5 Quinary 311344240
6 Senary 43220554
8 Octal 4700166
10 Decimal 1278070
12 Duodecimal 51775a
20 Vigesimal 7jf3a
36 Base36 re5y

## Basic calculations (n = 1278070)

### Multiplication

n×y
 n×2 2556140 3834210 5112280 6390350

### Division

n÷y
 n÷2 639035 426023 319518 255614

### Exponentiation

ny
 n2 1633462924900 2087679960426943000 2668201127022863040010000 3410147814414110565545580700000

### Nth Root

y√n
 2√n 1130.52 108.522 33.6232 16.646

## 1278070 as geometric shapes

### Circle

 Diameter 2.55614e+06 8.03035e+06 5.13168e+12

### Sphere

 Volume 8.74485e+18 2.05267e+13 8.03035e+06

### Square

Length = n
 Perimeter 5.11228e+06 1.63346e+12 1.80746e+06

### Cube

Length = n
 Surface area 9.80078e+12 2.08768e+18 2.21368e+06

### Equilateral Triangle

Length = n
 Perimeter 3.83421e+06 7.0731e+11 1.10684e+06

### Triangular Pyramid

Length = n
 Surface area 2.82924e+12 2.46035e+17 1.04354e+06
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