12918908 (number)

12918908 is an even 8-digits composite number following 12918907 and preceding 12918909. In scientific notation, it is written as 1.2918908 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors. There are 6448512 positive integers (up to 12918908) that are relatively prime to 12918908.

Interesting facts

Basic properties

Name

Name twelve million nine hundred eighteen thousand nine hundred eight

Notation

Scientific notation 1.2918908 × 10^7
Engineering notation 1.2918908 × 10^6

Prime Factorization of 12918908

Prime Factorization 2 × 2 × 673 × 4799

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 6459454
Product of the distinct prime numbers

The prime factorization of 12918908 is 2 × 2 × 673 × 4799. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12918908)

Multiplication

n×y
n×2 25837816
n×3 38756724
n×4 51675632
n×5 64594540

Division

n÷y
n÷2 6459454
n÷3 4306302.6666667
n÷3 3229727
n÷5 2583781.6

Exponentiation

ny
n2 166898183912464
n3 2.1561422833322E+21
n4 2.7855003793279E+28
n5 3.5985623134502E+35

Nth Root

y√n
2√n 3594.2882466491
3√n 234.64353985386
4√n 59.952383160714
5√n 26.439008294945

Divisors of 12918908

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12918907
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12918908 can be divided by 12 positive divisors. The sum of these divisors (counting 12918908) is 1, the average is 0.083333333333333.

Base conversion 12918908

Base System Value
2 Binary 110001010010000001111100
3 Ternary 220022100102002
4 Quaternary 301102001330
5 Quinary 11301401113
6 Senary 1140521432
8 Octal 61220174
10 Decimal 12918908
12 Duodecimal 43b0278
16 Hexadecimal c5207c
20 Vigesimal 40eh58
36 Base36 7owak

Cryptographic Hash Functions

md5 d568237ae28f84eebbdcbb4069abe311
sha1 327c5b27ccabd20af65fc358fc077532fc3b0ad8
sha256 79670d4fccf15596a6d15f82b5e3e6567dbebc052d4282306d61e299cfde845e
sha512 04438d48bb8bf5c7ff12f82ce6887e4788ddb224dd3da6bca2b6474a7168572ab2bc3394c83c59c288ae7eb6fe0c1ed9877551f11e4329f3c8a8ad1b1b710e2d
ripemd-160 0578bfca94d267988f8b0b10524940591fd0f9fb

12918908 as geometric shapes

Circle

Radius = n
Diameter 25837816
Circumference 81171892.930405
Area 5.2432610847688E+14

Sphere

Radius = n
Volume 9.0316276765477E+21
Surface area 2.0973044339075E+15
Circumference 81171892.930405

Square

Length = n
Perimeter 51675632
Area 166898183912464
Diagonal 18270094.90465

Cube

Length = n
Surface area 1001389103474784
Volume 2.1561422833322E+21
Space diagonal 22376205.034308

Equilateral Triangle

Length = n
Perimeter 38756724
Area 72269033556841
Altitude 11188102.517154

Triangular Pyramid

Length = n
Surface area 72269033556841
Volume 2.5410380495787E+20
Height 6090031.6348834