20155912 (number)

20155912 is an even 8-digits composite number following 20155911 and preceding 20155913. In scientific notation, it is written as 2.0155912 × 10^7. The sum of its digits is 25. It has a total of 6 prime factors and 32 positive divisors. There are 8262144 positive integers (up to 20155912) that are relatively prime to 20155912.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifty-five thousand nine hundred twelve

Notation

Scientific notation 2.0155912 × 10^7
Engineering notation 2.0155912 × 10^6

Prime Factorization of 20155912

Prime Factorization 2 × 2 × 2 × 7 × 23 × 15649

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5038978
Product of the distinct prime numbers

The prime factorization of 20155912 is 2 × 2 × 2 × 7 × 23 × 15649. Since it has a total of 6 prime factors.

Most popular turbo-numbers

6, 5, 21, 43, 237, 734, 9597, 9396, 96883, 53723, 603611, 683399, 6202972, 9154034, 15760667, 76629065, 137564863, 595605486, 3998754278, 9428566940

Basic calculations (n = 20155912)

Multiplication

n×y
n×2 40311824
n×3 60467736
n×4 80623648
n×5 100779560

Division

n÷y
n÷2 10077956
n÷3 6718637.3333333
n÷3 5038978
n÷5 4031182.4

Exponentiation

ny
n2 406260788551744
n3 8.1885567030996E+21
n4 1.6504782831468E+29
n5 3.3266895033019E+36

Nth Root

y√n
2√n 4489.5336060664
3√n 272.14528714549
4√n 67.003982016492
5√n 28.898845336489

Divisors of 20155912

1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 644, 1288, 15649, 31298, 62596, 109543, 125192, 219086, 359927, 438172, 719854, 876344, 1439708, 2519489, 2879416, 5038978, 10077956, 20155912

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20155911
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20155912 can be divided by 32 positive divisors. The sum of these divisors (counting 20155912) is 1, the average is 0.03125.

Base conversion 20155912

Base System Value
2 Binary 1001100111000111000001000
3 Ternary 1101221000201021
4 Quaternary 1030320320020
5 Quinary 20124442122
6 Senary 2000002224
8 Octal 114707010
10 Decimal 20155912
12 Duodecimal 6900374
16 Hexadecimal 1338e08
20 Vigesimal 65j9fc
36 Base36 c00eg

Cryptographic Hash Functions

md5 b3c6a6a28e3e661b08aebfb7ef9ce3b4
sha1 31c26b54a6bf29b45250285a61d67e07a63e4bb3
sha256 40c5e8a3cf201d7de00fbacfb8d57ad3778034b07f58b41ed300c482513c28b0
sha512 1daf6e0c6b34b31eaf1e24d68e2c7ea90c9d81a3f029e5ca9bc36bb4074f055f1e0a95268f6caf977f5dd3dac4aa8e7c7e5a0884fad134f8e45fff73ceb9b98e
ripemd-160 f606eb1aa31c69559effb0a4e603bde9d7d15947

20155912 as geometric shapes

Circle

Radius = n
Diameter 40311824
Circumference 126643330.1312
Area 1.2763059087558E+15

Sphere

Radius = n
Volume 3.4300146109281E+22
Surface area 5.105223635023E+15
Circumference 126643330.1312

Square

Length = n
Perimeter 80623648
Area 406260788551744
Diagonal 28504764.112399

Cube

Length = n
Surface area 2437564731310464
Volume 8.1885567030996E+21
Space diagonal 34911063.656887

Equilateral Triangle

Length = n
Perimeter 60467736
Area 1.7591608172365E+14
Altitude 17455531.828444

Triangular Pyramid

Length = n
Surface area 1.7591608172365E+14
Volume 9.6503066214871E+20
Height 9501588.0374662