20513908 (number)

20513908 is an even 8-digits composite number following 20513907 and preceding 20513909. In scientific notation, it is written as 2.0513908 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors. There are 10155200 positive integers (up to 20513908) that are relatively prime to 20513908.

Interesting facts

Basic properties

Name

Name twenty million five hundred thirteen thousand nine hundred eight

Notation

Scientific notation 2.0513908 × 10^7
Engineering notation 2.0513908 × 10^6

Prime Factorization of 20513908

Prime Factorization 2 × 2 × 101 × 50777

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10256954
Product of the distinct prime numbers

The prime factorization of 20513908 is 2 × 2 × 101 × 50777. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 6, 81, 3, 202, 850, 7865, 4681, 23725, 44825, 434220, 383886, 7040227, 5369070, 36355528, 79348396, 935168247, 824805981, 9494497739, 3543801984

Basic calculations (n = 20513908)

Multiplication

n×y
n×2 41027816
n×3 61541724
n×4 82055632
n×5 102569540

Division

n÷y
n÷2 10256954
n÷3 6837969.3333333
n÷3 5128477
n÷5 4102781.6

Exponentiation

ny
n2 420820421432464
n3 8.6326714097868E+21
n4 1.770898270946E+29
n5 3.6328044207545E+36

Nth Root

y√n
2√n 4529.2281903212
3√n 273.74706265136
4√n 67.299540788338
5√n 29.00078012885

Divisors of 20513908

1, 2, 4, 101, 202, 404, 50777, 101554, 203108, 5128477, 10256954, 20513908

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 -20513907
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 20513908 can be divided by 12 positive divisors. The sum of these divisors (counting 20513908) is 1, the average is 0.083333333333333.

Base conversion 20513908

Base System Value
2 Binary 1001110010000010001110100
3 Ternary 1102121012210101
4 Quaternary 1032100101310
5 Quinary 20222421113
6 Senary 2011403444
8 Octal 116202164
10 Decimal 20513908
12 Duodecimal 6a53584
16 Hexadecimal 1390474
20 Vigesimal 6844f8
36 Base36 c7oms

Cryptographic Hash Functions

md5 218d602ebd0252d51e7ef2b663a36120
sha1 0e50cbcda5b4562df5545e2233a3237dffda832f
sha256 3d76e76c927a65eef16c8578e9457baedf9f228a014345e6ade5f97f70db8405
sha512 8f720c2436130192877d4b6046c53542ea490794db0efa975e9c6e52d5b010119d2db8d66f7e23fa5c28d2a810e97c890ca5f8e33a2152a9b22e8d1d6d146457
ripemd-160 08f638848a088cbcc11eaa7539a357e1abb2e3de

20513908 as geometric shapes

Circle

Radius = n
Diameter 41027816
Circumference 128892685.33843
Area 1.3220463444528E+15

Sphere

Radius = n
Volume 3.6160449442454E+22
Surface area 5.2881853778112E+15
Circumference 128892685.33843

Square

Length = n
Perimeter 82055632
Area 420820421432464
Diagonal 29011046.910874

Cube

Length = n
Surface area 2524922528594784
Volume 8.6326714097868E+21
Space diagonal 35531130.917794

Equilateral Triangle

Length = n
Perimeter 61541724
Area 1.8222058769589E+14
Altitude 17765565.458897

Triangular Pyramid

Length = n
Surface area 1.8222058769589E+14
Volume 1.0173700822692E+21
Height 9670348.9702913