21931520 (number)

21931520 is an even 8-digits composite number following 21931519 and preceding 21931521. In scientific notation, it is written as 2.1931520 × 10^7. The sum of its digits is 23. It has a total of 12 prime factors and 80 positive divisors. There are 8085504 positive integers (up to 21931520) that are relatively prime to 21931520.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred thirty-one thousand five hundred twenty

Notation

Scientific notation 2.1931520 × 10^7
Engineering notation 2.1931520 × 10^6

Prime Factorization of 21931520

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 13 × 659

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 12
Total number of prime factors
rad Radical 85670
Product of the distinct prime numbers

The prime factorization of 21931520 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 13 × 659. Since it has a total of 12 prime factors.

Most popular turbo-numbers

6, 3, 2, 76, 388, 947, 6124, 4991, 80583, 46095, 464401, 778154, 4061684, 7043700, 94849432, 13002546, 474202572, 373436878, 3550370606, 3851575590

Basic calculations (n = 21931520)

Multiplication

n×y
n×2 43863040
n×3 65794560
n×4 87726080
n×5 109657600

Division

n÷y
n÷2 10965760
n÷3 7310506.6666667
n÷3 5482880
n÷5 4386304

Exponentiation

ny
n2 480991569510400
n3 1.0548876226549E+22
n4 2.3135288994008E+29
n5 5.0739205327786E+36

Nth Root

y√n
2√n 4683.1100777154
3√n 279.91289807736
4√n 68.433252719094
5√n 29.390958289995

Divisors of 21931520

1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 640, 659, 832, 1040, 1280, 1318, 1664, 2080, 2560, 2636, 3295, 3328, 4160, 5272, 6590, 6656, 8320, 8567, 10544, 13180, 16640, 17134, 21088, 26360, 33280, 34268, 42176, 42835, 52720, 68536, 84352, 85670, 105440, 137072, 168704, 171340, 210880, 274144, 337408, 342680, 421760, 548288, 685360, 843520, 1096576, 1370720, 1687040, 2193152, 2741440, 4386304, 5482880, 10965760, 21931520

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21931519
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21931520 can be divided by 80 positive divisors. The sum of these divisors (counting 21931520) is 1, the average is 0.0125.

Base conversion 21931520

Base System Value
2 Binary 1010011101010011000000000
3 Ternary 1112021020101112
4 Quaternary 1103222120000
5 Quinary 21103302040
6 Senary 2102022452
8 Octal 123523000
10 Decimal 21931520
12 Duodecimal 7417a28
16 Hexadecimal 14ea600
20 Vigesimal 6h18g0
36 Base36 d22gw

Cryptographic Hash Functions

md5 7756a49c6ba8a53f7a2f797061ce1bc8
sha1 03c4097a8fed7d644c8f3f6dff4d47452e73389d
sha256 04272684e781624b64ca3957b142277fcb78cccc4c5ed6eae5e4b091b1f7a597
sha512 759d19894cd544a2de4aeab91bbcc2b4185f98ff3b7932dd238086c17b780ec9c10f106ab430819465f17790e8b456e7faf43c18d955fc3331125a6d01581aff
ripemd-160 12b59fdd88dfff49b34359691f2a065eec28e313

21931520 as geometric shapes

Circle

Radius = n
Diameter 43863040
Circumference 137799804.22812
Area 1.5110795812125E+15

Sphere

Radius = n
Volume 4.4187029409271E+22
Surface area 6.04431832485E+15
Circumference 137799804.22812

Square

Length = n
Perimeter 87726080
Area 480991569510400
Diagonal 31015853.027457

Cube

Length = n
Surface area 2885949417062400
Volume 1.0548876226549E+22
Space diagonal 37986506.927213

Equilateral Triangle

Length = n
Perimeter 65794560
Area 2.0827545910108E+14
Altitude 18993253.463606

Triangular Pyramid

Length = n
Surface area 2.0827545910108E+14
Volume 1.243196985615E+21
Height 10338617.675819