21531922 (number)

21531922 is an even 8-digits composite number following 21531921 and preceding 21531923. In scientific notation, it is written as 2.1531922 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors. There are 10462608 positive integers (up to 21531922) that are relatively prime to 21531922.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1531922 × 10^7
Engineering notation 2.1531922 × 10^6

Prime Factorization of 21531922

Prime Factorization 2 × 157 × 47 × 1459

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21531922
Product of the distinct prime numbers

The prime factorization of 21531922 is 2 × 157 × 47 × 1459. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 8, 85, 46, 250, 809, 2120, 3973, 48089, 88661, 599153, 441979, 4049982, 7466879, 6369737, 85551451, 946473465, 568379787, 3160245757, 787722522

Basic calculations (n = 21531922)

Multiplication

n×y
n×2 43063844
n×3 64595766
n×4 86127688
n×5 107659610

Division

n÷y
n÷2 10765961
n÷3 7177307.3333333
n÷3 5382980.5
n÷5 4306384.4

Exponentiation

ny
n2 463623665014084
n3 9.9827085924374E+21
n4 2.1494690276109E+29
n5 4.6282199443934E+36

Nth Root

y√n
2√n 4640.2502087711
3√n 278.20243868157
4√n 68.119382034565
5√n 29.283066893204

Divisors of 21531922

1, 2, 47, 94, 157, 314, 1459, 2918, 7379, 14758, 68573, 137146, 229063, 458126, 10765961, 21531922

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21531921
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21531922 can be divided by 16 positive divisors. The sum of these divisors (counting 21531922) is 1, the average is 0.0625.

Base conversion 21531922

Base System Value
2 Binary 1010010001000110100010010
3 Ternary 1111111221020121
4 Quaternary 1102020310102
5 Quinary 21003010142
6 Senary 2045300454
8 Octal 122106422
10 Decimal 21531922
12 Duodecimal 726472a
16 Hexadecimal 1488d12
20 Vigesimal 6eb9g2
36 Base36 cti4y

Cryptographic Hash Functions

md5 8d43644112f4fae96a89698e633d9206
sha1 b18edb16210f6dba2d8acbe82bfd49a74f8713c4
sha256 d616a63896c11f2f89fa72642dcb510dd25df87b57118633bca4fb0e14aa8771
sha512 381f1421abc8085caee1364bd7e0f5c086f37e7b572c967cc9924e83c5801946d46de1383dd22bbde1af1c2bd47c70f8bb337385d93edd80684394b11328dfa1
ripemd-160 8090b065f8bc538a14ac50f14029bf2e1103e7d7

21531922 as geometric shapes

Circle

Radius = n
Diameter 43063844
Circumference 135289055.94574
Area 1.4565167000386E+15

Sphere

Radius = n
Volume 4.1815471969239E+22
Surface area 5.8260668001545E+15
Circumference 135289055.94574

Square

Length = n
Perimeter 86127688
Area 463623665014084
Diagonal 30450736.11636

Cube

Length = n
Surface area 2781741990084504
Volume 9.9827085924374E+21
Space diagonal 37294382.88861

Equilateral Triangle

Length = n
Perimeter 64595766
Area 2.0075493584892E+14
Altitude 18647191.444305

Triangular Pyramid

Length = n
Surface area 2.0075493584892E+14
Volume 1.1764734900536E+21
Height 10150245.37212