21813922 (number)

21813922 is an even 8-digits composite number following 21813921 and preceding 21813923. In scientific notation, it is written as 2.1813922 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 9853200 positive integers (up to 21813922) that are relatively prime to 21813922.

Interesting facts

Basic properties

Name

Name twenty-one million eight hundred thirteen thousand nine hundred twenty-two

Notation

Scientific notation 2.1813922 × 10^7
Engineering notation 2.1813922 × 10^6

Prime Factorization of 21813922

Prime Factorization 2 × 13 × 47 × 17851

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21813922
Product of the distinct prime numbers

The prime factorization of 21813922 is 2 × 13 × 47 × 17851. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 5, 20, 77, 37, 731, 5838, 52, 88222, 36857, 725659, 183211, 9033020, 5063392, 29019605, 79056032, 833714025, 115062804, 4336316354, 9356623782

Basic calculations (n = 21813922)

Multiplication

n×y
n×2 43627844
n×3 65441766
n×4 87255688
n×5 109069610

Division

n÷y
n÷2 10906961
n÷3 7271307.3333333
n÷3 5453480.5
n÷5 4362784.4

Exponentiation

ny
n2 475847193022084
n3 1.0380093552503E+22
n4 2.26430551107E+29
n5 4.939338380265E+36

Nth Root

y√n
2√n 4670.537656416
3√n 279.41169847242
4√n 68.341331977186
5√n 29.359371286099

Divisors of 21813922

1, 2, 13, 26, 47, 94, 611, 1222, 17851, 35702, 232063, 464126, 838997, 1677994, 10906961, 21813922

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 -21813921
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 21813922 can be divided by 16 positive divisors. The sum of these divisors (counting 21813922) is 1, the average is 0.0625.

Base conversion 21813922

Base System Value
2 Binary 1010011001101101010100010
3 Ternary 1112001021002001
4 Quaternary 1103031222202
5 Quinary 21041021142
6 Senary 2055314214
8 Octal 123155242
10 Decimal 21813922
12 Duodecimal 737b96a
16 Hexadecimal 14cdaa2
20 Vigesimal 6g6eg2
36 Base36 czjqa

Cryptographic Hash Functions

md5 0380dd6d58f8deea1d95e044720a6f8f
sha1 33e56fbf48b8ce46c78c4c0602f502196f11b436
sha256 3d1d0bb69a3be1237be368135b6ef3aaa4043f6a70aa81601896f9fcaf045a48
sha512 9d82e744c49c33b1465c860017f705500019596fd6158d6724401b46a9763307c9b25e98ddd69b04b94bd22844558382c49d970a830276b3e719dab0e9d6cac0
ripemd-160 985936de07320ec9f05ce311af9de12175860bde

21813922 as geometric shapes

Circle

Radius = n
Diameter 43627844
Circumference 137060914.20236
Area 1.4949180458295E+15

Sphere

Radius = n
Volume 4.348003419749E+22
Surface area 5.979672183318E+15
Circumference 137060914.20236

Square

Length = n
Perimeter 87255688
Area 475847193022084
Diagonal 30849544.340949

Cube

Length = n
Surface area 2855083158132504
Volume 1.0380093552503E+22
Space diagonal 37782821.216344

Equilateral Triangle

Length = n
Perimeter 65441766
Area 2.0604787873832E+14
Altitude 18891410.608172

Triangular Pyramid

Length = n
Surface area 2.0604787873832E+14
Volume 1.2233057567209E+21
Height 10283181.446983