21931490 (number)

21931490 is an even 8-digits composite number following 21931489 and preceding 21931491. In scientific notation, it is written as 2.1931490 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors. There are 7519344 positive integers (up to 21931490) that are relatively prime to 21931490.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred thirty-one thousand four hundred ninety

Notation

Scientific notation 2.1931490 × 10^7
Engineering notation 2.1931490 × 10^6

Prime Factorization of 21931490

Prime Factorization 2 × 7 × 5 × 313307

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21931490
Product of the distinct prime numbers

The prime factorization of 21931490 is 2 × 7 × 5 × 313307. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 8, 85, 40, 254, 893, 2742, 720, 19867, 34553, 209602, 284621, 4908066, 4390755, 91727128, 82496474, 770771746, 515411055, 8289930221, 6430881157

Basic calculations (n = 21931490)

Multiplication

n×y
n×2 43862980
n×3 65794470
n×4 87725960
n×5 109657450

Division

n÷y
n÷2 10965745
n÷3 7310496.6666667
n÷3 5482872.5
n÷5 4386298

Exponentiation

ny
n2 480990253620100
n3 1.0548832937367E+22
n4 2.3135162407753E+29
n5 5.0738858299401E+36

Nth Root

y√n
2√n 4683.1068747147
3√n 279.91277044689
4√n 68.433229316719
5√n 29.390950249246

Divisors of 21931490

1, 2, 5, 7, 10, 14, 35, 70, 313307, 626614, 1566535, 2193149, 3133070, 4386298, 10965745, 21931490

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 -21931489
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 21931490 can be divided by 16 positive divisors. The sum of these divisors (counting 21931490) is 1, the average is 0.0625.

Base conversion 21931490

Base System Value
2 Binary 1010011101010010111100010
3 Ternary 1112021020100102
4 Quaternary 1103222113202
5 Quinary 21103301430
6 Senary 2102022402
8 Octal 123522742
10 Decimal 21931490
12 Duodecimal 7417a02
16 Hexadecimal 14ea5e2
20 Vigesimal 6h18ea
36 Base36 d22g2

Cryptographic Hash Functions

md5 b559ed6a007f324eb8f3908b8329e425
sha1 1d737115f9daa61d7ac462cb550fe77f1d8e017b
sha256 3c125093e92daa8cab05a21edecc48af947a0fe46982889a1707773fe36cbcd0
sha512 4b808663548d6b69819e3a2892551e30bee9e279841a07a185242219983111e8f32a315c32029f02ba6e0134f31b80a004d2e0454b320a9b7a07e471efa986ba
ripemd-160 7df210c69983bf07e3ab18c47c0fe3b5595a4952

21931490 as geometric shapes

Circle

Radius = n
Diameter 43862980
Circumference 137799615.73256
Area 1.5110754472212E+15

Sphere

Radius = n
Volume 4.418684807997E+22
Surface area 6.0443017888848E+15
Circumference 137799615.73256

Square

Length = n
Perimeter 87725960
Area 480990253620100
Diagonal 31015810.60105

Cube

Length = n
Surface area 2885941521720600
Volume 1.0548832937367E+22
Space diagonal 37986454.965689

Equilateral Triangle

Length = n
Perimeter 65794470
Area 2.0827488930386E+14
Altitude 18993227.482844

Triangular Pyramid

Length = n
Surface area 2.0827488930386E+14
Volume 1.243191883936E+21
Height 10338603.533683