21931429 (number)

21931429 is an odd 8-digits composite number following 21931428 and preceding 21931430. In scientific notation, it is written as 2.1931429 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 20244384 positive integers (up to 21931429) that are relatively prime to 21931429.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1931429 × 10^7
Engineering notation 2.1931429 × 10^6

Prime Factorization of 21931429

Prime Factorization 13 × 1687033

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21931429
Product of the distinct prime numbers

The prime factorization of 21931429 is 13 × 1687033. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21931429)

Multiplication

n×y
n×2 43862858
n×3 65794287
n×4 87725716
n×5 109657145

Division

n÷y
n÷2 10965714.5
n÷3 7310476.3333333
n÷3 5482857.25
n÷5 4386285.8

Exponentiation

ny
n2 480987577982041
n3 1.0548744916395E+22
n4 2.3134905017303E+29
n5 5.0738152680872E+36

Nth Root

y√n
2√n 4683.1003619397
3√n 279.91251093123
4√n 68.433181731816
5√n 29.390933899696

Divisors of 21931429

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21931428
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21931429 can be divided by 4 positive divisors. The sum of these divisors (counting 21931429) is 1, the average is 0.25.

Base conversion 21931429

Base System Value
2 Binary 1010011101010010110100101
3 Ternary 1112021020021011
4 Quaternary 1103222112211
5 Quinary 21103301204
6 Senary 2102022221
8 Octal 123522645
10 Decimal 21931429
12 Duodecimal 7417971
16 Hexadecimal 14ea5a5
20 Vigesimal 6h18b9
36 Base36 d22ed

Cryptographic Hash Functions

md5 66daf3f757a3cd796248f558ddd098ca
sha1 8f3e5e9eb8b67e50d8496c0d4de7e29414e0f884
sha256 8c2a23ea438e89ca0389b8d53e7a27bd74acb314421c6a47b5b18b53cb405a8b
sha512 87faf55fcc0f729131b2d56973db9cc7c8ddbe5799c8d2b53dd7a92cc7e30389ddac7c5705b99e48cf3a930ef4699d0f2c32cda73a60e2659c0d6a0cbd7b11cf
ripemd-160 d70a298933ce734d9495e8ff26b7fa01564ae782

21931429 as geometric shapes

Circle

Radius = n
Diameter 43862858
Circumference 137799232.45825
Area 1.5110670414563E+15

Sphere

Radius = n
Volume 4.4186479378586E+22
Surface area 6.0442681658253E+15
Circumference 137799232.45825

Square

Length = n
Perimeter 87725716
Area 480987577982041
Diagonal 31015724.334023

Cube

Length = n
Surface area 2885925467892246
Volume 1.0548744916395E+22
Space diagonal 37986349.310589

Equilateral Triangle

Length = n
Perimeter 65794287
Area 2.082737307186E+14
Altitude 18993174.655295

Triangular Pyramid

Length = n
Surface area 2.082737307186E+14
Volume 1.243181510565E+21
Height 10338574.778008