21539908 (number)

21539908 is an even 8-digits composite number following 21539907 and preceding 21539909. In scientific notation, it is written as 2.1539908 × 10^7. The sum of its digits is 37. It has a total of 5 prime factors and 24 positive divisors. There are 9909024 positive integers (up to 21539908) that are relatively prime to 21539908.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1539908 × 10^7
Engineering notation 2.1539908 × 10^6

Prime Factorization of 21539908

Prime Factorization 2 × 2 × 13 × 887 × 467

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10769954
Product of the distinct prime numbers

The prime factorization of 21539908 is 2 × 2 × 13 × 887 × 467. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21539908)

Multiplication

n×y
n×2 43079816
n×3 64619724
n×4 86159632
n×5 107699540

Division

n÷y
n÷2 10769954
n÷3 7179969.3333333
n÷3 5384977
n÷5 4307981.6

Exponentiation

ny
n2 463967636648464
n3 9.9938202083853E+21
n4 2.1526596785716E+29
n5 4.6368091431742E+36

Nth Root

y√n
2√n 4641.1106429388
3√n 278.23682870737
4√n 68.125697375798
5√n 29.285238737278

Divisors of 21539908

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21539907
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21539908 can be divided by 24 positive divisors. The sum of these divisors (counting 21539908) is 1, the average is 0.041666666666667.

Base conversion 21539908

Base System Value
2 Binary 1010010001010110001000100
3 Ternary 1111112100012101
4 Quaternary 1102022301010
5 Quinary 21003234113
6 Senary 2045401444
8 Octal 122126104
10 Decimal 21539908
12 Duodecimal 7269284
16 Hexadecimal 148ac44
20 Vigesimal 6ec9f8
36 Base36 ctoas

Cryptographic Hash Functions

md5 95027f22fbbcd5dd42140cce5e40300d
sha1 c489cfd0afb322deb54ec53afcd29d19fdc4a5f1
sha256 0d0ef0de1dd9bd2f8bfab436068a33f0132d19b2f3b62ab29339a56e87b68dbc
sha512 44d74e8e2bff7c0b8869928c19593215808f4dabbe3a9616c461d1bead543eb87241ac439acf6289c899659d271218452db0afb68c8db84340de8f13fb30eb47
ripemd-160 65509fe163160d40d3667303a4f8eb14cf60a6ef

21539908 as geometric shapes

Circle

Radius = n
Diameter 43079816
Circumference 135339233.4636
Area 1.4575973187982E+15

Sphere

Radius = n
Volume 4.1862016197281E+22
Surface area 5.8303892751929E+15
Circumference 135339233.4636

Square

Length = n
Perimeter 86159632
Area 463967636648464
Diagonal 30462030.025869

Cube

Length = n
Surface area 2783805819890784
Volume 9.9938202083853E+21
Space diagonal 37308215.046359

Equilateral Triangle

Length = n
Perimeter 64619724
Area 2.009038799357E+14
Altitude 18654107.52318

Triangular Pyramid

Length = n
Surface area 2.009038799357E+14
Volume 1.1777830065514E+21
Height 10154010.008623