21539929 (number)

21539929 is an odd 8-digits composite number following 21539928 and preceding 21539930. In scientific notation, it is written as 2.1539929 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 21402576 positive integers (up to 21539929) that are relatively prime to 21539929.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1539929 × 10^7
Engineering notation 2.1539929 × 10^6

Prime Factorization of 21539929

Prime Factorization 157 × 137197

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21539929
Product of the distinct prime numbers

The prime factorization of 21539929 is 157 × 137197. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 9, 38, 24, 265, 631, 4718, 4250, 63782, 19624, 83465, 152032, 1559609, 2674249, 80009151, 52916723, 616229920, 346042684, 6211649481, 4953889162

Basic calculations (n = 21539929)

Multiplication

n×y
n×2 43079858
n×3 64619787
n×4 86159716
n×5 107699645

Division

n÷y
n÷2 10769964.5
n÷3 7179976.3333333
n÷3 5384982.25
n÷5 4307985.8

Exponentiation

ny
n2 463968541325041
n3 9.993849438375E+21
n4 2.1526680733929E+29
n5 4.6368317461449E+36

Nth Root

y√n
2√n 4641.1129053278
3√n 278.23691912824
4√n 68.125713980316
5√n 29.285244447514

Divisors of 21539929

1, 157, 137197, 21539929

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 -21539928
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 21539929 can be divided by 4 positive divisors. The sum of these divisors (counting 21539929) is 1, the average is 0.25.

Base conversion 21539929

Base System Value
2 Binary 1010010001010110001011001
3 Ternary 1111112100020011
4 Quaternary 1102022301121
5 Quinary 21003234204
6 Senary 2045401521
8 Octal 122126131
10 Decimal 21539929
12 Duodecimal 72692a1
16 Hexadecimal 148ac59
20 Vigesimal 6ec9g9
36 Base36 ctobd

Cryptographic Hash Functions

md5 f1a85cf7f2b76ae1a8e118c0b98564af
sha1 74d3921871c1bf2528c3c504eb894f4a7b6454ba
sha256 b2af86e72e5512557dbe83889c457c01a832b67fa004ad62fa8b2b432792b19d
sha512 714e487ec3c772a9da35855e5065d63a34f568440856ce2a4412cae9961b6cc52aaa1f94d8ecb21587f703fc3913b8901a0975a726440504639f4d5b63684f61
ripemd-160 e0ab6242776c461d6fa8b9684667cbf038945b18

21539929 as geometric shapes

Circle

Radius = n
Diameter 43079858
Circumference 135339365.41049
Area 1.4576001609235E+15

Sphere

Radius = n
Volume 4.1862138635575E+22
Surface area 5.8304006436941E+15
Circumference 135339365.41049

Square

Length = n
Perimeter 86159716
Area 463968541325041
Diagonal 30462059.724354

Cube

Length = n
Surface area 2783811247950246
Volume 9.993849438375E+21
Space diagonal 37308251.419426

Equilateral Triangle

Length = n
Perimeter 64619787
Area 2.0090427167215E+14
Altitude 18654125.709713

Triangular Pyramid

Length = n
Surface area 2.0090427167215E+14
Volume 1.1777864513387E+21
Height 10154019.908118