21591639 (number)

21591639 is an odd 8-digits composite number following 21591638 and preceding 21591640. In scientific notation, it is written as 2.1591639 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors. There are 14355792 positive integers (up to 21591639) that are relatively prime to 21591639.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1591639 × 10^7
Engineering notation 2.1591639 × 10^6

Prime Factorization of 21591639

Prime Factorization 3 × 3 × 397 × 6043

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 7197213
Product of the distinct prime numbers

The prime factorization of 21591639 is 3 × 3 × 397 × 6043. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 10, 24, 88, 90, 592, 1869, 8581, 78197, 74999, 566381, 669848, 8521670, 9968632, 13976190, 63874097, 817417800, 104168239, 1096576351, 4452211885

Basic calculations (n = 21591639)

Multiplication

n×y
n×2 43183278
n×3 64774917
n×4 86366556
n×5 107958195

Division

n÷y
n÷2 10795819.5
n÷3 7197213
n÷3 5397909.75
n÷5 4318327.8

Exponentiation

ny
n2 466198874706321
n3 1.0065997804865E+22
n4 2.1734139077744E+29
n5 4.6927568494244E+36

Nth Root

y√n
2√n 4646.6804280045
3√n 278.45939174578
4√n 68.166563856516
5√n 29.299291735382

Divisors of 21591639

1, 3, 9, 397, 1191, 3573, 6043, 18129, 54387, 2399071, 7197213, 21591639

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21591638
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21591639 can be divided by 12 positive divisors. The sum of these divisors (counting 21591639) is 1, the average is 0.083333333333333.

Base conversion 21591639

Base System Value
2 Binary 1010010010111011001010111
3 Ternary 1111121222011100
4 Quaternary 1102113121113
5 Quinary 21011413024
6 Senary 2050441143
8 Octal 122273127
10 Decimal 21591639
12 Duodecimal 72931b3
16 Hexadecimal 1497657
20 Vigesimal 6eij1j
36 Base36 cus7r

Cryptographic Hash Functions

md5 5481618f161d380224e8284a72980b21
sha1 fab381790bf31c1833d8ca8ce2a005d29747e30f
sha256 000e4870012729d4e197920257db7a7958ba299eb46392958a0d3f4570bab800
sha512 27d8e864a5bf4c69c690f9b73101072962a558331c35772d2d17a796ec9e4237ab69ea2dbbbde42c6d6a9f858e3720cae99e36afee366dd7343362b1e9a556ba
ripemd-160 172267eb3b5b319c8e5467702426dc24d4a68837

21591639 as geometric shapes

Circle

Radius = n
Diameter 43183278
Circumference 135664268.92273
Area 1.4646069598892E+15

Sphere

Radius = n
Volume 4.216435300642E+22
Surface area 5.8584278395568E+15
Circumference 135664268.92273

Square

Length = n
Perimeter 86366556
Area 466198874706321
Diagonal 30535188.707664

Cube

Length = n
Surface area 2797193248237926
Volume 1.0065997804865E+22
Space diagonal 37397815.766686

Equilateral Triangle

Length = n
Perimeter 64774917
Area 2.018700343557E+14
Altitude 18698907.883343

Triangular Pyramid

Length = n
Surface area 2.018700343557E+14
Volume 1.1862892178715E+21
Height 10178396.235888