20821608 (number)

20821608 is an even 8-digits composite number following 20821607 and preceding 20821609. In scientific notation, it is written as 2.0821608 × 10^7. The sum of its digits is 27. It has a total of 6 prime factors and 24 positive divisors. There are 6940512 positive integers (up to 20821608) that are relatively prime to 20821608.

Interesting facts

Basic properties

Name

Name twenty million eight hundred twenty-one thousand six hundred eight

Notation

Scientific notation 2.0821608 × 10^7
Engineering notation 2.0821608 × 10^6

Prime Factorization of 20821608

Prime Factorization 2 × 2 × 2 × 3 × 3 × 289189

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 1735134
Product of the distinct prime numbers

The prime factorization of 20821608 is 2 × 2 × 2 × 3 × 3 × 289189. Since it has a total of 6 prime factors.

Most popular turbo-numbers

10, 3, 62, 86, 106, 991, 2393, 8954, 5330, 73194, 480305, 690636, 1344751, 3852492, 23054436, 58632390, 455196063, 615162940, 1546041028, 3603887278

Basic calculations (n = 20821608)

Multiplication

n×y
n×2 41643216
n×3 62464824
n×4 83286432
n×5 104108040

Division

n÷y
n÷2 10410804
n÷3 6940536
n÷3 5205402
n÷5 4164321.6

Exponentiation

ny
n2 433539359705664
n3 9.0269866003623E+21
n4 1.87956376414E+29
n5 3.9135539907927E+36

Nth Root

y√n
2√n 4563.0700191866
3√n 275.10897279019
4√n 67.550499770073
5√n 29.087262696161

Divisors of 20821608

1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 289189, 578378, 867567, 1156756, 1735134, 2313512, 2602701, 3470268, 5205402, 6940536, 10410804, 20821608

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 -20821607
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 20821608 can be divided by 24 positive divisors. The sum of these divisors (counting 20821608) is 1, the average is 0.041666666666667.

Base conversion 20821608

Base System Value
2 Binary 1001111011011011001101000
3 Ternary 1110011211212200
4 Quaternary 1033123121220
5 Quinary 20312242413
6 Senary 2022140200
8 Octal 117333150
10 Decimal 20821608
12 Duodecimal 6b81660
16 Hexadecimal 13db668
20 Vigesimal 6a2e08
36 Base36 cea20

Cryptographic Hash Functions

md5 5b044924d1ba144e90680ebe846f8e3e
sha1 8b6e7548626f8a22e669267b84ceb3b572a1d9c8
sha256 27db0196330f2fd15700ef3fd0982055abb69c2c85ce4d13103669815d2808fa
sha512 6a493bd5a31acb6f58abb3661b1a1994e51a8ddf0b4526d0aba0201a73d833e603f06147dd5765dbcde1d7832faaee0f9ffd908c475b338e5c2246a7b1db6662
ripemd-160 77f40e05d5774399fc974ac4f63e5e545b5cf54f

20821608 as geometric shapes

Circle

Radius = n
Diameter 41643216
Circumference 130826021.45745
Area 1.3620040674933E+15

Sphere

Radius = n
Volume 3.7812153050336E+22
Surface area 5.4480162699733E+15
Circumference 130826021.45745

Square

Length = n
Perimeter 83286432
Area 433539359705664
Diagonal 29446200.424016

Cube

Length = n
Surface area 2601236158233984
Volume 9.0269866003623E+21
Space diagonal 36064082.951283

Equilateral Triangle

Length = n
Perimeter 62464824
Area 1.8772804952277E+14
Altitude 18032041.475641

Triangular Pyramid

Length = n
Surface area 1.8772804952277E+14
Volume 1.0638405731327E+21
Height 9815400.1413387