20685220 (number)

20685220 is an even 8-digits composite number following 20685219 and preceding 20685221. In scientific notation, it is written as 2.0685220 × 10^7. The sum of its digits is 25. It has a total of 5 prime factors and 24 positive divisors. There are 8050176 positive integers (up to 20685220) that are relatively prime to 20685220.

Interesting facts

Basic properties

Name

Name twenty million six hundred eighty-five thousand two hundred twenty

Notation

Scientific notation 2.0685220 × 10^7
Engineering notation 2.0685220 × 10^6

Prime Factorization of 20685220

Prime Factorization 2 × 2 × 5 × 37 × 27953

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10342610
Product of the distinct prime numbers

The prime factorization of 20685220 is 2 × 2 × 5 × 37 × 27953. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 4, 95, 58, 262, 116, 5627, 8639, 23166, 5718, 936788, 170600, 504005, 5885549, 11112547, 48266578, 662751037, 944810638, 6468836096, 7562392370

Basic calculations (n = 20685220)

Multiplication

n×y
n×2 41370440
n×3 62055660
n×4 82740880
n×5 103426100

Division

n÷y
n÷2 10342610
n÷3 6895073.3333333
n÷3 5171305
n÷5 4137044

Exponentiation

ny
n2 427878326448400
n3 8.850757315817E+21
n4 1.8307986224428E+29
n5 3.7870472280927E+36

Nth Root

y√n
2√n 4548.1007024911
3√n 274.50697336751
4√n 67.439607816854
5√n 29.049056338033

Divisors of 20685220

1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 27953, 55906, 111812, 139765, 279530, 559060, 1034261, 2068522, 4137044, 5171305, 10342610, 20685220

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 -20685219
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 20685220 can be divided by 24 positive divisors. The sum of these divisors (counting 20685220) is 1, the average is 0.041666666666667.

Base conversion 20685220

Base System Value
2 Binary 1001110111010000110100100
3 Ternary 1102220220210021
4 Quaternary 1032322012210
5 Quinary 20243411340
6 Senary 2015204524
8 Octal 116720644
10 Decimal 20685220
12 Duodecimal 6b16744
16 Hexadecimal 13ba1a4
20 Vigesimal 695d10
36 Base36 cbctg

Cryptographic Hash Functions

md5 01d2295e5dce95344c6c86ed51d03d7c
sha1 2cd9b5b6c72e278e06a33232711952f88aeaa29a
sha256 99a3ad086cbf70c8a7e6df7a7e3404bb2eec7a91465829564671d327f4c1cfe5
sha512 95d8ea1a580d01945bcb49ec77cfc060e5a4c50375af8b915bcabd457087fe350a567fb361bdf33b8f40caa37e99fb64abf1a56da466c2e4e066f154d1b93e5e
ripemd-160 794088a220ff88f19adf8e44a2f91f396eb17524

20685220 as geometric shapes

Circle

Radius = n
Diameter 41370440
Circumference 129969070.37978
Area 1.3442194070006E+15

Sphere

Radius = n
Volume 3.7073965549436E+22
Surface area 5.3768776280024E+15
Circumference 129969070.37978

Square

Length = n
Perimeter 82740880
Area 427878326448400
Diagonal 29253318.664671

Cube

Length = n
Surface area 2567269958690400
Volume 8.850757315817E+21
Space diagonal 35827852.00574

Equilateral Triangle

Length = n
Perimeter 62055660
Area 1.8527675021654E+14
Altitude 17913926.00287

Triangular Pyramid

Length = n
Surface area 1.8527675021654E+14
Volume 1.0430717527751E+21
Height 9751106.2215571