20831388 (number)

20831388 is an even 8-digits composite number following 20831387 and preceding 20831389. In scientific notation, it is written as 2.0831388 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors. There are 6898944 positive integers (up to 20831388) that are relatively prime to 20831388.

Interesting facts

Basic properties

Name

Name twenty million eight hundred thirty-one thousand three hundred eighty-eight

Notation

Scientific notation 2.0831388 × 10^7
Engineering notation 2.0831388 × 10^6

Prime Factorization of 20831388

Prime Factorization 2 × 2 × 157 × 3 × 11057

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10415694
Product of the distinct prime numbers

The prime factorization of 20831388 is 2 × 2 × 157 × 3 × 11057. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 5, 18, 53, 379, 124, 8128, 4362, 48133, 25842, 633321, 477558, 7386181, 631035, 918617, 98778998, 921017557, 692252923, 6665399843, 7578165933

Basic calculations (n = 20831388)

Multiplication

n×y
n×2 41662776
n×3 62494164
n×4 83325552
n×5 104156940

Division

n÷y
n÷2 10415694
n÷3 6943796
n÷3 5207847
n÷5 4166277.6

Exponentiation

ny
n2 433946726006544
n3 9.039712620772E+21
n4 1.883097610118E+29
n5 3.922753695824E+36

Nth Root

y√n
2√n 4564.1415403118
3√n 275.15203934244
4√n 67.558430564304
5√n 29.089994665727

Divisors of 20831388

1, 2, 3, 4, 6, 12, 157, 314, 471, 628, 942, 1884, 11057, 22114, 33171, 44228, 66342, 132684, 1735949, 3471898, 5207847, 6943796, 10415694, 20831388

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 -20831387
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 20831388 can be divided by 24 positive divisors. The sum of these divisors (counting 20831388) is 1, the average is 0.041666666666667.

Base conversion 20831388

Base System Value
2 Binary 1001111011101110010011100
3 Ternary 1110012100021220
4 Quaternary 1033131302130
5 Quinary 20313101023
6 Senary 2022253340
8 Octal 117356234
10 Decimal 20831388
12 Duodecimal 6b87250
16 Hexadecimal 13ddc9c
20 Vigesimal 6a3i98
36 Base36 cehlo

Cryptographic Hash Functions

md5 40b7500856d6fa09c8ebcc9cdeeb2673
sha1 d76204192251302f3a53f3efaf1f320f5b4eddf1
sha256 1d49986b661663a2e2f4df496b700355bbf1edd487d68994ee150fb8963a077b
sha512 d3800731933da1ca290ee0dacba472f9263d1be9fbb8128600478a543bb12cd542617626bdc9e1bab5646e2ad16f98dc938675a022857df7cdee4921018f96d8
ripemd-160 2e84b7d4355b73b2d4ba14954132d6870eeacc0a

20831388 as geometric shapes

Circle

Radius = n
Diameter 41662776
Circumference 130887471.00976
Area 1.3632838464715E+15

Sphere

Radius = n
Volume 3.7865459679974E+22
Surface area 5.453135385886E+15
Circumference 130887471.00976

Square

Length = n
Perimeter 83325552
Area 433946726006544
Diagonal 29460031.432656

Cube

Length = n
Surface area 2603680356039264
Volume 9.039712620772E+21
Space diagonal 36081022.408181

Equilateral Triangle

Length = n
Perimeter 62494164
Area 1.8790444430538E+14
Altitude 18040511.20409

Triangular Pyramid

Length = n
Surface area 1.8790444430538E+14
Volume 1.0653403490209E+21
Height 9820010.477552