20989831 (number)

20989831 is an odd 8-digits composite number following 20989830 and preceding 20989832. In scientific notation, it is written as 2.0989831 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 20932272 positive integers (up to 20989831) that are relatively prime to 20989831.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0989831 × 10^7
Engineering notation 2.0989831 × 10^6

Prime Factorization of 20989831

Prime Factorization 367 × 57193

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20989831
Product of the distinct prime numbers

The prime factorization of 20989831 is 367 × 57193. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20989831)

Multiplication

n×y
n×2 41979662
n×3 62969493
n×4 83959324
n×5 104949155

Division

n÷y
n÷2 10494915.5
n÷3 6996610.3333333
n÷3 5247457.75
n÷5 4197966.2

Exponentiation

ny
n2 440573005408561
n3 9.2475529266878E+21
n4 1.9410457309473E+29
n5 4.0742221855856E+36

Nth Root

y√n
2√n 4581.4660317414
3√n 275.84787790846
4√n 67.686527697477
5√n 29.134112196285

Divisors of 20989831

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 -20989830
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 20989831 can be divided by 4 positive divisors. The sum of these divisors (counting 20989831) is 1, the average is 0.25.

Base conversion 20989831

Base System Value
2 Binary 1010000000100011110000111
3 Ternary 1110111101122011
4 Quaternary 1100010132013
5 Quinary 20333133311
6 Senary 2025515051
8 Octal 120043607
10 Decimal 20989831
12 Duodecimal 7042a87
16 Hexadecimal 1404787
20 Vigesimal 6b3ebb
36 Base36 chvuv

Cryptographic Hash Functions

md5 fa6d52c155b5b14620639c63ad885090
sha1 48af720ae2072ef5d53d62bf4006fd911b479768
sha256 e21c65b3a6bbc72213df0539ca02bb8e10da186b99ec5bb05d5df82e15c8b170
sha512 ceb3cea7392a0d0b1a42b6d201ccdc2fca0f341d861333fc830b9a03c7931d33e50b7799a5bf906e571cb1b6585eb941389a214e7b51614178aaf2156aa7a4c5
ripemd-160 0db36afa7e938150d8c656ff191cddae120f6f6c

20989831 as geometric shapes

Circle

Radius = n
Diameter 41979662
Circumference 131882997.73938
Area 1.3841009171615E+15

Sphere

Radius = n
Volume 3.8736059117553E+22
Surface area 5.536403668646E+15
Circumference 131882997.73938

Square

Length = n
Perimeter 83959324
Area 440573005408561
Diagonal 29684103.672119

Cube

Length = n
Surface area 2643438032451366
Volume 9.2475529266878E+21
Space diagonal 36355453.734284

Equilateral Triangle

Length = n
Perimeter 62969493
Area 1.9077370745274E+14
Altitude 18177726.867142

Triangular Pyramid

Length = n
Surface area 1.9077370745274E+14
Volume 1.0898345639737E+21
Height 9894701.2240397