20999931 (number)

20999931 is an odd 8-digits composite number following 20999930 and preceding 20999932. In scientific notation, it is written as 2.0999931 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 13984512 positive integers (up to 20999931) that are relatively prime to 20999931.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0999931 × 10^7
Engineering notation 2.0999931 × 10^6

Prime Factorization of 20999931

Prime Factorization 3 × 1049 × 6673

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20999931
Product of the distinct prime numbers

The prime factorization of 20999931 is 3 × 1049 × 6673. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20999931)

Multiplication

n×y
n×2 41999862
n×3 62999793
n×4 83999724
n×5 104999655

Division

n÷y
n÷2 10499965.5
n÷3 6999977
n÷3 5249982.75
n÷5 4199986.2

Exponentiation

ny
n2 440997102004761
n3 9.2609087132999E+21
n4 1.944784439766E+29
n5 4.0840339044959E+36

Nth Root

y√n
2√n 4582.5681664324
3√n 275.8921154699
4√n 67.694668670675
5√n 29.136915438608

Divisors of 20999931

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20999930
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20999931 can be divided by 8 positive divisors. The sum of these divisors (counting 20999931) is 1, the average is 0.125.

Base conversion 20999931

Base System Value
2 Binary 1010000000110111011111011
3 Ternary 1110111220111020
4 Quaternary 1100012323323
5 Quinary 20333444211
6 Senary 2030033523
8 Octal 120067373
10 Decimal 20999931
12 Duodecimal 70488a3
16 Hexadecimal 1406efb
20 Vigesimal 6b4jgb
36 Base36 ci3nf

Cryptographic Hash Functions

md5 924ab41dfe6fd3a9e09788048903b182
sha1 598a7226fadaac179e0aaaebfa91e7fe89991317
sha256 45349410a9d4216d531cce95238b948d15a7f37ed8d3ad4623956ed443f89850
sha512 2a23dd03c15b96f321d9a2268e212218eec0083ea05f01841cdd8fc5072fe4714c62643af021a19f20e0d6f3cb84977f9d2bcf186b25df4f58053f7e7223d56d
ripemd-160 58dc33aef24396443c2bffd44e58ab9063bf40c9

20999931 as geometric shapes

Circle

Radius = n
Diameter 41999862
Circumference 131946457.91099
Area 1.3854332559125E+15

Sphere

Radius = n
Volume 3.8792003705692E+22
Surface area 5.5417330236502E+15
Circumference 131946457.91099

Square

Length = n
Perimeter 83999724
Area 440997102004761
Diagonal 29698387.229099

Cube

Length = n
Surface area 2645982612028566
Volume 9.2609087132999E+21
Space diagonal 36372947.447441

Equilateral Triangle

Length = n
Perimeter 62999793
Area 1.9095734666572E+14
Altitude 18186473.72372

Triangular Pyramid

Length = n
Surface area 1.9095734666572E+14
Volume 1.0914085585207E+21
Height 9899462.4096997