21931131 (number)

21931131 is an odd 8-digits composite number following 21931130 and preceding 21931132. In scientific notation, it is written as 2.1931131 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 14599592 positive integers (up to 21931131) that are relatively prime to 21931131.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1931131 × 10^7
Engineering notation 2.1931131 × 10^6

Prime Factorization of 21931131

Prime Factorization 3 × 743 × 9839

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21931131
Product of the distinct prime numbers

The prime factorization of 21931131 is 3 × 743 × 9839. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21931131)

Multiplication

n×y
n×2 43862262
n×3 65793393
n×4 87724524
n×5 109655655

Division

n÷y
n÷2 10965565.5
n÷3 7310377
n÷3 5482782.75
n÷5 4386226.2

Exponentiation

ny
n2 480974506939161
n3 1.0548314919343E+22
n4 2.3133647632537E+29
n5 5.0734705673701E+36

Nth Root

y√n
2√n 4683.0685453023
3√n 279.91124312654
4√n 68.432949266434
5√n 29.390854027601

Divisors of 21931131

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 -21931130
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 21931131 can be divided by 8 positive divisors. The sum of these divisors (counting 21931131) is 1, the average is 0.125.

Base conversion 21931131

Base System Value
2 Binary 1010011101010010001111011
3 Ternary 1112021012212010
4 Quaternary 1103222101323
5 Quinary 21103244011
6 Senary 2102021003
8 Octal 123522173
10 Decimal 21931131
12 Duodecimal 7417763
16 Hexadecimal 14ea47b
20 Vigesimal 6h17gb
36 Base36 d2263

Cryptographic Hash Functions

md5 7c115626a8d1f799e4b95d46d916f4db
sha1 82c0ac9648ada1b1737f9dd514fe0422123ee7e5
sha256 ee13150a4e8ab449fa4218bf547f166f452cdb010e2251aae6b1b100d598a27c
sha512 5d960d6a458e5d2c04bb62a907e9a8c4a99adbee0c1bebee0986f20fd54d236b8714e6a0e892752a4e712d950cc7fb0b3460fa4ed658419943692e55a6d8c465
ripemd-160 4fa5d601813a39af118c6e139de1da7872eb7d91

21931131 as geometric shapes

Circle

Radius = n
Diameter 43862262
Circumference 137797360.06903
Area 1.511025977564E+15

Sphere

Radius = n
Volume 4.4184678211147E+22
Surface area 6.0441039102562E+15
Circumference 137797360.06903

Square

Length = n
Perimeter 87724524
Area 480974506939161
Diagonal 31015302.898381

Cube

Length = n
Surface area 2885847041634966
Volume 1.0548314919343E+22
Space diagonal 37985833.159449

Equilateral Triangle

Length = n
Perimeter 65793393
Area 2.08268070791E+14
Altitude 18992916.579724

Triangular Pyramid

Length = n
Surface area 2.08268070791E+14
Volume 1.2431308349265E+21
Height 10338434.29946