21131131 (number)

21131131 is an odd 8-digits composite number following 21131130 and preceding 21131132. In scientific notation, it is written as 2.1131131 × 10^7. The sum of its digits is 13. It has a total of 2 prime factors and 4 positive divisors. There are 18112392 positive integers (up to 21131131) that are relatively prime to 21131131.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1131131 × 10^7
Engineering notation 2.1131131 × 10^6

Prime Factorization of 21131131

Prime Factorization 7 × 3018733

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21131131
Product of the distinct prime numbers

The prime factorization of 21131131 is 7 × 3018733. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21131131)

Multiplication

n×y
n×2 42262262
n×3 63393393
n×4 84524524
n×5 105655655

Division

n÷y
n÷2 10565565.5
n÷3 7043710.3333333
n÷3 5282782.75
n÷5 4226226.2

Exponentiation

ny
n2 446524697339161
n3 9.4355718742092E+21
n4 1.9938430533383E+29
n5 4.2132158753531E+36

Nth Root

y√n
2√n 4596.8609942003
3√n 276.46548122806
4√n 67.800154824309
5√n 29.173232183288

Divisors of 21131131

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 -21131130
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 21131131 can be divided by 4 positive divisors. The sum of these divisors (counting 21131131) is 1, the average is 0.25.

Base conversion 21131131

Base System Value
2 Binary 1010000100110111101111011
3 Ternary 1110202120110111
4 Quaternary 1100212331323
5 Quinary 20402144011
6 Senary 2032525151
8 Octal 120467573
10 Decimal 21131131
12 Duodecimal 70b07b7
16 Hexadecimal 1426f7b
20 Vigesimal 6c17gb
36 Base36 ckwvv

Cryptographic Hash Functions

md5 aacd2b98c9152035ee4ddc905585cf54
sha1 f55346d284eaa0e1bc256886e77b848e9eae9324
sha256 a038fda9265136da5d2860f5bfcaf6281dbf8f857a77a558bb044fd4f9c1d06b
sha512 c2af34dc23c62dadbc8453bb1dbe63a2e85250325bd10c492e4a438e41c519e9110016597324430f4933ad4e96bd5dfde24cda9f037ffc90c42090d723b8f80a
ripemd-160 fc9eba0340e7d2934897032bc376e1f9cd8bbd23

21131131 as geometric shapes

Circle

Radius = n
Diameter 42262262
Circumference 132770811.82329
Area 1.4027987088071E+15

Sphere

Radius = n
Volume 3.9523631043245E+22
Surface area 5.6111948352285E+15
Circumference 132770811.82329

Square

Length = n
Perimeter 84524524
Area 446524697339161
Diagonal 29883932.048483

Cube

Length = n
Surface area 2679148184034966
Volume 9.4355718742092E+21
Space diagonal 36600192.513394

Equilateral Triangle

Length = n
Perimeter 63393393
Area 1.9335086565644E+14
Altitude 18300096.256697

Triangular Pyramid

Length = n
Surface area 1.9335086565644E+14
Volume 1.1119928094377E+21
Height 9961310.6828275