21568131 (number)

21568131 is an odd 8-digits composite number following 21568130 and preceding 21568132. In scientific notation, it is written as 2.1568131 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 13106880 positive integers (up to 21568131) that are relatively prime to 21568131.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred sixty-eight thousand one hundred thirty-one

Notation

Scientific notation 2.1568131 × 10^7
Engineering notation 2.1568131 × 10^6

Prime Factorization of 21568131

Prime Factorization 13 × 9 × 83 × 2221

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21568131
Product of the distinct prime numbers

The prime factorization of 21568131 is 13 × 9 × 83 × 2221. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 7, 6, 30, 564, 133, 3151, 9256, 29899, 85462, 167933, 126064, 1132300, 4858617, 53034176, 59807538, 761188086, 35741538, 3830803223, 3290255151

Basic calculations (n = 21568131)

Multiplication

n×y
n×2 43136262
n×3 64704393
n×4 86272524
n×5 107840655

Division

n÷y
n÷2 10784065.5
n÷3 7189377
n÷3 5392032.75
n÷5 4313626.2

Exponentiation

ny
n2 465184274833161
n3 1.0033155378742E+22
n4 2.1639640955205E+29
n5 4.6672661091483E+36

Nth Root

y√n
2√n 4644.1501913698
3√n 278.35829705058
4√n 68.148002108424
5√n 29.292909006346

Divisors of 21568131

1, 9, 13, 83, 117, 747, 1079, 2221, 9711, 19989, 28873, 184343, 259857, 1659087, 2396459, 21568131

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21568130
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21568131 can be divided by 16 positive divisors. The sum of these divisors (counting 21568131) is 1, the average is 0.0625.

Base conversion 21568131

Base System Value
2 Binary 1010010010001101010000011
3 Ternary 1111120202220200
4 Quaternary 1102101222003
5 Quinary 21010140011
6 Senary 2050140243
8 Octal 122215203
10 Decimal 21568131
12 Duodecimal 7281683
16 Hexadecimal 1491a83
20 Vigesimal 6eg06b
36 Base36 cua2r

Cryptographic Hash Functions

md5 3c6336bd2114999c1f14f23c5ea5695d
sha1 2e2dad4cc796eb4e15245c831550fd8e479e08b4
sha256 11f0cd6ea3706fe7207dce1d6bcd62c788fae92043fb696178bce078f5137ea9
sha512 70926593a09d6dcbee6637e92a6a69cf9337dbcfaaec76debcba744522ed0319f00a7dcca4f75aeec98261abf86a06fe48c5505586f4c8cda06237f38fff32d5
ripemd-160 fcecc783d015c066f0eb99d9a35a52960131c1ed

21568131 as geometric shapes

Circle

Radius = n
Diameter 43136262
Circumference 135516563.80252
Area 1.4614195003814E+15

Sphere

Radius = n
Volume 4.2026782973573E+22
Surface area 5.8456780015254E+15
Circumference 135516563.80252

Square

Length = n
Perimeter 86272524
Area 465184274833161
Diagonal 30501943.37524

Cube

Length = n
Surface area 2791105648998966
Volume 1.0033155378742E+22
Space diagonal 37357098.716301

Equilateral Triangle

Length = n
Perimeter 64704393
Area 2.0143069972328E+14
Altitude 18678549.358151

Triangular Pyramid

Length = n
Surface area 2.0143069972328E+14
Volume 1.1824187008344E+21
Height 10167314.458413