21131631 (number)

21131631 is an odd 8-digits composite number following 21131630 and preceding 21131632. In scientific notation, it is written as 2.1131631 × 10^7. The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors. There are 13908024 positive integers (up to 21131631) that are relatively prime to 21131631.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1131631 × 10^7
Engineering notation 2.1131631 × 10^6

Prime Factorization of 21131631

Prime Factorization 27 × 79 × 9907

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21131631
Product of the distinct prime numbers

The prime factorization of 21131631 is 27 × 79 × 9907. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21131631)

Multiplication

n×y
n×2 42263262
n×3 63394893
n×4 84526524
n×5 105658155

Division

n÷y
n÷2 10565815.5
n÷3 7043877
n÷3 5282907.75
n÷5 4226326.2

Exponentiation

ny
n2 446545828720161
n3 9.4362416771036E+21
n4 1.9940317714738E+29
n5 4.213714359706E+36

Nth Root

y√n
2√n 4596.9153788165
3√n 276.46766176524
4√n 67.800555888699
5√n 29.173370240054

Divisors of 21131631

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 -21131630
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 21131631 can be divided by 8 positive divisors. The sum of these divisors (counting 21131631) is 1, the average is 0.125.

Base conversion 21131631

Base System Value
2 Binary 1010000100111000101101111
3 Ternary 1110202121011000
4 Quaternary 1100213011233
5 Quinary 20402203011
6 Senary 2032531343
8 Octal 120470557
10 Decimal 21131631
12 Duodecimal 70b0b53
16 Hexadecimal 142716f
20 Vigesimal 6c191b
36 Base36 ckx9r

Cryptographic Hash Functions

md5 c613a459c101893156f2b5787cee0268
sha1 660f3838f93cc0aa60f70c4be4b3931663b7e380
sha256 706b7b8ae79c2c68a6a53e1e525c98d097efb894a8a861f3402fd3d9bf5da96b
sha512 aaebcd98ef3f1f6fe64a45b4472db1deb9b327286027b68ecad9b6924ca54aa56e42a43d1c26699c91edbad19de9cc0d27b3a7bc4f626e6a4c74b214fcbc3edc
ripemd-160 8f7ad4e62b71ffabeb65938e2d165ac858bd8264

21131631 as geometric shapes

Circle

Radius = n
Diameter 42263262
Circumference 132773953.41594
Area 1.4028650949984E+15

Sphere

Radius = n
Volume 3.9526436707049E+22
Surface area 5.6114603799937E+15
Circumference 132773953.41594

Square

Length = n
Perimeter 84526524
Area 446545828720161
Diagonal 29884639.155264

Cube

Length = n
Surface area 2679274972320966
Volume 9.4362416771036E+21
Space diagonal 36601058.538798

Equilateral Triangle

Length = n
Perimeter 63394893
Area 1.9336001581282E+14
Altitude 18300529.269399

Triangular Pyramid

Length = n
Surface area 1.9336001581282E+14
Volume 1.1120717464659E+21
Height 9961546.3850879