21132831 (number)

21132831 is an odd 8-digits composite number following 21132830 and preceding 21132832. In scientific notation, it is written as 2.1132831 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 14065920 positive integers (up to 21132831) that are relatively prime to 21132831.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1132831 × 10^7
Engineering notation 2.1132831 × 10^6

Prime Factorization of 21132831

Prime Factorization 3 × 661 × 10657

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21132831
Product of the distinct prime numbers

The prime factorization of 21132831 is 3 × 661 × 10657. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 6, 93, 93, 398, 766, 7642, 504, 97199, 37802, 667603, 176077, 9993872, 9950787, 89279961, 33061323, 923476817, 164935506, 1946818171, 4884040759

Basic calculations (n = 21132831)

Multiplication

n×y
n×2 42265662
n×3 63398493
n×4 84531324
n×5 105664155

Division

n÷y
n÷2 10566415.5
n÷3 7044277
n÷3 5283207.75
n÷5 4226566.2

Exponentiation

ny
n2 446596546074561
n3 9.4378493333774E+21
n4 1.9944847496573E+29
n5 4.2149109146584E+36

Nth Root

y√n
2√n 4597.0458992705
3√n 276.47289491414
4√n 67.801518414196
5√n 29.17370156563

Divisors of 21132831

1, 3, 661, 1983, 10657, 31971, 7044277, 21132831

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 -21132830
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 21132831 can be divided by 8 positive divisors. The sum of these divisors (counting 21132831) is 1, the average is 0.125.

Base conversion 21132831

Base System Value
2 Binary 1010000100111011000011111
3 Ternary 1110202122210110
4 Quaternary 1100213120133
5 Quinary 20402222311
6 Senary 2032541103
8 Octal 120473037
10 Decimal 21132831
12 Duodecimal 70b1793
16 Hexadecimal 142761f
20 Vigesimal 6c1c1b
36 Base36 cky73

Cryptographic Hash Functions

md5 bbfc294d1b93335d79b11d9006b09118
sha1 b1fb90eadfb2d77b233770b18ac71d215cce1681
sha256 664c649f0eaa17619792aecb60df82ee574cddd464a848e31465fb8a9fb54178
sha512 f35d21f1bdcf7f54423d93d053c1a38348c1db3e93b0444afc6444b89c43faa1be74c344be5a3d70f71b832c30298a1b0b74d27f51413c707e8dc15b11ec570c
ripemd-160 b42c803b14973e358e7700f6409a9564d3bccbf2

21132831 as geometric shapes

Circle

Radius = n
Diameter 42265662
Circumference 132781493.23831
Area 1.4030244282664E+15

Sphere

Radius = n
Volume 3.9533170841901E+22
Surface area 5.6120977130657E+15
Circumference 132781493.23831

Square

Length = n
Perimeter 84531324
Area 446596546074561
Diagonal 29886336.211539

Cube

Length = n
Surface area 2679579276447366
Volume 9.4378493333774E+21
Space diagonal 36603136.999767

Equilateral Triangle

Length = n
Perimeter 63398493
Area 1.9338197707148E+14
Altitude 18301568.499883

Triangular Pyramid

Length = n
Surface area 1.9338197707148E+14
Volume 1.1122612105747E+21
Height 9962112.0705129