21132787 (number)

21132787 is an odd 8-digits composite number following 21132786 and preceding 21132788. In scientific notation, it is written as 2.1132787 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 19385568 positive integers (up to 21132787) that are relatively prime to 21132787.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred thirty-two thousand seven hundred eighty-seven

Notation

Scientific notation 2.1132787 × 10^7
Engineering notation 2.1132787 × 10^6

Prime Factorization of 21132787

Prime Factorization 13 × 163 × 9973

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21132787
Product of the distinct prime numbers

The prime factorization of 21132787 is 13 × 163 × 9973. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21132787)

Multiplication

n×y
n×2 42265574
n×3 63398361
n×4 84531148
n×5 105663935

Division

n÷y
n÷2 10566393.5
n÷3 7044262.3333333
n÷3 5283196.75
n÷5 4226557.4

Exponentiation

ny
n2 446594686387369
n3 9.4377903827561E+21
n4 1.9944681390943E+29
n5 4.2148670361767E+36

Nth Root

y√n
2√n 4597.041113586
3√n 276.47270303551
4√n 67.801483122318
5√n 29.173689417292

Divisors of 21132787

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 -21132786
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 21132787 can be divided by 8 positive divisors. The sum of these divisors (counting 21132787) is 1, the average is 0.125.

Base conversion 21132787

Base System Value
2 Binary 1010000100111010111110011
3 Ternary 1110202122201211
4 Quaternary 1100213113303
5 Quinary 20402222122
6 Senary 2032540551
8 Octal 120472763
10 Decimal 21132787
12 Duodecimal 70b1757
16 Hexadecimal 14275f3
20 Vigesimal 6c1bj7
36 Base36 cky5v

Cryptographic Hash Functions

md5 a369ee9d6774af6c2d3cdfeabe2511ea
sha1 c8bcfb56e22af807888909576f08e43d0fc9224f
sha256 e5f3143b22cfd819c13f1d715257d14bdb8bc9262bc94540da1e18b187c72351
sha512 d61b317db7c5d791359a85b96af502ec4f88a3a3531c1c62fc2a6f855fec4de4a8904667d0568991ee3b1bfeb12ce484a260edb2666e17d4c0aceae5f3d06ec2
ripemd-160 f536c397e75108fcd34df2fea814af5a29d6632a

21132787 as geometric shapes

Circle

Radius = n
Diameter 42265574
Circumference 132781216.77816
Area 1.4030185858868E+15

Sphere

Radius = n
Volume 3.9532923910116E+22
Surface area 5.6120743435472E+15
Circumference 132781216.77816

Square

Length = n
Perimeter 84531148
Area 446594686387369
Diagonal 29886273.986142

Cube

Length = n
Surface area 2679568118324214
Volume 9.4377903827561E+21
Space diagonal 36603060.789531

Equilateral Triangle

Length = n
Perimeter 63398361
Area 1.933811718033E+14
Altitude 18301530.394766

Triangular Pyramid

Length = n
Surface area 1.933811718033E+14
Volume 1.1122542631773E+21
Height 9962091.3287139