21131756 (number)

21131756 is an even 8-digits composite number following 21131755 and preceding 21131757. In scientific notation, it is written as 2.1131756 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 12 positive divisors. There are 10106448 positive integers (up to 21131756) that are relatively prime to 21131756.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1131756 × 10^7
Engineering notation 2.1131756 × 10^6

Prime Factorization of 21131756

Prime Factorization 2 × 2 × 23 × 229693

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10565878
Product of the distinct prime numbers

The prime factorization of 21131756 is 2 × 2 × 23 × 229693. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 6, 85, 8, 745, 254, 5837, 8565, 8370, 58200, 637109, 951573, 9197826, 1905948, 66115109, 75046601, 842726594, 732820829, 5625873478, 1608264363

Basic calculations (n = 21131756)

Multiplication

n×y
n×2 42263512
n×3 63395268
n×4 84527024
n×5 105658780

Division

n÷y
n÷2 10565878
n÷3 7043918.6666667
n÷3 5282939
n÷5 4226351.2

Exponentiation

ny
n2 446551111643536
n3 9.43640913278E+21
n4 1.9940789531008E+29
n5 4.2138389881661E+36

Nth Root

y√n
2√n 4596.9289748701
3√n 276.46820689416
4√n 67.800656153684
5√n 29.173404753837

Divisors of 21131756

1, 2, 4, 23, 46, 92, 229693, 459386, 918772, 5282939, 10565878, 21131756

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21131755
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21131756 can be divided by 12 positive divisors. The sum of these divisors (counting 21131756) is 1, the average is 0.083333333333333.

Base conversion 21131756

Base System Value
2 Binary 1010000100111000111101100
3 Ternary 1110202121022122
4 Quaternary 1100213013230
5 Quinary 20402204011
6 Senary 2032532112
8 Octal 120470754
10 Decimal 21131756
12 Duodecimal 70b1038
16 Hexadecimal 14271ec
20 Vigesimal 6c197g
36 Base36 ckxd8

Cryptographic Hash Functions

md5 58263922e4f24eb9554031642112ecac
sha1 df018fa0984c78a78a7169601134e1f310c159a4
sha256 a694cf07480064953ffb17390a29923e155e39891146ae8728c11d884af69eda
sha512 25f06535d151743097a0a3be612b76e8f2c3eff914988ce1efc35a38c2364e60e844b84c8b5a319c764db3866bed15ce464f7c182e2415de346c981f5bb01706
ripemd-160 7b68009345543f56f2bfe8a44063286da3a7bb5a

21131756 as geometric shapes

Circle

Radius = n
Diameter 42263512
Circumference 132774738.8141
Area 1.4028816917917E+15

Sphere

Radius = n
Volume 3.9527138143746E+22
Surface area 5.6115267671668E+15
Circumference 132774738.8141

Square

Length = n
Perimeter 84527024
Area 446551111643536
Diagonal 29884815.931959

Cube

Length = n
Surface area 2679306669861216
Volume 9.43640913278E+21
Space diagonal 36601275.045148

Equilateral Triangle

Length = n
Perimeter 63395268
Area 1.9336230338574E+14
Altitude 18300637.522574

Triangular Pyramid

Length = n
Surface area 1.9336230338574E+14
Volume 1.1120914813066E+21
Height 9961605.310653