21751639 (number)

21751639 is an odd 8-digits composite number following 21751638 and preceding 21751640. In scientific notation, it is written as 2.1751639 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 17209584 positive integers (up to 21751639) that are relatively prime to 21751639.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1751639 × 10^7
Engineering notation 2.1751639 × 10^6

Prime Factorization of 21751639

Prime Factorization 91 × 7 × 34147

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21751639
Product of the distinct prime numbers

The prime factorization of 21751639 is 91 × 7 × 34147. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21751639)

Multiplication

n×y
n×2 43503278
n×3 65254917
n×4 87006556
n×5 108758195

Division

n÷y
n÷2 10875819.5
n÷3 7250546.3333333
n÷3 5437909.75
n÷5 4350327.8

Exponentiation

ny
n2 473133799186321
n3 1.0291435598599E+22
n4 2.2385559193248E+29
n5 4.8692260238467E+36

Nth Root

y√n
2√n 4663.8652424786
3√n 279.1455200239
4√n 68.292497702739
5√n 29.342586760155

Divisors of 21751639

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 -21751638
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 21751639 can be divided by 8 positive divisors. The sum of these divisors (counting 21751639) is 1, the average is 0.125.

Base conversion 21751639

Base System Value
2 Binary 1010010111110011101010111
3 Ternary 1111221002122021
4 Quaternary 1102332131113
5 Quinary 21032023024
6 Senary 2054114011
8 Octal 122763527
10 Decimal 21751639
12 Duodecimal 734b907
16 Hexadecimal 14be757
20 Vigesimal 6fij1j
36 Base36 cy7o7

Cryptographic Hash Functions

md5 ef2780c0417c31dd09416bc60d81ba28
sha1 603c5b38f9f0bdea43a799305584d13a03253b22
sha256 51e1cd7173ab5ad1c2b7be5e421b88fb40e0ce53af92fc71a18a179b90a7bb90
sha512 17366ca5d7023d063ebf9dff9f18eee0846a508926bf088a253b25cb7fd66ec8940666319f682d2f4fea266128aee7457ddd3d5be4d90496d3950cfe457e3360
ripemd-160 590bbf19467c1601369dd4e1d03697d0eb6da7ae

21751639 as geometric shapes

Circle

Radius = n
Diameter 43503278
Circumference 136669578.57187
Area 1.4863936676888E+15

Sphere

Radius = n
Volume 4.3108664628603E+22
Surface area 5.9455746707551E+15
Circumference 136669578.57187

Square

Length = n
Perimeter 87006556
Area 473133799186321
Diagonal 30761462.877644

Cube

Length = n
Surface area 2838802795117926
Volume 1.0291435598599E+22
Space diagonal 37674943.895897

Equilateral Triangle

Length = n
Perimeter 65254917
Area 2.048729447422E+14
Altitude 18837471.947948

Triangular Pyramid

Length = n
Surface area 2.048729447422E+14
Volume 1.2128573166524E+21
Height 10253820.959215