21371856 (number)

21371856 is an even 8-digits composite number following 21371855 and preceding 21371857. In scientific notation, it is written as 2.1371856 × 10^7. The sum of its digits is 33. It has a total of 8 prime factors and 80 positive divisors. There are 6092800 positive integers (up to 21371856) that are relatively prime to 21371856.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred seventy-one thousand eight hundred fifty-six

Notation

Scientific notation 2.1371856 × 10^7
Engineering notation 2.1371856 × 10^6

Prime Factorization of 21371856

Prime Factorization 2 × 2 × 2 × 2 × 3 × 17 × 11 × 2381

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 2671482
Product of the distinct prime numbers

The prime factorization of 21371856 is 2 × 2 × 2 × 2 × 3 × 17 × 11 × 2381. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21371856)

Multiplication

n×y
n×2 42743712
n×3 64115568
n×4 85487424
n×5 106859280

Division

n÷y
n÷2 10685928
n÷3 7123952
n÷3 5342964
n÷5 4274371.2

Exponentiation

ny
n2 456756228884736
n3 9.7617283508276E+21
n4 2.0862625262501E+29
n5 4.4587302289212E+36

Nth Root

y√n
2√n 4622.9704736241
3√n 277.51134764082
4√n 67.992429531707
5√n 29.239399415641

Divisors of 21371856

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21371855
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21371856 can be divided by 80 positive divisors. The sum of these divisors (counting 21371856) is 1, the average is 0.0125.

Base conversion 21371856

Base System Value
2 Binary 1010001100001101111010000
3 Ternary 1111012210200020
4 Quaternary 1101201233100
5 Quinary 20432344411
6 Senary 2042023440
8 Octal 121415720
10 Decimal 21371856
12 Duodecimal 71a7b80
16 Hexadecimal 1461bd0
20 Vigesimal 6db9cg
36 Base36 cq2mo

Cryptographic Hash Functions

md5 1b2f851e515d53d20dc9c0377e7dfea9
sha1 5360a592b3f4d7416817e51113adf67ac64a234c
sha256 15226195cb7bdb57a5020873b0ac0db3c91c3507c2f183d09a3760befa7c0ffa
sha512 fd872b4e0a9e7f52d322e13c1436a1a713df7e1b4961158992a903e30c5b66398a9e1911242c2f316f52c6194eaf9a0e65c23d205ad2cdb6dac5f9d2e3da7e26
ripemd-160 7be7ad42db29cdda624e411ec505f93478cd2fc7

21371856 as geometric shapes

Circle

Radius = n
Diameter 42743712
Circumference 134283331.60636
Area 1.4349420131457E+15

Sphere

Radius = n
Volume 4.0889832097732E+22
Surface area 5.7397680525827E+15
Circumference 134283331.60636

Square

Length = n
Perimeter 85487424
Area 456756228884736
Diagonal 30224368.608285

Cube

Length = n
Surface area 2740537373308416
Volume 9.7617283508276E+21
Space diagonal 37017140.444046

Equilateral Triangle

Length = n
Perimeter 64115568
Area 1.9778124877548E+14
Altitude 18508570.222023

Triangular Pyramid

Length = n
Surface area 1.9778124877548E+14
Volume 1.1504307188285E+21
Height 10074789.536095