21031824 (number)

21031824 is an even 8-digits composite number following 21031823 and preceding 21031825. In scientific notation, it is written as 2.1031824 × 10^7. The sum of its digits is 21. It has a total of 8 prime factors and 80 positive divisors. There are 6259200 positive integers (up to 21031824) that are relatively prime to 21031824.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1031824 × 10^7
Engineering notation 2.1031824 × 10^6

Prime Factorization of 21031824

Prime Factorization 2 × 2 × 2 × 2 × 3 × 11 × 61 × 653

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 2628978
Product of the distinct prime numbers

The prime factorization of 21031824 is 2 × 2 × 2 × 2 × 3 × 11 × 61 × 653. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21031824)

Multiplication

n×y
n×2 42063648
n×3 63095472
n×4 84127296
n×5 105159120

Division

n÷y
n÷2 10515912
n÷3 7010608
n÷3 5257956
n÷5 4206364.8

Exponentiation

ny
n2 442337620766976
n3 9.3031669885498E+21
n4 1.9566257074579E+29
n5 4.115140751313E+36

Nth Root

y√n
2√n 4586.0466635219
3√n 276.03171238215
4√n 67.720356345207
5√n 29.145760226162

Divisors of 21031824

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 -21031823
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 21031824 can be divided by 80 positive divisors. The sum of these divisors (counting 21031824) is 1, the average is 0.0125.

Base conversion 21031824

Base System Value
2 Binary 1010000001110101110010000
3 Ternary 1110120112020110
4 Quaternary 1100032232100
5 Quinary 20341004244
6 Senary 2030441320
8 Octal 120165620
10 Decimal 21031824
12 Duodecimal 7063240
16 Hexadecimal 140eb90
20 Vigesimal 6b8jb4
36 Base36 cis9c

Cryptographic Hash Functions

md5 7bedf03a0c1d3ffe1d07db13cc875502
sha1 4519cd477e7a1cede399548210028f75ffb69631
sha256 169084aa9708c34fcb1a1720a70d2f11aa8cb67d4ce94e5a0d9596a6eacf1c1d
sha512 a26110af3a47b49e3ea87abe289319329e44a0cd297cdbdbd474aeb0945333612ef694bba4ddf22cf1be073f1293bfa0ab819375d90a9e2fed1078bc46bbd60c
ripemd-160 9116afc75b2fe434c0e59311ad5de3cc95c222b7

21031824 as geometric shapes

Circle

Radius = n
Diameter 42063648
Circumference 132146847.53999
Area 1.3896446198079E+15

Sphere

Radius = n
Volume 3.8969014755129E+22
Surface area 5.5585784792317E+15
Circumference 132146847.53999

Square

Length = n
Perimeter 84127296
Area 442337620766976
Diagonal 29743490.742244

Cube

Length = n
Surface area 2654025724601856
Volume 9.3031669885498E+21
Space diagonal 36428187.743846

Equilateral Triangle

Length = n
Perimeter 63095472
Area 1.9153780831688E+14
Altitude 18214093.871923

Triangular Pyramid

Length = n
Surface area 1.9153780831688E+14
Volume 1.0963887440191E+21
Height 9914496.9140813