21531057 (number)

21531057 is an odd 8-digits composite number following 21531056 and preceding 21531058. In scientific notation, it is written as 2.1531057 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 14248992 positive integers (up to 21531057) that are relatively prime to 21531057.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1531057 × 10^7
Engineering notation 2.1531057 × 10^6

Prime Factorization of 21531057

Prime Factorization 3 × 137 × 52387

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21531057
Product of the distinct prime numbers

The prime factorization of 21531057 is 3 × 137 × 52387. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21531057)

Multiplication

n×y
n×2 43062114
n×3 64593171
n×4 86124228
n×5 107655285

Division

n÷y
n÷2 10765528.5
n÷3 7177019
n÷3 5382764.25
n÷5 4306211.4

Exponentiation

ny
n2 463586415537249
n3 9.9815055373582E+21
n4 2.1491236467067E+29
n5 4.6272903737291E+36

Nth Root

y√n
2√n 4640.1570016541
3√n 278.19871323102
4√n 68.11869788578
5√n 29.282831612211

Divisors of 21531057

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 -21531056
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 21531057 can be divided by 8 positive divisors. The sum of these divisors (counting 21531057) is 1, the average is 0.125.

Base conversion 21531057

Base System Value
2 Binary 1010010001000100110110001
3 Ternary 1111111220001120
4 Quaternary 1102020212301
5 Quinary 21002443212
6 Senary 2045252453
8 Octal 122104661
10 Decimal 21531057
12 Duodecimal 7264129
16 Hexadecimal 14889b1
20 Vigesimal 6eb7ch
36 Base36 cthgx

Cryptographic Hash Functions

md5 5c5c9cd8239e69fdbbb5dddac8a93293
sha1 13b41c57633c6ebab359d9efeeda787e9696140f
sha256 276da9e5b1ef0a4664ed968ef327d021546e9f201b4d5170ddb58272eed7386b
sha512 18334d3afa5e2c42fb764879a233c51f0c2037c6af5a847079ebc7774c02d0f37416f0a715df0b59310c46e0a913a4944415894f881553d30d93c8583127ecf0
ripemd-160 bed5ddd63b25bde77daa3d536476da9ad44049ed

21531057 as geometric shapes

Circle

Radius = n
Diameter 43062114
Circumference 135283620.99045
Area 1.4563996773558E+15

Sphere

Radius = n
Volume 4.1810432623907E+22
Surface area 5.8255987094234E+15
Circumference 135283620.99045

Square

Length = n
Perimeter 86124228
Area 463586415537249
Diagonal 30449512.821628

Cube

Length = n
Surface area 2781518493223494
Volume 9.9815055373582E+21
Space diagonal 37292884.664662

Equilateral Triangle

Length = n
Perimeter 64593171
Area 2.0073880635231E+14
Altitude 18646442.332331

Triangular Pyramid

Length = n
Surface area 2.0073880635231E+14
Volume 1.1763317086528E+21
Height 10149837.607209