21057535 (number)

21057535 is an odd 8-digits composite number following 21057534 and preceding 21057536. In scientific notation, it is written as 2.1057535 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 15880480 positive integers (up to 21057535) that are relatively prime to 21057535.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1057535 × 10^7
Engineering notation 2.1057535 × 10^6

Prime Factorization of 21057535

Prime Factorization 5 × 23 × 71 × 2579

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21057535
Product of the distinct prime numbers

The prime factorization of 21057535 is 5 × 23 × 71 × 2579. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21057535)

Multiplication

n×y
n×2 42115070
n×3 63172605
n×4 84230140
n×5 105287675

Division

n÷y
n÷2 10528767.5
n÷3 7019178.3333333
n÷3 5264383.75
n÷5 4211507

Exponentiation

ny
n2 443419780276225
n3 9.3373275428589E+21
n4 1.9662110154022E+29
n5 4.1403557274216E+36

Nth Root

y√n
2√n 4588.8489842225
3√n 276.1441477296
4√n 67.741043571992
5√n 29.152882770314

Divisors of 21057535

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21057534
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21057535 can be divided by 16 positive divisors. The sum of these divisors (counting 21057535) is 1, the average is 0.0625.

Base conversion 21057535

Base System Value
2 Binary 1010000010100111111111111
3 Ternary 1110121211111201
4 Quaternary 1100110333333
5 Quinary 20342320120
6 Senary 2031200331
8 Octal 120247777
10 Decimal 21057535
12 Duodecimal 70760a7
16 Hexadecimal 1414fff
20 Vigesimal 6bc3gf
36 Base36 cjc3j

Cryptographic Hash Functions

md5 cc34e2943e57107a280d90e244590b3b
sha1 f10771aa08cbb0ab30c27a0557a00f14d134d1ba
sha256 8468fd28a1ada6595cedd5bc1087e74d8580ba89198363d86583b503b0330ee5
sha512 468260da3d0ab8a45501be5694a018a2a5ffe17d0774bc78405d0f4d5b8920553e8d171f4cebdd55a5d9fa182f1a3af37203053d9d445aeaa29909d00c33d74f
ripemd-160 54780efe10e5e7a5e08e068fa1ef5dc4b09e8b65

21057535 as geometric shapes

Circle

Radius = n
Diameter 42115070
Circumference 132308394.51742
Area 1.3930443241722E+15

Sphere

Radius = n
Volume 3.911210615041E+22
Surface area 5.5721772966888E+15
Circumference 132308394.51742

Square

Length = n
Perimeter 84230140
Area 443419780276225
Diagonal 29779851.587146

Cube

Length = n
Surface area 2660518681657350
Volume 9.3373275428589E+21
Space diagonal 36472720.50216

Equilateral Triangle

Length = n
Perimeter 63172605
Area 1.9200639712986E+14
Altitude 18236360.25108

Triangular Pyramid

Length = n
Surface area 1.9200639712986E+14
Volume 1.1004146039526E+21
Height 9926617.1957154