21085930 (number)

21085930 is an even 8-digits composite number following 21085929 and preceding 21085931. In scientific notation, it is written as 2.1085930 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 8206272 positive integers (up to 21085930) that are relatively prime to 21085930.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-five thousand nine hundred thirty

Notation

Scientific notation 2.1085930 × 10^7
Engineering notation 2.1085930 × 10^6

Prime Factorization of 21085930

Prime Factorization 2 × 5 × 37 × 56989

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21085930
Product of the distinct prime numbers

The prime factorization of 21085930 is 2 × 5 × 37 × 56989. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21085930)

Multiplication

n×y
n×2 42171860
n×3 63257790
n×4 84343720
n×5 105429650

Division

n÷y
n÷2 10542965
n÷3 7028643.3333333
n÷3 5271482.5
n÷5 4217186

Exponentiation

ny
n2 444616443964900
n3 9.3751512142928E+21
n4 1.9768378224399E+29
n5 4.1683463945321E+36

Nth Root

y√n
2√n 4591.9418550326
3√n 276.26821402807
4√n 67.763868359418
5√n 29.160740764814

Divisors of 21085930

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 -21085929
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 21085930 can be divided by 16 positive divisors. The sum of these divisors (counting 21085930) is 1, the average is 0.0625.

Base conversion 21085930

Base System Value
2 Binary 1010000011011111011101010
3 Ternary 1110200021110101
4 Quaternary 1100123323222
5 Quinary 20344222210
6 Senary 2031540014
8 Octal 120337352
10 Decimal 21085930
12 Duodecimal 708a60a
16 Hexadecimal 141beea
20 Vigesimal 6bfega
36 Base36 cjy0a

Cryptographic Hash Functions

md5 93a5f657dda3a9b32bfefc1bc1129cb2
sha1 01e85c421af128bbd48cad166bc638b9b6f26dd3
sha256 b2ba4bb9842c005e31fd8767412ecc84adf090c1ded450b520a55675ada74fa2
sha512 71dd6b40cd48877242be2a4dc48d62f95343ed5d05919604d8043e104567bcfbc1a4acd42dd099c8cba46e184dabf593e3ce5a6ac5a5d0b2e5ecdaea52faf9e0
ripemd-160 23a7fc9d6b30f49ddb335999275a222e9a86a9cc

21085930 as geometric shapes

Circle

Radius = n
Diameter 42171860
Circumference 132486805.56422
Area 1.3968037540253E+15

Sphere

Radius = n
Volume 3.9270541574821E+22
Surface area 5.5872150161014E+15
Circumference 132486805.56422

Square

Length = n
Perimeter 84343720
Area 444616443964900
Diagonal 29820008.18125

Cube

Length = n
Surface area 2667698663789400
Volume 9.3751512142928E+21
Space diagonal 36521902.084841

Equilateral Triangle

Length = n
Perimeter 63257790
Area 1.9252456770695E+14
Altitude 18260951.04242

Triangular Pyramid

Length = n
Surface area 1.9252456770695E+14
Volume 1.1048721663793E+21
Height 9940002.7270832