21495730 (number)

21495730 is an even 8-digits composite number following 21495729 and preceding 21495731. In scientific notation, it is written as 2.1495730 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 8598288 positive integers (up to 21495730) that are relatively prime to 21495730.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-five thousand seven hundred thirty

Notation

Scientific notation 2.1495730 × 10^7
Engineering notation 2.1495730 × 10^6

Prime Factorization of 21495730

Prime Factorization 2 × 5 × 2149573

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21495730
Product of the distinct prime numbers

The prime factorization of 21495730 is 2 × 5 × 2149573. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21495730)

Multiplication

n×y
n×2 42991460
n×3 64487190
n×4 85982920
n×5 107478650

Division

n÷y
n÷2 10747865
n÷3 7165243.3333333
n÷3 5373932.5
n÷5 4299146

Exponentiation

ny
n2 462066408232900
n3 9.9324547534442E+21
n4 2.1350536561725E+29
n5 4.5894536928598E+36

Nth Root

y√n
2√n 4636.3487789423
3√n 278.04647878055
4√n 68.090739303831
5√n 29.273216160581

Divisors of 21495730

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 -21495729
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 21495730 can be divided by 8 positive divisors. The sum of these divisors (counting 21495730) is 1, the average is 0.125.

Base conversion 21495730

Base System Value
2 Binary 1010001111111111110110010
3 Ternary 1111110002121011
4 Quaternary 1101333332302
5 Quinary 21000330410
6 Senary 2044421134
8 Octal 121777662
10 Decimal 21495730
12 Duodecimal 72477aa
16 Hexadecimal 147ffb2
20 Vigesimal 6e6j6a
36 Base36 csq7m

Cryptographic Hash Functions

md5 96266cd0de8f98a9ad68540efacfae1d
sha1 b57bb9df8d91976581b6abe03f783c7818f63594
sha256 fd658c92b3b3da05781fd87030c797935f27f18ed2bebc56e6064e08f50c01d3
sha512 50ad971770dbe0e1560450246a7496e49f4fd77310b50d999d515f8488ea3f4d5bae3da2f60a938fc5447bf819c615b0fdd0be91a74f703a92e20328ce8be2d5
ripemd-160 c8e50d503aa5f7511e7934e08342474b3ceaa8b2

21495730 as geometric shapes

Circle

Radius = n
Diameter 42991460
Circumference 135061654.9031
Area 1.4516244335751E+15

Sphere

Radius = n
Volume 4.1604969180711E+22
Surface area 5.8064977343004E+15
Circumference 135061654.9031

Square

Length = n
Perimeter 85982920
Area 462066408232900
Diagonal 30399552.89911

Cube

Length = n
Surface area 2772398449397400
Volume 9.9324547534442E+21
Space diagonal 37231696.505783

Equilateral Triangle

Length = n
Perimeter 64487190
Area 2.0008062388256E+14
Altitude 18615848.252891

Triangular Pyramid

Length = n
Surface area 2.0008062388256E+14
Volume 1.1705510183315E+21
Height 10133184.299703