21497725 (number)

21497725 is an odd 8-digits composite number following 21497724 and preceding 21497726. In scientific notation, it is written as 2.1497725 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors. There are 16642800 positive integers (up to 21497725) that are relatively prime to 21497725.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1497725 × 10^7
Engineering notation 2.1497725 × 10^6

Prime Factorization of 21497725

Prime Factorization 5 × 31 × 5 × 27739

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 4299545
Product of the distinct prime numbers

The prime factorization of 21497725 is 5 × 31 × 5 × 27739. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 10, 50, 54, 148, 998, 521, 1998, 54892, 55936, 246184, 694810, 7603891, 1112450, 82543330, 10114056, 59768919, 431061187, 333625595, 4298171315

Basic calculations (n = 21497725)

Multiplication

n×y
n×2 42995450
n×3 64493175
n×4 85990900
n×5 107488625

Division

n÷y
n÷2 10748862.5
n÷3 7165908.3333333
n÷3 5374431.25
n÷5 4299545

Exponentiation

ny
n2 462152180175625
n3 9.935220477566E+21
n4 2.1358463764108E+29
n5 4.5915838042327E+36

Nth Root

y√n
2√n 4636.5639216989
3√n 278.05508026506
4√n 68.092319109419
5√n 29.273759504755

Divisors of 21497725

1, 5, 25, 31, 155, 775, 27739, 138695, 693475, 859909, 4299545, 21497725

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21497724
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21497725 can be divided by 12 positive divisors. The sum of these divisors (counting 21497725) is 1, the average is 0.083333333333333.

Base conversion 21497725

Base System Value
2 Binary 1010010000000011101111101
3 Ternary 1111110012100001
4 Quaternary 1102000131331
5 Quinary 21000411400
6 Senary 2044434301
8 Octal 122003575
10 Decimal 21497725
12 Duodecimal 7248991
16 Hexadecimal 148077d
20 Vigesimal 6e7465
36 Base36 csrr1

Cryptographic Hash Functions

md5 7e7975d69480b219ad85045f803abcb6
sha1 63e412d2b66003a15280a64503c705c37b655e2f
sha256 a96db5a91cdd3e1ef04f28ee33d485b5bd832531e278fcc532ee457246d34789
sha512 90ff0409abd565c4fbc9a22dfe8445f01f96f8d400ee3c0eb6548cb145272adeecaf62eea3e92f4f5a66a6dada614ae0062d653695cba257a5b9918de77a73dc
ripemd-160 359c3ff45277e108316ad1eb75e001ee270737d1

21497725 as geometric shapes

Circle

Radius = n
Diameter 42995450
Circumference 135074189.85779
Area 1.4518938940802E+15

Sphere

Radius = n
Volume 4.1616554218822E+22
Surface area 5.807575576321E+15
Circumference 135074189.85779

Square

Length = n
Perimeter 85990900
Area 462152180175625
Diagonal 30402374.255167

Cube

Length = n
Surface area 2772913081053750
Volume 9.935220477566E+21
Space diagonal 37235151.947144

Equilateral Triangle

Length = n
Perimeter 64493175
Area 2.0011776422323E+14
Altitude 18617575.973572

Triangular Pyramid

Length = n
Surface area 2.0011776422323E+14
Volume 1.1708769620451E+21
Height 10134124.751722