21495725 (number)

21495725 is an odd 8-digits composite number following 21495724 and preceding 21495726. In scientific notation, it is written as 2.1495725 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors. There are 17001600 positive integers (up to 21495725) that are relatively prime to 21495725.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1495725 × 10^7
Engineering notation 2.1495725 × 10^6

Prime Factorization of 21495725

Prime Factorization 5 × 5 × 89 × 9661

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 4299145
Product of the distinct prime numbers

The prime factorization of 21495725 is 5 × 5 × 89 × 9661. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 7, 9, 5, 566, 696, 6173, 4755, 55777, 80932, 966340, 282425, 674386, 4715752, 85524411, 55322419, 209774260, 524187401, 2514296039, 2714951291

Basic calculations (n = 21495725)

Multiplication

n×y
n×2 42991450
n×3 64487175
n×4 85982900
n×5 107478625

Division

n÷y
n÷2 10747862.5
n÷3 7165241.6666667
n÷3 5373931.25
n÷5 4299145

Exponentiation

ny
n2 462066193275625
n3 9.9324478224497E+21
n4 2.1350516696823E+29
n5 4.5894483552281E+36

Nth Root

y√n
2√n 4636.3482397249
3√n 278.04645722228
4√n 68.090735344281
5√n 29.273214798766

Divisors of 21495725

1, 5, 25, 89, 445, 2225, 9661, 48305, 241525, 859829, 4299145, 21495725

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 -21495724
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 21495725 can be divided by 12 positive divisors. The sum of these divisors (counting 21495725) is 1, the average is 0.083333333333333.

Base conversion 21495725

Base System Value
2 Binary 1010001111111111110101101
3 Ternary 1111110002120222
4 Quaternary 1101333332231
5 Quinary 21000330400
6 Senary 2044421125
8 Octal 121777655
10 Decimal 21495725
12 Duodecimal 72477a5
16 Hexadecimal 147ffad
20 Vigesimal 6e6j65
36 Base36 csq7h

Cryptographic Hash Functions

md5 8255079c2d55083d256b638da643932f
sha1 419a10cdc520c1a6cd0c72aec3608f6d9dbc3dd3
sha256 28ded15f4d1cde6a2bc9ad4ce2c68853cd820525931bb2cfc5f98ab67b8e75d0
sha512 09189cdd32030b432d1f01d84f3534c5181a17f498d931352fdda52f24a07eed731ae4f8b5630c1619d48273ab12d9b8005c0c3b8ec714a1945cef9605be4f28
ripemd-160 2da7ce3b11fb765db3f0650b84783ac6309a222e

21495725 as geometric shapes

Circle

Radius = n
Diameter 42991450
Circumference 135061623.48717
Area 1.4516237582669E+15

Sphere

Radius = n
Volume 4.1604940148229E+22
Surface area 5.8064950330676E+15
Circumference 135061623.48717

Square

Length = n
Perimeter 85982900
Area 462066193275625
Diagonal 30399545.828042

Cube

Length = n
Surface area 2772397159653750
Volume 9.9324478224497E+21
Space diagonal 37231687.845529

Equilateral Triangle

Length = n
Perimeter 64487175
Area 2.0008053080333E+14
Altitude 18615843.922764

Triangular Pyramid

Length = n
Surface area 2.0008053080333E+14
Volume 1.170550201506E+21
Height 10133181.942681