21493725 (number)

21493725 is an odd 8-digits composite number following 21493724 and preceding 21493726. In scientific notation, it is written as 2.1493725 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors. There are 10420800 positive integers (up to 21493725) that are relatively prime to 21493725.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1493725 × 10^7
Engineering notation 2.1493725 × 10^6

Prime Factorization of 21493725

Prime Factorization 3 × 11 × 5 × 5 × 26053

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 4298745
Product of the distinct prime numbers

The prime factorization of 21493725 is 3 × 11 × 5 × 5 × 26053. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21493725)

Multiplication

n×y
n×2 42987450
n×3 64481175
n×4 85974900
n×5 107468625

Division

n÷y
n÷2 10746862.5
n÷3 7164575
n÷3 5373431.25
n÷5 4298745

Exponentiation

ny
n2 461980214375625
n3 9.9296756832307E+21
n4 2.1342571847455E+29
n5 4.5873137008194E+36

Nth Root

y√n
2√n 4636.1325477169
3√n 278.03783364461
4√n 68.089151468622
5√n 29.27267005223

Divisors of 21493725

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21493724
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21493725 can be divided by 24 positive divisors. The sum of these divisors (counting 21493725) is 1, the average is 0.041666666666667.

Base conversion 21493725

Base System Value
2 Binary 1010001111111011111011101
3 Ternary 1111102222211220
4 Quaternary 1101333133131
5 Quinary 21000244400
6 Senary 2044403553
8 Octal 121773735
10 Decimal 21493725
12 Duodecimal 72465b9
16 Hexadecimal 147f7dd
20 Vigesimal 6e6e65
36 Base36 csonx

Cryptographic Hash Functions

md5 dd3214d1054a7f014412f5daab428a35
sha1 b67c98521909b61d5757cc41741bc8302c4124f0
sha256 f82783ccc4bf93417d96815ffe38600f2cef4fe3b9c92e64f3584d9a80b2bdf4
sha512 0b1343f16015cb367b5d2a417a5b33ff09064be1fb7e693fcfc539be9fdc194b2a7958b7ddb0e13b3c34f89d99091bb0affba204556c59c5700cecd7a7feb974
ripemd-160 d1790b1a469e066ba1f76b911ef3190a3e9a9516

21493725 as geometric shapes

Circle

Radius = n
Diameter 42987450
Circumference 135049057.11656
Area 1.4513536475863E+15

Sphere

Radius = n
Volume 4.1593328238622E+22
Surface area 5.8054145903452E+15
Circumference 135049057.11656

Square

Length = n
Perimeter 85974900
Area 461980214375625
Diagonal 30396717.400918

Cube

Length = n
Surface area 2771881286253750
Volume 9.9296756832307E+21
Space diagonal 37228223.743913

Equilateral Triangle

Length = n
Perimeter 64481175
Area 2.0004330084754E+14
Altitude 18614111.871957

Triangular Pyramid

Length = n
Surface area 2.0004330084754E+14
Volume 1.1702235017659E+21
Height 10132239.133639