21490925 (number)

21490925 is an odd 8-digits composite number following 21490924 and preceding 21490926. In scientific notation, it is written as 2.1490925 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors. There are 17089920 positive integers (up to 21490925) that are relatively prime to 21490925.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1490925 × 10^7
Engineering notation 2.1490925 × 10^6

Prime Factorization of 21490925

Prime Factorization 5 × 5 × 173 × 4969

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 4298185
Product of the distinct prime numbers

The prime factorization of 21490925 is 5 × 5 × 173 × 4969. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 4, 25, 54, 272, 287, 2226, 2660, 50192, 76472, 118946, 786804, 2777427, 6707191, 6750456, 40374812, 767735630, 756050568, 4285164156, 4358556838

Basic calculations (n = 21490925)

Multiplication

n×y
n×2 42981850
n×3 64472775
n×4 85963700
n×5 107454625

Division

n÷y
n÷2 10745462.5
n÷3 7163641.6666667
n÷3 5372731.25
n÷5 4298185

Exponentiation

ny
n2 461859857355625
n3 9.9257955549404E+21
n4 2.1331452783656E+29
n5 4.5843265191459E+36

Nth Root

y√n
2√n 4635.830562046
3√n 278.02575973712
4√n 68.086933856989
5√n 29.27190733895

Divisors of 21490925

1, 5, 25, 173, 865, 4325, 4969, 24845, 124225, 859637, 4298185, 21490925

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 -21490924
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 21490925 can be divided by 12 positive divisors. The sum of these divisors (counting 21490925) is 1, the average is 0.083333333333333.

Base conversion 21490925

Base System Value
2 Binary 1010001111110110011101101
3 Ternary 1111102212000012
4 Quaternary 1101332303231
5 Quinary 21000202200
6 Senary 2044343005
8 Octal 121766355
10 Decimal 21490925
12 Duodecimal 7244a65
16 Hexadecimal 147eced
20 Vigesimal 6e6765
36 Base36 csmi5

Cryptographic Hash Functions

md5 93c17aa22e8c2aca962e65f215538c6a
sha1 ccbb535596e15b77df93759c6d5a6ad220ac8068
sha256 de975e2b18fcbccc84300f451b5be5f3846d4d46f62cae494172f6447446ebf9
sha512 a1aab6241fe101466af921e292f144a812ba87dfdb3dbb5577a7fbff82d7134ed57e5f5e7fc5a07e032e6b364c01d0b9df5e9669c715788fd6e748fcc560dd4e
ripemd-160 520a02f3efddbc79b93bc7b38b9e9d8b19711d64

21490925 as geometric shapes

Circle

Radius = n
Diameter 42981850
Circumference 135031464.1977
Area 1.4509755348565E+15

Sphere

Radius = n
Volume 4.1577075195247E+22
Surface area 5.8039021394258E+15
Circumference 135031464.1977

Square

Length = n
Perimeter 85963700
Area 461859857355625
Diagonal 30392757.602943

Cube

Length = n
Surface area 2771159144133750
Volume 9.9257955549404E+21
Space diagonal 37223374.001652

Equilateral Triangle

Length = n
Perimeter 64472775
Area 1.9999118472911E+14
Altitude 18611687.000826

Triangular Pyramid

Length = n
Surface area 1.9999118472911E+14
Volume 1.1697662242616E+21
Height 10130919.200981