21490908 (number)

21490908 is an even 8-digits composite number following 21490907 and preceding 21490909. In scientific notation, it is written as 2.1490908 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors. There are 7065216 positive integers (up to 21490908) that are relatively prime to 21490908.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1490908 × 10^7
Engineering notation 2.1490908 × 10^6

Prime Factorization of 21490908

Prime Factorization 2 × 2 × 3 × 73 × 24533

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10745454
Product of the distinct prime numbers

The prime factorization of 21490908 is 2 × 2 × 3 × 73 × 24533. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21490908)

Multiplication

n×y
n×2 42981816
n×3 64472724
n×4 85963632
n×5 107454540

Division

n÷y
n÷2 10745454
n÷3 7163636
n÷3 5372727
n÷5 4298181.6

Exponentiation

ny
n2 461859126664464
n3 9.9257720001063E+21
n4 2.1331385288326E+29
n5 4.5843083874397E+36

Nth Root

y√n
2√n 4635.8287285015
3√n 278.02568642805
4√n 68.086920392257
5√n 29.271902707948

Divisors of 21490908

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 -21490907
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 21490908 can be divided by 24 positive divisors. The sum of these divisors (counting 21490908) is 1, the average is 0.041666666666667.

Base conversion 21490908

Base System Value
2 Binary 1010001111110110011011100
3 Ternary 1111102211222120
4 Quaternary 1101332303130
5 Quinary 21000202113
6 Senary 2044342540
8 Octal 121766334
10 Decimal 21490908
12 Duodecimal 7244a50
16 Hexadecimal 147ecdc
20 Vigesimal 6e6758
36 Base36 csmho

Cryptographic Hash Functions

md5 d2a4959489d2a698eb8933bc5269f1a2
sha1 0489c4f7a5e57fab6f1c0c244263fc310bdac0b2
sha256 a1a2d0069d3ee9bc1b1aec11619c9801692fd5fec074ed6faaf3d1986f48e175
sha512 1bb4bd34c1c03bfb34a8c2c81b0524b409ab6c04bab1954519c3855e8db4e293fbd1bdf8891d1e5d3246d45842ec55aef4ebcf51047a45f559004e12c71497e0
ripemd-160 d1b90116b0651e87032575f6ebceae10adecead0

21490908 as geometric shapes

Circle

Radius = n
Diameter 42981816
Circumference 135031357.38355
Area 1.4509732393225E+15

Sphere

Radius = n
Volume 4.1576976528988E+22
Surface area 5.8038929572899E+15
Circumference 135031357.38355

Square

Length = n
Perimeter 85963632
Area 461859126664464
Diagonal 30392733.561312

Cube

Length = n
Surface area 2771154759986784
Volume 9.9257720001063E+21
Space diagonal 37223344.556788

Equilateral Triangle

Length = n
Perimeter 64472724
Area 1.9999086833056E+14
Altitude 18611672.278394

Triangular Pyramid

Length = n
Surface area 1.9999086833056E+14
Volume 1.1697634482978E+21
Height 10130911.187104