21490738 (number)

21490738 is an even 8-digits composite number following 21490737 and preceding 21490739. In scientific notation, it is written as 2.1490738 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 10634496 positive integers (up to 21490738) that are relatively prime to 21490738.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety thousand seven hundred thirty-eight

Notation

Scientific notation 2.1490738 × 10^7
Engineering notation 2.1490738 × 10^6

Prime Factorization of 21490738

Prime Factorization 2 × 97 × 110777

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21490738
Product of the distinct prime numbers

The prime factorization of 21490738 is 2 × 97 × 110777. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21490738)

Multiplication

n×y
n×2 42981476
n×3 64472214
n×4 85962952
n×5 107453690

Division

n÷y
n÷2 10745369
n÷3 7163579.3333333
n÷3 5372684.5
n÷5 4298147.6

Exponentiation

ny
n2 461851819784644
n3 9.925536453815E+21
n4 2.1330710343839E+29
n5 4.5841270735333E+36

Nth Root

y√n
2√n 4635.8103930165
3√n 278.02495333522
4√n 68.086785744493
5√n 29.271856397767

Divisors of 21490738

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21490737
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21490738 can be divided by 8 positive divisors. The sum of these divisors (counting 21490738) is 1, the average is 0.125.

Base conversion 21490738

Base System Value
2 Binary 1010001111110110000110010
3 Ternary 1111102211202021
4 Quaternary 1101332300302
5 Quinary 21000200423
6 Senary 2044342054
8 Octal 121766062
10 Decimal 21490738
12 Duodecimal 724492a
16 Hexadecimal 147ec32
20 Vigesimal 6e66gi
36 Base36 csmcy

Cryptographic Hash Functions

md5 b392937f3d0388b83e3eedef336b28f8
sha1 e645bc42636ac6d127ecfdabcf7763a838a718bb
sha256 48b4fe199d1334b31ad824c3539f835fb96fbd535ed78943faa0373f1d399b18
sha512 bc0ae2627bace1b97073887d09a01cad49231716d82a3a035533badb5a000d0233cfbc2e80ef9972f55218aed3a320fc5e2dec330486e778013940e9d2b2e0e5
ripemd-160 ea325454faf410b05e60a7f7caaf736f358175f3

21490738 as geometric shapes

Circle

Radius = n
Diameter 42981476
Circumference 135030289.24205
Area 1.4509502840825E+15

Sphere

Radius = n
Volume 4.1575989874991E+22
Surface area 5.8038011363301E+15
Circumference 135030289.24205

Square

Length = n
Perimeter 85962952
Area 461851819784644
Diagonal 30392493.145007

Cube

Length = n
Surface area 2771110918707864
Volume 9.925536453815E+21
Space diagonal 37223050.108151

Equilateral Triangle

Length = n
Perimeter 64472214
Area 1.9998770435879E+14
Altitude 18611525.054076

Triangular Pyramid

Length = n
Surface area 1.9998770435879E+14
Volume 1.1697356889011E+21
Height 10130831.048336