21238081 (number)

21238081 is an odd 8-digits composite number following 21238080 and preceding 21238082. In scientific notation, it is written as 2.1238081 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 21178564 positive integers (up to 21238081) that are relatively prime to 21238081.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred thirty-eight thousand eighty-one

Notation

Scientific notation 2.1238081 × 10^7
Engineering notation 2.1238081 × 10^6

Prime Factorization of 21238081

Prime Factorization 359 × 59159

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21238081
Product of the distinct prime numbers

The prime factorization of 21238081 is 359 × 59159. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21238081)

Multiplication

n×y
n×2 42476162
n×3 63714243
n×4 84952324
n×5 106190405

Division

n÷y
n÷2 10619040.5
n÷3 7079360.3333333
n÷3 5309520.25
n÷5 4247616.2

Exponentiation

ny
n2 451056084562561
n3 9.5795656594825E+21
n4 2.0345159142091E+29
n5 4.3209213781762E+36

Nth Root

y√n
2√n 4608.4792502516
3√n 276.93111712371
4√n 67.885780913617
5√n 29.202703201155

Divisors of 21238081

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21238080
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21238081 can be divided by 4 positive divisors. The sum of these divisors (counting 21238081) is 1, the average is 0.25.

Base conversion 21238081

Base System Value
2 Binary 1010001000001000101000001
3 Ternary 1110222000011121
4 Quaternary 1101001011001
5 Quinary 20414104311
6 Senary 2035112241
8 Octal 121010501
10 Decimal 21238081
12 Duodecimal 7142681
16 Hexadecimal 1441141
20 Vigesimal 6cef41
36 Base36 cn7ep

Cryptographic Hash Functions

md5 cbf12bfe048f1950a4ee9fd31fc20c7d
sha1 079463d865e492b485436ca80384b72cc6cae8ce
sha256 316f021c037e88d6db50cc09087b9ea84e9700f3400ef7e496371bb1f3d0251e
sha512 ff71647c9e2f6613b95b1fa01f52e2bf2264704f8a882f0c930f2e4716848bfc450276277f84880fd68375aa5a85ffde643c1aba718a95c5e290c5cf39376f55
ripemd-160 118e604bb2e835d751cea33814ceb4275e86b940

21238081 as geometric shapes

Circle

Radius = n
Diameter 42476162
Circumference 133442798.49189
Area 1.4170344816187E+15

Sphere

Radius = n
Volume 4.0126790800548E+22
Surface area 5.6681379264749E+15
Circumference 133442798.49189

Square

Length = n
Perimeter 84952324
Area 451056084562561
Diagonal 30035182.188978

Cube

Length = n
Surface area 2706336507375366
Volume 9.5795656594825E+21
Space diagonal 36785435.347263

Equilateral Triangle

Length = n
Perimeter 63714243
Area 1.9531301388136E+14
Altitude 18392717.673632

Triangular Pyramid

Length = n
Surface area 1.9531301388136E+14
Volume 1.1289626397736E+21
Height 10011727.396326