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.
21238081 has 4 divisors, whose sum is 21297600
The reverse of 21238081 is 18083212
Previous prime number is 359
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million two hundred thirty-eight thousand eighty-one
Scientific notation
2.1238081 × 10^7
Engineering notation
2.1238081 × 10^6
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.
6 , 10 , 98 , 19 , 100 , 867 , 6495 , 1858 , 96858 , 44688 , 955974 , 320895 , 8353280 , 6363903 , 80740461 , 52551610 , 421491917 , 523280752 , 9272956436 , 7294836757
n×2
42476162
n×3
63714243
n×4
84952324
n×5
106190405
n÷2
10619040.5
n÷3
7079360.3333333
n÷3
5309520.25
n÷5
4247616.2
n2
451056084562561
n3
9.5795656594825E+21
n4
2.0345159142091E+29
n5
4.3209213781762E+36
2 √n
4608.4792502516
3 √n
276.93111712371
4 √n
67.885780913617
5 √n
29.202703201155
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
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
md5
cbf12bfe048f1950a4ee9fd31fc20c7d
sha1
079463d865e492b485436ca80384b72cc6cae8ce
sha256
316f021c037e88d6db50cc09087b9ea84e9700f3400ef7e496371bb1f3d0251e
sha512
ff71647c9e2f6613b95b1fa01f52e2bf2264704f8a882f0c930f2e4716848bfc450276277f84880fd68375aa5a85ffde643c1aba718a95c5e290c5cf39376f55
ripemd-160
118e604bb2e835d751cea33814ceb4275e86b940
Diameter
42476162
Circumference
133442798.49189
Area
1.4170344816187E+15
Volume
4.0126790800548E+22
Surface area
5.6681379264749E+15
Circumference
133442798.49189
Perimeter
84952324
Area
451056084562561
Diagonal
30035182.188978
Surface area
2706336507375366
Volume
9.5795656594825E+21
Space diagonal
36785435.347263
Perimeter
63714243
Area
1.9531301388136E+14
Altitude
18392717.673632
Surface area
1.9531301388136E+14
Volume
1.1289626397736E+21
Height
10011727.396326