21130155 is an odd 8-digits composite number following 21130154
and preceding 21130156 . In scientific notation, it is written as 2.1130155 × 10^7.
The sum of its digits is 18. It has a total of 5 prime factors and 24 positive divisors.
There are 11234880 positive integers (up to 21130155) that are relatively prime to 21130155.
21130155 has 24 divisors, whose sum is 36738000
The reverse of 21130155 is 55103112
Previous prime number is 499
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty-one million one hundred thirty thousand one hundred fifty-five
Scientific notation
2.1130155 × 10^7
Engineering notation
2.1130155 × 10^6
Prime Factorization
5 × 3 × 3 × 499 × 941
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
7043385
Product of the distinct prime numbers
The prime factorization of 21130155 is 5 × 3 × 3 × 499 × 941.
Since it has a total of 5 prime factors.
8 , 10 , 31 , 14 , 797 , 52 , 9012 , 1523 , 30169 , 65241 , 243570 , 500358 , 2849968 , 9163489 , 4029225 , 44661647 , 226308810 , 543602980 , 8542515315 , 7910535819
n×2
42260310
n×3
63390465
n×4
84520620
n×5
105650775
n÷2
10565077.5
n÷3
7043385
n÷3
5282538.75
n÷5
4226031
n2
446483450324025
n3
9.4342645102814E+21
n4
1.9934747141325E+29
n5
4.21224296982E+36
2 √n
4596.7548335755
3 √n
276.46122472038
4 √n
67.799371926114
5 √n
29.172962688951
1 , 3 , 5 , 9 , 15 , 45 , 499 , 941 , 1497 , 2495 , 2823 , 4491 , 4705 , 7485 , 8469 , 14115 , 22455 , 42345 , 469559 , 1408677 , 2347795 , 4226031 , 7043385 , 21130155
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
-21130154
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 21130155 can be divided by 24 positive divisors.
The sum of these divisors (counting 21130155) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000100110101110101011
3
Ternary
1110202112010100
4
Quaternary
1100212232223
5
Quinary
20402131110
6
Senary
2032520443
8
Octal
120465653
10
Decimal
21130155
12
Duodecimal
70b0123
16
Hexadecimal
1426bab
20
Vigesimal
6c157f
36
Base36
ckw4r
md5
46713438f4c4d961cc98cd55521cc732
sha1
c2c6a500385d736f38c6343548fd13615024b831
sha256
b3b05e41f20958ad5dd9103b961a6dabf9ed422bca7442819dc09efa1624bc2b
sha512
1bed45456afa77095c1db7a075ad756e996cc6b89f78d340535e8c24a568bcba047c8f8ba2784b104f295a64f96f34bd8ba47ee0b5b4b30864b6d35fe5fa5988
ripemd-160
2ad5225fa5fa61b942e2cf3ef0b86ff68fc6163d
Diameter
42260310
Circumference
132764679.43443
Area
1.4026691274874E+15
Volume
3.9518154770031E+22
Surface area
5.6106765099495E+15
Circumference
132764679.43443
Perimeter
84520620
Area
446483450324025
Diagonal
29882551.776046
Surface area
2678900701944150
Volume
9.4342645102814E+21
Space diagonal
36598502.031806
Perimeter
63390465
Area
1.9333300517497E+14
Altitude
18299251.015903
Surface area
1.9333300517497E+14
Volume
1.1118387351213E+21
Height
9960850.5920152