21102513 is an odd 8-digits composite number following 21102512
and preceding 21102514 . In scientific notation, it is written as 2.1102513 × 10^7.
The sum of its digits is 15. It has a total of 2 prime factors and 4 positive divisors.
There are 14068340 positive integers (up to 21102513) that are relatively prime to 21102513.
21102513 has 4 divisors, whose sum is 28136688
The reverse of 21102513 is 31520112
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 15
Digital Root 6
Name
twenty-one million one hundred two thousand five hundred thirteen
Scientific notation
2.1102513 × 10^7
Engineering notation
2.1102513 × 10^6
Prime Factorization
3 × 7034171
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21102513
Product of the distinct prime numbers
The prime factorization of 21102513 is 3 × 7034171.
Since it has a total of 2 prime factors.
8 , 9 , 12 , 92 , 536 , 416 , 8324 , 4470 , 45649 , 31434 , 308164 , 699072 , 96912 , 1102628 , 86198893 , 41242736 , 740291951 , 129147173 , 1917709806 , 9093695268
n×2
42205026
n×3
63307539
n×4
84410052
n×5
105512565
n÷2
10551256.5
n÷3
7034171
n÷3
5275628.25
n÷5
4220502.6
n2
445316054915169
n3
9.3972878379561E+21
n4
1.9830638876521E+29
n5
4.1847631469009E+36
2 √n
4593.7471632644
3 √n
276.34061863338
4 √n
67.777187631713
5 √n
29.165326007332
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
-21102512
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 21102513 can be divided by 4 positive divisors.
The sum of these divisors (counting 21102513) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000011111111110110001
3
Ternary
1110201010012120
4
Quaternary
1100133332301
5
Quinary
20400240023
6
Senary
2032144453
8
Octal
120377661
10
Decimal
21102513
12
Duodecimal
7098129
16
Hexadecimal
141ffb1
20
Vigesimal
6bhg5d
36
Base36
ckasx
md5
d00c9cd6b4288094464ecb8dfefdc7ff
sha1
58f64bf78af76f9eb506f6a5f51a1ee8ff23b7de
sha256
f2d414099c9f7ef66e3fb17079bd0f847b907edacd6df0e5a2a26f3014dfc05b
sha512
e9251355b52a3d3a170bac9b23d25a0a03116f55d1bfc686f5c8e6357112028e64e8e89d057c88d3aa816ced506eeeee1e7df7e1dd78aa1fea4a38d01385715d
ripemd-160
d70c6f4e05450772eeb94d82197320729440cc98
Diameter
42205026
Circumference
132590999.62617
Area
1.3990016466471E+15
Volume
3.9363267247189E+22
Surface area
5.5960065865883E+15
Circumference
132590999.62617
Perimeter
84410052
Area
445316054915169
Diagonal
29843460.084755
Surface area
2671896329491014
Volume
9.3972878379561E+21
Space diagonal
36550624.683383
Perimeter
63307539
Area
1.928275081348E+14
Altitude
18275312.341691
Surface area
1.928275081348E+14
Volume
1.1074809924968E+21
Height
9947820.0282515