21102918 is an even 8-digits composite number following 21102917
and preceding 21102919 . In scientific notation, it is written as 2.1102918 × 10^7.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 7034304 positive integers (up to 21102918) that are relatively prime to 21102918.
21102918 has 8 divisors, whose sum is 42205848
The reverse of 21102918 is 81920112
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million one hundred two thousand nine hundred eighteen
Scientific notation
2.1102918 × 10^7
Engineering notation
2.1102918 × 10^6
Prime Factorization
2 × 3 × 3517153
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21102918
Product of the distinct prime numbers
The prime factorization of 21102918 is 2 × 3 × 3517153.
Since it has a total of 3 prime factors.
1 , 5 , 37 , 52 , 60 , 501 , 5791 , 1704 , 89170 , 20392 , 929367 , 105647 , 8533804 , 3899840 , 75897653 , 46749612 , 413341462 , 986136815 , 5826717205 , 5798445977
n×2
42205836
n×3
63308754
n×4
84411672
n×5
105514590
n÷2
10551459
n÷3
7034306
n÷3
5275729.5
n÷5
4220583.6
n2
445333148114724
n3
9.3978289073469E+21
n4
1.9832161280977E+29
n5
4.1851647327523E+36
2 √n
4593.7912447128
3 √n
276.34238646761
4 √n
67.777512824777
5 √n
29.165437954818
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
-21102917
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 21102918 can be divided by 8 positive divisors.
The sum of these divisors (counting 21102918) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000100000000101000110
3
Ternary
1110201010202120
4
Quaternary
1100200011012
5
Quinary
20400243133
6
Senary
2032150410
8
Octal
120400506
10
Decimal
21102918
12
Duodecimal
7098406
16
Hexadecimal
1420146
20
Vigesimal
6bhh5i
36
Base36
ckb46
md5
ff09957d9bfe7c4f79f6006b06bbbdfe
sha1
869c8ec2b07381069ec3f72d3d0b52cf49980f6c
sha256
8633d86d2158a9df1237d8f5a0bf74cb40aa599510eb34655241e7b2900e59e6
sha512
de35baf020bd0727580cf1c2427b99563756155d6d1fe644efdc22045f702f612bae83f620b5f7b40ddf76e8dd35895155ee3348fd9a7cbdae68bcf043d7ac44
ripemd-160
53a96b232c2a35787ff25220ddc54283bc4dbb01
Diameter
42205836
Circumference
132593544.31622
Area
1.3990553465172E+15
Volume
3.9365533673353E+22
Surface area
5.5962213860689E+15
Circumference
132593544.31622
Perimeter
84411672
Area
445333148114724
Diagonal
29844032.841247
Surface area
2671998888688344
Volume
9.3978289073469E+21
Space diagonal
36551326.16396
Perimeter
63308754
Area
1.9283490970732E+14
Altitude
18275663.08198
Surface area
1.9283490970732E+14
Volume
1.107544758136E+21
Height
9948010.9470824