21102910 is an even 8-digits composite number following 21102909
and preceding 21102911 . In scientific notation, it is written as 2.1102910 × 10^7.
The sum of its digits is 16. It has a total of 3 prime factors and 8 positive divisors.
There are 8441160 positive integers (up to 21102910) that are relatively prime to 21102910.
21102910 has 8 divisors, whose sum is 37985256
The reverse of 21102910 is 01920112
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 16
Digital Root 7
Name
twenty-one million one hundred two thousand nine hundred ten
Scientific notation
2.1102910 × 10^7
Engineering notation
2.1102910 × 10^6
Prime Factorization
2 × 5 × 2110291
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21102910
Product of the distinct prime numbers
The prime factorization of 21102910 is 2 × 5 × 2110291.
Since it has a total of 3 prime factors.
5 , 5 , 17 , 18 , 872 , 175 , 350 , 6882 , 16121 , 98309 , 39196 , 441249 , 276739 , 2191570 , 25396584 , 90060886 , 980157800 , 49241874 , 5598747502 , 3979707083
n×2
42205820
n×3
63308730
n×4
84411640
n×5
105514550
n÷2
10551455
n÷3
7034303.3333333
n÷3
5275727.5
n÷5
4220582
n2
445332810468100
n3
9.3978182193554E+21
n4
1.9832131207942E+29
n5
4.1851567998938E+36
2 √n
4593.7903739722
3 √n
276.34235154765
4 √n
67.777506401256
5 √n
29.165435743526
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
-21102909
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 21102910 can be divided by 8 positive divisors.
The sum of these divisors (counting 21102910) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000100000000100111110
3
Ternary
1110201010202021
4
Quaternary
1100200010332
5
Quinary
20400243120
6
Senary
2032150354
8
Octal
120400476
10
Decimal
21102910
12
Duodecimal
70983ba
16
Hexadecimal
142013e
20
Vigesimal
6bhh5a
36
Base36
ckb3y
md5
81d3262f5c61c188654fa39b8e541ede
sha1
3611535626afebf4d12cc9624de7ea0fddb61e21
sha256
5509130aa45485b862e733666230f704ba2ca71f73cd7551e43b118e6a52ad8c
sha512
a09afa747289f9dc08e7633b43879d980b2520d9b4645ad6bdcb3770a4168a49f8e4c9b923dfc15bb3cc472ee8dac77600b2526e7600ef8e0619c0b99e76c0ee
ripemd-160
482e393f0643242beca150b2c010d9928a793166
Diameter
42205820
Circumference
132593494.05073
Area
1.3990542857691E+15
Volume
3.9365488903599E+22
Surface area
5.5962171430763E+15
Circumference
132593494.05073
Perimeter
84411640
Area
445332810468100
Diagonal
29844021.527539
Surface area
2671996862808600
Volume
9.3978182193554E+21
Space diagonal
36551312.307553
Perimeter
63308730
Area
1.9283476350205E+14
Altitude
18275656.153777
Surface area
1.9283476350205E+14
Volume
1.1075434985441E+21
Height
9948007.1758463