21080109 is an odd 8-digits composite number following 21080108
and preceding 21080110 . In scientific notation, it is written as 2.1080109 × 10^7.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 13710560 positive integers (up to 21080109) that are relatively prime to 21080109.
21080109 has 8 divisors, whose sum is 28792512
The reverse of 21080109 is 90108012
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty-one million eighty thousand one hundred nine
Scientific notation
2.1080109 × 10^7
Engineering notation
2.1080109 × 10^6
Prime Factorization
3 × 41 × 171383
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21080109
Product of the distinct prime numbers
The prime factorization of 21080109 is 3 × 41 × 171383.
Since it has a total of 3 prime factors.
10 , 1 , 32 , 93 , 642 , 539 , 4313 , 1061 , 77643 , 97003 , 227882 , 270231 , 6494952 , 5247492 , 55642094 , 35217020 , 723667005 , 367506219 , 8891119795 , 3969014988
n×2
42160218
n×3
63240327
n×4
84320436
n×5
105400545
n÷2
10540054.5
n÷3
7026703
n÷3
5270027.25
n÷5
4216021.8
n2
444370995451881
n3
9.3673890205642E+21
n4
1.974655815989E+29
n5
4.1625959838531E+36
2 √n
4591.3079835707
3 √n
276.24278940797
4 √n
67.759191137223
5 √n
29.159130559155
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
-21080108
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 21080109 can be divided by 8 positive divisors.
The sum of these divisors (counting 21080109) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000011010100000101101
3
Ternary
1110122222110210
4
Quaternary
1100122200231
5
Quinary
20344030414
6
Senary
2031453033
8
Octal
120324055
10
Decimal
21080109
12
Duodecimal
7087179
16
Hexadecimal
141a82d
20
Vigesimal
6bf059
36
Base36
cjtil
md5
abc321d0a0ec82191ae74b641422b777
sha1
0b3109bc44f1096dc8c5ca3993710e9047d4250a
sha256
6996f00ee124c355e07dd0eb6c8280aefb68dad1df3c7febc5c99d277ecb1b4c
sha512
5874c2d0c16675615e6551ab3b3d75ec4bf6d01d1da58b4caa58b9f600e7aa9ef69d37265d531d5d21486cc155b7069ef38529f8f06e55b673d97c939bff0028
ripemd-160
4fa77d90ccd20d094043124f34019232a295cb62
Diameter
42160218
Circumference
132450231.14254
Area
1.39603265478E+15
Volume
3.9238027373763E+22
Surface area
5.5841306191201E+15
Circumference
132450231.14254
Perimeter
84320436
Area
444370995451881
Diagonal
29811776.044103
Surface area
2666225972711286
Volume
9.3673890205642E+21
Space diagonal
36511819.81709
Perimeter
63240327
Area
1.9241828538315E+14
Altitude
18255909.908545
Surface area
1.9241828538315E+14
Volume
1.1039573830756E+21
Height
9937258.6813677