21080904 is an even 8-digits composite number following 21080903
and preceding 21080905 . In scientific notation, it is written as 2.1080904 × 10^7.
The sum of its digits is 24. It has a total of 6 prime factors and 32 positive divisors.
There are 6486336 positive integers (up to 21080904) that are relatively prime to 21080904.
21080904 has 32 divisors, whose sum is 56757120
The reverse of 21080904 is 40908012
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million eighty thousand nine hundred four
Scientific notation
2.1080904 × 10^7
Engineering notation
2.1080904 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 13 × 67567
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5270226
Product of the distinct prime numbers
The prime factorization of 21080904 is 2 × 2 × 2 × 3 × 13 × 67567.
Since it has a total of 6 prime factors.
6 , 8 , 86 , 1 , 95 , 839 , 9950 , 2944 , 77534 , 51719 , 573332 , 682673 , 9617050 , 2619258 , 76415721 , 82178929 , 929907349 , 836170596 , 4591830977 , 7293330543
n×2
42161808
n×3
63242712
n×4
84323616
n×5
105404520
n÷2
10540452
n÷3
7026968
n÷3
5270226
n÷5
4216180.8
n2
444404513457216
n3
9.3684488853583E+21
n4
1.9749537158114E+29
n5
4.1633809687464E+36
2 √n
4591.3945593904
3 √n
276.24626203797
4 √n
67.759829983482
5 √n
29.159350493114
1 , 2 , 3 , 4 , 6 , 8 , 12 , 13 , 24 , 26 , 39 , 52 , 78 , 104 , 156 , 312 , 67567 , 135134 , 202701 , 270268 , 405402 , 540536 , 810804 , 878371 , 1621608 , 1756742 , 2635113 , 3513484 , 5270226 , 7026968 , 10540452 , 21080904
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21080903
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21080904 can be divided by 32 positive divisors.
The sum of these divisors (counting 21080904) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000011010101101001000
3
Ternary
1110200000120020
4
Quaternary
1100122231020
5
Quinary
20344042104
6
Senary
2031500440
8
Octal
120325510
10
Decimal
21080904
12
Duodecimal
7087720
16
Hexadecimal
141ab48
20
Vigesimal
6bf254
36
Base36
cju4o
md5
8457a88690016bb7089e433c191c4ef7
sha1
b0b25a5c3530cdccf63c235c4e385eb38efbf917
sha256
4ec1ca760a347aa2d14faa1140a3033b26f5736790715eb13c6337e16d1279e8
sha512
9fd83dac577318ebab8d3d80fbd5bb3284cf34a05cefddad16ea4e6f2cceb575f6eee5e999d2b9883cddcfaaaa5e7e44e76f29c96605dc35e362d7a7e553a118
ripemd-160
dd43792f40aa71bc8eb06525a114d68cd9e8a3e8
Diameter
42161808
Circumference
132455226.27486
Area
1.3961379546993E+15
Volume
3.9242466925031E+22
Surface area
5.5845518187973E+15
Circumference
132455226.27486
Perimeter
84323616
Area
444404513457216
Diagonal
29812900.343885
Surface area
2666427080743296
Volume
9.3684488853583E+21
Space diagonal
36513196.797482
Perimeter
63242712
Area
1.9243279910521E+14
Altitude
18256598.398741
Surface area
1.9243279910521E+14
Volume
1.1040822893394E+21
Height
9937633.4479617