20012908 is an even 8-digits composite number following 20012907
and preceding 20012909 . In scientific notation, it is written as 2.0012908 × 10^7.
The sum of its digits is 22. It has a total of 3 prime factors and 6 positive divisors.
There are 10006452 positive integers (up to 20012908) that are relatively prime to 20012908.
20012908 has 6 divisors, whose sum is 35022596
The reverse of 20012908 is 80921002
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million twelve thousand nine hundred eight
Scientific notation
2.0012908 × 10^7
Engineering notation
2.0012908 × 10^6
Prime Factorization
2 × 2 × 5003227
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
10006454
Product of the distinct prime numbers
The prime factorization of 20012908 is 2 × 2 × 5003227.
Since it has a total of 3 prime factors.
2 , 9 , 90 , 5 , 550 , 253 , 8145 , 4915 , 18706 , 51724 , 73852 , 644619 , 7193566 , 864861 , 39279829 , 67823786 , 137476082 , 286613759 , 8322630248 , 3647907604
n×2
40025816
n×3
60038724
n×4
80051632
n×5
100064540
n÷2
10006454
n÷3
6670969.3333333
n÷3
5003227
n÷5
4002581.6
n2
400516486616464
n3
8.0154995991385E+21
n4
1.604134560516E+29
n5
3.2103397379226E+36
2 √n
4473.5788804938
3 √n
271.50014527202
4 √n
66.884818011966
5 √n
28.857721631083
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20012907
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20012908 can be divided by 6 positive divisors.
The sum of these divisors (counting 20012908) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1001100010101111101101100
3
Ternary
1101122202112211
4
Quaternary
1030111331230
5
Quinary
20110403113
6
Senary
1552540204
8
Octal
114257554
10
Decimal
20012908
12
Duodecimal
6851664
16
Hexadecimal
1315f6c
20
Vigesimal
651c58
36
Base36
bwy24
md5
7ccb4a882c8dbbb7f3235b0a123dc3e5
sha1
ea1d459eaea6c710bdb530434a77f67c6be28bc3
sha256
555e6c4c1cb85fc7539466ed1d182666226eef7aa7894759b0591a7dff850364
sha512
8b7b4705e45ac405bff4bef37dfbb62b9c61104e9727c524f488f018d3f82563bc8528dd09d154a5f56a1f2c90da68a25a741f5b4da1eaf9f52e50eaca17cc42
ripemd-160
620d4a4338de56fe59e4b408281432f350f08b07
Diameter
40025816
Circumference
125744809.49954
Area
1.2582596519959E+15
Volume
3.3575246207341E+22
Surface area
5.0330386079835E+15
Circumference
125744809.49954
Perimeter
80051632
Area
400516486616464
Diagonal
28302525.916125
Surface area
2403098919698784
Volume
8.0154995991385E+21
Space diagonal
34663373.463202
Perimeter
60038724
Area
1.7342872602217E+14
Altitude
17331686.731601
Surface area
1.7342872602217E+14
Volume
9.4463568685815E+20
Height
9434175.305375