20478908 is an even 8-digits composite number following 20478907
and preceding 20478909 . In scientific notation, it is written as 2.0478908 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 9962640 positive integers (up to 20478908) that are relatively prime to 20478908.
20478908 has 12 divisors, whose sum is 36806952
The reverse of 20478908 is 80987402
Previous prime number is 37
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million four hundred seventy-eight thousand nine hundred eight
Scientific notation
2.0478908 × 10^7
Engineering notation
2.0478908 × 10^6
Prime Factorization
2 × 2 × 37 × 138371
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10239454
Product of the distinct prime numbers
The prime factorization of 20478908 is 2 × 2 × 37 × 138371.
Since it has a total of 4 prime factors.
4 , 4 , 63 , 8 , 766 , 194 , 7686 , 7723 , 32713 , 42532 , 872912 , 405049 , 8293917 , 3427475 , 13754200 , 32999935 , 409884576 , 706467223 , 6549400950 , 8313245917
n×2
40957816
n×3
61436724
n×4
81915632
n×5
102394540
n÷2
10239454
n÷3
6826302.6666667
n÷3
5119727
n÷5
4095781.6
n2
419385672872464
n3
8.5885606112733E+21
n4
1.7588434261069E+29
n5
3.6019192709648E+36
2 √n
4525.362747891
3 √n
273.59128863774
4 √n
67.270816465173
5 √n
28.990877376688
1 , 2 , 4 , 37 , 74 , 148 , 138371 , 276742 , 553484 , 5119727 , 10239454 , 20478908
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20478907
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20478908 can be divided by 12 positive divisors.
The sum of these divisors (counting 20478908) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001110000111101110111100
3
Ternary
1102112102210002
4
Quaternary
1032013232330
5
Quinary
20220311113
6
Senary
2010533432
8
Octal
116075674
10
Decimal
20478908
12
Duodecimal
6a37278
16
Hexadecimal
1387bbc
20
Vigesimal
67jh58
36
Base36
c6xmk
md5
424a712b5597559d247b4c20edcdb4e8
sha1
ff3b06aa1e24d2e99672de8a5cd8adcfd5fae1fa
sha256
768f39223d23b3c77b47190615dd30df17b7c10dd0793d6e24616a8c3a02cebd
sha512
5a0cf905f4836305ed428690118beaa4a84e5951fcb6220d768ab3c0b771103b8e65fc0708bac43463c0caa1fe550cc7b0e51e377e99a29af63fb3bd748edf6a
ripemd-160
a93a1eb8e1f72f01fcb56e67c4bff6690c4169ba
Diameter
40957816
Circumference
128672773.85268
Area
1.3175389489169E+15
Volume
3.5975678561716E+22
Surface area
5.2701557956678E+15
Circumference
128672773.85268
Perimeter
81915632
Area
419385672872464
Diagonal
28961549.436191
Surface area
2516314037234784
Volume
8.5885606112733E+21
Space diagonal
35470509.139529
Perimeter
61436724
Area
1.8159932334539E+14
Altitude
17735254.569764
Surface area
1.8159932334539E+14
Volume
1.0121715748105E+21
Height
9653849.8120636