20155208 is an even 8-digits composite number following 20155207
and preceding 20155209 . In scientific notation, it is written as 2.0155208 × 10^7.
The sum of its digits is 23. It has a total of 6 prime factors and 32 positive divisors.
There are 9599040 positive integers (up to 20155208) that are relatively prime to 20155208.
20155208 has 32 divisors, whose sum is 39624960
The reverse of 20155208 is 80255102
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million one hundred fifty-five thousand two hundred eight
Scientific notation
2.0155208 × 10^7
Engineering notation
2.0155208 × 10^6
Prime Factorization
2 × 2 × 2 × 67 × 31 × 1213
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5038802
Product of the distinct prime numbers
The prime factorization of 20155208 is 2 × 2 × 2 × 67 × 31 × 1213.
Since it has a total of 6 prime factors.
1 , 8 , 69 , 73 , 642 , 878 , 7023 , 567 , 79141 , 66885 , 353195 , 368287 , 3632090 , 5943590 , 89398616 , 88474298 , 314833896 , 875452039 , 1970509308 , 8276380026
n×2
40310416
n×3
60465624
n×4
80620832
n×5
100776040
n÷2
10077604
n÷3
6718402.6666667
n÷3
5038802
n÷5
4031041.6
n2
406232409523264
n3
8.1876987102826E+21
n4
1.6502477054708E+29
n5
3.3261085755286E+36
2 √n
4489.4552008011
3 √n
272.14211863737
4 √n
67.003396934791
5 √n
28.898643459527
1 , 2 , 4 , 8 , 31 , 62 , 67 , 124 , 134 , 248 , 268 , 536 , 1213 , 2077 , 2426 , 4154 , 4852 , 8308 , 9704 , 16616 , 37603 , 75206 , 81271 , 150412 , 162542 , 300824 , 325084 , 650168 , 2519401 , 5038802 , 10077604 , 20155208
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
-20155207
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 20155208 can be divided by 32 positive divisors.
The sum of these divisors (counting 20155208) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100111000101101001000
3
Ternary
1101220222202012
4
Quaternary
1030320231020
5
Quinary
20124431313
6
Senary
1555555052
8
Octal
114705510
10
Decimal
20155208
12
Duodecimal
68bba88
16
Hexadecimal
1338b48
20
Vigesimal
65j808
36
Base36
bzzuw
md5
133a798f9c626e6c3c310c8b73fefe5a
sha1
0fa059bc53c635d491f0ae26491fabdcffaec878
sha256
1396a1090a7bca905d6e3015fa9fbeeefeed52158cb9252c2e1c3dfee2874e38
sha512
20ac6b0449d79f57275728cc1f36e74df0d3ab89b911824b0db0dc54e71783e0164d3c574432365419547bfa3d4d4f4ef425dcea00d188427f909b5c3a4c24a4
ripemd-160
80749a43af5ea16efc1cefdd37ffb6f32cf8934a
Diameter
40310416
Circumference
126638906.76875
Area
1.2762167534084E+15
Volume
3.4296552157374E+22
Surface area
5.1048670136335E+15
Circumference
126638906.76875
Perimeter
80620832
Area
406232409523264
Diagonal
28503768.506051
Surface area
2437394457139584
Volume
8.1876987102826E+21
Space diagonal
34909844.293119
Perimeter
60465624
Area
1.7590379324386E+14
Altitude
17454922.146559
Surface area
1.7590379324386E+14
Volume
9.6492954672553E+20
Height
9501256.1686836