20115813 is an odd 8-digits composite number following 20115812
and preceding 20115814 . In scientific notation, it is written as 2.0115813 × 10^7.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 12704688 positive integers (up to 20115813) that are relatively prime to 20115813.
20115813 has 8 divisors, whose sum is 28232800
The reverse of 20115813 is 31851102
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million one hundred fifteen thousand eight hundred thirteen
Scientific notation
2.0115813 × 10^7
Engineering notation
2.0115813 × 10^6
Prime Factorization
3 × 19 × 352909
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20115813
Product of the distinct prime numbers
The prime factorization of 20115813 is 3 × 19 × 352909.
Since it has a total of 3 prime factors.
6 , 5 , 5 , 51 , 35 , 94 , 1234 , 4115 , 78190 , 87683 , 858284 , 520693 , 1153283 , 779113 , 69268772 , 24697093 , 639242138 , 312220508 , 9812585655 , 1050053867
n×2
40231626
n×3
60347439
n×4
80463252
n×5
100579065
n÷2
10057906.5
n÷3
6705271
n÷3
5028953.25
n÷5
4023162.6
n2
404645932650969
n3
8.1397819124175E+21
n4
1.6373833081097E+29
n5
3.2937296435257E+36
2 √n
4485.0655513604
3 √n
271.96469499237
4 √n
66.970632006578
5 √n
28.887337665102
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
-20115812
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 20115813 can be divided by 8 positive divisors.
The sum of these divisors (counting 20115813) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100101111000101100101
3
Ternary
1101211222201010
4
Quaternary
1030233011211
5
Quinary
20122201223
6
Senary
1555052433
8
Octal
114570545
10
Decimal
20115813
12
Duodecimal
68a1119
16
Hexadecimal
132f165
20
Vigesimal
65e9ad
36
Base36
bz5gl
md5
9a3167dc59269e815527c82a6537b80f
sha1
f976c78f0555cbd98b03fc1b4e3a643d42102169
sha256
08abf5fa070f5b64a39915978d45a40e1cea681cebcf1ef55bd681e247b9033a
sha512
3905d9a2a16bcb7cbb3d4a5fd2342999fd578804c5002b6429abc84893f2fcaec79dcc305229cc5cd276e6cfb681db7e7cce8d707d613d19f413a88834cd3672
ripemd-160
68e138e890ee4d191a2102710c038db9c412a121
Diameter
40231626
Circumference
126391380.68357
Area
1.2712326893213E+15
Volume
3.4095838743832E+22
Surface area
5.0849307572851E+15
Circumference
126391380.68357
Perimeter
80463252
Area
404645932650969
Diagonal
28448055.562761
Surface area
2427875595905814
Volume
8.1397819124175E+21
Space diagonal
34841610.151555
Perimeter
60347439
Area
1.7521682860689E+14
Altitude
17420805.075777
Surface area
1.7521682860689E+14
Volume
9.5928249794167E+20
Height
9482685.187587