20103815 is an odd 8-digits composite number following 20103814
and preceding 20103816 . In scientific notation, it is written as 2.0103815 × 10^7.
The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors.
There are 15528352 positive integers (up to 20103815) that are relatively prime to 20103815.
20103815 has 4 divisors, whose sum is 20242608
The reverse of 20103815 is 51830102
Previous prime number is 145
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million one hundred three thousand eight hundred fifteen
Scientific notation
2.0103815 × 10^7
Engineering notation
2.0103815 × 10^6
Prime Factorization
145 × 138647
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20103815
Product of the distinct prime numbers
The prime factorization of 20103815 is 145 × 138647.
Since it has a total of 2 prime factors.
7 , 6 , 75 , 32 , 791 , 325 , 5312 , 9502 , 70620 , 94817 , 168319 , 173044 , 258014 , 9566658 , 63977629 , 98384853 , 799969497 , 644025142 , 5304440314 , 3556417822
n×2
40207630
n×3
60311445
n×4
80415260
n×5
100519075
n÷2
10051907.5
n÷3
6701271.6666667
n÷3
5025953.75
n÷5
4020763
n2
404163377554225
n3
8.1252257721253E+21
n4
1.6334803575604E+29
n5
3.2839186914528E+36
2 √n
4483.7278017293
3 √n
271.91061347009
4 √n
66.96064367768
5 √n
28.883890894187
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20103814
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20103815 can be divided by 4 positive divisors.
The sum of these divisors (counting 20103815) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100101100001010000111
3
Ternary
1101211101020202
4
Quaternary
1030230022013
5
Quinary
20121310230
6
Senary
1554521115
8
Octal
114541207
10
Decimal
20103815
12
Duodecimal
689619b
16
Hexadecimal
132c287
20
Vigesimal
65cjaf
36
Base36
byw7b
md5
51da9a611888469994a687b7a1b99ed7
sha1
47fa3a60932cfd3d77a40f259db8c71287d4604f
sha256
31a2e47b7d5397b85d05d27778348e090c89ef7cd10d702dfb37025499135e62
sha512
8cea08e8bc3d26f51f7913a04d2c277044b890656ff27677e1ecd426507a6e65f2a4286bc5f5b7531bd7de04b760666cd59f66cbba6fcd36d50d07f8188e2384
ripemd-160
60867cc927c9c9429c9402583c4428caf777093c
Diameter
40207630
Circumference
126315995.02626
Area
1.2697166977744E+15
Volume
3.4034866125956E+22
Surface area
5.0788667910976E+15
Circumference
126315995.02626
Perimeter
80415260
Area
404163377554225
Diagonal
28431087.82844
Surface area
2424980265325350
Volume
8.1252257721253E+21
Space diagonal
34820829.005965
Perimeter
60311445
Area
1.7500787612064E+14
Altitude
17410414.502983
Surface area
1.7500787612064E+14
Volume
9.5756704035692E+20
Height
9477029.2761466