20120903 is an odd 8-digits composite number following 20120902
and preceding 20120904 . In scientific notation, it is written as 2.0120903 × 10^7.
The sum of its digits is 17. It has a total of 3 prime factors and 8 positive divisors.
There are 18033400 positive integers (up to 20120903) that are relatively prime to 20120903.
20120903 has 8 divisors, whose sum is 22260096
The reverse of 20120903 is 30902102
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty million one hundred twenty thousand nine hundred three
Scientific notation
2.0120903 × 10^7
Engineering notation
2.0120903 × 10^6
Prime Factorization
11 × 71 × 25763
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20120903
Product of the distinct prime numbers
The prime factorization of 20120903 is 11 × 71 × 25763.
Since it has a total of 3 prime factors.
6 , 4 , 48 , 53 , 590 , 182 , 8443 , 4532 , 3130 , 6472 , 780682 , 911131 , 4756030 , 982518 , 60639872 , 14374227 , 363664168 , 340741550 , 6893881052 , 7733625641
n×2
40241806
n×3
60362709
n×4
80483612
n×5
100604515
n÷2
10060451.5
n÷3
6706967.6666667
n÷3
5030225.75
n÷5
4024180.6
n2
404850737535409
n3
8.1459624194284E+21
n4
1.6390411968296E+29
n5
3.2978988934413E+36
2 √n
4485.6329542217
3 √n
271.98763189869
4 √n
66.974868079166
5 √n
28.888799417295
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
-20120902
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 20120903 can be divided by 8 positive divisors.
The sum of these divisors (counting 20120903) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110000010101000111
3
Ternary
1101212020200122
4
Quaternary
1030300111013
5
Quinary
20122332103
6
Senary
1555132155
8
Octal
114602507
10
Decimal
20120903
12
Duodecimal
68a405b
16
Hexadecimal
1330547
20
Vigesimal
65f253
36
Base36
bz9dz
md5
6ee069d778f5366fea7f8699f0de9aa1
sha1
65fdbc37de87eeeb21c1d80b9adb2feec1bd2655
sha256
54022df2f9267d19817ddbea00be1a9e5780080df7abb7f5ffc21104c6f2d804
sha512
be23c47d397193250bbb6c0a5ee30c932eb377b51bcb71fb5b216403964f9b42d0695884a3e7d4156f9d40a117a167ccf92fa4dbdaf1ee0186f42a5a16c556c1
ripemd-160
b4917f7bef956cbe9c4af731fa259ec7c3d14013
Diameter
40241806
Circumference
126423362.09679
Area
1.2718761028417E+15
Volume
3.412172759106E+22
Surface area
5.0875044113666E+15
Circumference
126423362.09679
Perimeter
80483612
Area
404850737535409
Diagonal
28455253.909793
Surface area
2429104425212454
Volume
8.1459624194284E+21
Space diagonal
34850426.290165
Perimeter
60362709
Area
1.7530551172327E+14
Altitude
17425213.145083
Surface area
1.7530551172327E+14
Volume
9.600108776781E+20
Height
9485084.6365978