20120731 is an odd 8-digits composite number following 20120730
and preceding 20120732 . In scientific notation, it is written as 2.0120731 × 10^7.
The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors.
There are 20067264 positive integers (up to 20120731) that are relatively prime to 20120731.
20120731 has 4 divisors, whose sum is 20174200
The reverse of 20120731 is 13702102
Previous prime number is 379
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 16
Digital Root 7
Name
twenty million one hundred twenty thousand seven hundred thirty-one
Scientific notation
2.0120731 × 10^7
Engineering notation
2.0120731 × 10^6
Prime Factorization
379 × 53089
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20120731
Product of the distinct prime numbers
The prime factorization of 20120731 is 379 × 53089.
Since it has a total of 2 prime factors.
2 , 5 , 7 , 29 , 165 , 263 , 7642 , 2033 , 22194 , 4913 , 873106 , 761557 , 7043998 , 54154 , 10524765 , 22583760 , 610506037 , 556071957 , 2337638065 , 4020467160
n×2
40241462
n×3
60362193
n×4
80482924
n×5
100603655
n÷2
10060365.5
n÷3
6706910.3333333
n÷3
5030182.75
n÷5
4024146.2
n2
404843815974361
n3
8.1457535182336E+21
n4
1.6389851533268E+29
n5
3.2977579383083E+36
2 √n
4485.6137818586
3 √n
271.98685688367
4 √n
66.974724947988
5 √n
28.888750026962
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
-20120730
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 20120731 can be divided by 4 positive divisors.
The sum of these divisors (counting 20120731) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110000010010011011
3
Ternary
1101212020110021
4
Quaternary
1030300102123
5
Quinary
20122330411
6
Senary
1555131311
8
Octal
114602233
10
Decimal
20120731
12
Duodecimal
68a3b37
16
Hexadecimal
133049b
20
Vigesimal
65f1gb
36
Base36
bz997
md5
8b9ff2bf51dbe081b271ff0779b6de27
sha1
b55ac2ce3ff1b2ec80ba49660d48ec457035cb66
sha256
f71ec5594267930be87c51db83565ce7074c7fbe502d13bec709e281025057e3
sha512
9d3fba395c77096398d008a84dab44e737034cd3a9fa83579d25efbb21aeff8a7858fd1cd9752f63f61d6646134821430708df5573e10fc3339afd57fe85f3c9
ripemd-160
5dd6ee2eb7529718f989e4c8132f255c06c9c3a5
Diameter
40241462
Circumference
126422281.38891
Area
1.2718543581163E+15
Volume
3.4120852547781E+22
Surface area
5.0874174324652E+15
Circumference
126422281.38891
Perimeter
80482924
Area
404843815974361
Diagonal
28455010.665061
Surface area
2429062895846166
Volume
8.1457535182336E+21
Space diagonal
34850128.377426
Perimeter
60362193
Area
1.7530251459941E+14
Altitude
17425064.188713
Surface area
1.7530251459941E+14
Volume
9.599862584362E+20
Height
9485003.5550203