72920131 is an odd 8-digits composite number following 72920130
and preceding 72920132 . In scientific notation, it is written as 7.2920131 × 10^7.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 71224272 positive integers (up to 72920131) that are relatively prime to 72920131.
72920131 has 4 divisors, whose sum is 74615992
The reverse of 72920131 is 13102927
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
seventy-two million nine hundred twenty thousand one hundred thirty-one
Scientific notation
7.2920131 × 10^7
Engineering notation
7.2920131 × 10^6
Prime Factorization
43 × 1695817
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
72920131
Product of the distinct prime numbers
The prime factorization of 72920131 is 43 × 1695817.
Since it has a total of 2 prime factors.
9 , 5 , 24 , 19 , 652 , 655 , 3964 , 8429 , 255 , 72500 , 143620 , 869784 , 4407195 , 6953177 , 21629785 , 29546918 , 669045387 , 845651747 , 7818710317 , 878812240
n×2
145840262
n×3
218760393
n×4
291680524
n×5
364600655
n÷2
36460065.5
n÷3
24306710.333333
n÷3
18230032.75
n÷5
14584026.2
n2
5317345505057161
n3
3.8774153080103E+23
n4
2.8274163220152E+31
n5
2.0617556859288E+39
2 √n
8539.3284864795
3 √n
417.78144408899
4 √n
92.408487091173
5 √n
37.373991977762
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
-72920130
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 72920131 can be divided by 4 positive divisors.
The sum of these divisors (counting 72920131) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010110001010110001000011
3
Ternary
12002012201121121
4
Quaternary
10112022301003
5
Quinary
122131421011
6
Senary
11122533111
8
Octal
426126103
10
Decimal
72920131
12
Duodecimal
20507197
16
Hexadecimal
458ac43
20
Vigesimal
12ff06b
36
Base36
17exj7
md5
11e7dbc1ac3916877859993c92615d46
sha1
a6685822b44737577414f946e3e5a7a701972bdd
sha256
184a92a0d4a3080b8299751122312711e2bf79f1b23b881d666e969104836eef
sha512
586b6c9c184ccb2ec11ad3a69b1068cf64e813ddc62173e2f2c83f9bba83955c5c42535678e82dfb4bd201c2f4be2c3d7800163de8e50acd9e99fe231c504171
ripemd-160
9ad98ceaef137b184a671c50a81d3e8dd5450ae4
Diameter
145840262
Circumference
458170695.69681
Area
1.6704933575286E+16
Volume
1.6241679262082E+24
Surface area
6.6819734301145E+16
Circumference
458170695.69681
Perimeter
291680524
Area
5317345505057161
Diagonal
103124638.23022
Surface area
31904073030342966
Volume
3.8774153080103E+23
Space diagonal
126301371.78658
Perimeter
218760393
Area
2.3024781440392E+15
Altitude
63150685.893289
Surface area
2.3024781440392E+15
Volume
4.569577762951E+22
Height
34374879.410074