72643105 is an odd 8-digits composite number following 72643104
and preceding 72643106 . In scientific notation, it is written as 7.2643105 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 58114480 positive integers (up to 72643105) that are relatively prime to 72643105.
72643105 has 4 divisors, whose sum is 87171732
The reverse of 72643105 is 50134627
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
seventy-two million six hundred forty-three thousand one hundred five
Scientific notation
7.2643105 × 10^7
Engineering notation
7.2643105 × 10^6
Prime Factorization
5 × 14528621
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
72643105
Product of the distinct prime numbers
The prime factorization of 72643105 is 5 × 14528621.
Since it has a total of 2 prime factors.
4 , 4 , 100 , 89 , 969 , 779 , 8164 , 8576 , 8005 , 33852 , 564084 , 404788 , 4692600 , 7126996 , 41622687 , 1089549 , 452098213 , 779518524 , 8342401191 , 8949919616
n×2
145286210
n×3
217929315
n×4
290572420
n×5
363215525
n÷2
36321552.5
n÷3
24214368.333333
n÷3
18160776.25
n÷5
14528621
n2
5277020704041025
n3
3.8333916909083E+23
n4
2.7846947510878E+31
n5
2.0228887319622E+39
2 √n
8523.0924552066
3 √n
417.25171751051
4 √n
92.320596050971
5 √n
37.345551719258
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
-72643104
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 72643105 can be divided by 4 positive divisors.
The sum of these divisors (counting 72643105) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010101000111001000100001
3
Ternary
12001200122121101
4
Quaternary
10111013020201
5
Quinary
122044034410
6
Senary
11112554401
8
Octal
425071041
10
Decimal
72643105
12
Duodecimal
203b2a01
16
Hexadecimal
4547221
20
Vigesimal
12e07f5
36
Base36
178zs1
md5
701271232034395e34b8bc1fed30025f
sha1
074b060061d1e34bcdecf7a0dd44acf9c53b4bc4
sha256
c2c9a415415ddef29be4ba7b0d7d45612611c82393431d3d777a2581ffae0085
sha512
8c3b422533b19b001e9a92fbc84624be622a18ea4373262536fb101d95086e86a54166276da35d0f109a9487b1a2359c7765367165473f3423f5de5dd9ce7613
ripemd-160
fa93b29d1002739f3499265356b5506b6300cba0
Diameter
145286210
Circumference
456430090.0039
Area
1.6578249476657E+16
Volume
1.6057273565986E+24
Surface area
6.6312997906626E+16
Circumference
456430090.0039
Perimeter
290572420
Area
5277020704041025
Diagonal
102732864.30389
Surface area
31662124224246150
Volume
3.8333916909083E+23
Space diagonal
125821548.67956
Perimeter
217929315
Area
2.285016992998E+15
Altitude
62910774.33978
Surface area
2.285016992998E+15
Volume
4.5176954326423E+22
Height
34244288.101298