72642905 is an odd 8-digits composite number following 72642904
and preceding 72642906 . In scientific notation, it is written as 7.2642905 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 57898800 positive integers (up to 72642905) that are relatively prime to 72642905.
72642905 has 8 divisors, whose sum is 87494784
The reverse of 72642905 is 50924627
Previous prime number is 271
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
seventy-two million six hundred forty-two thousand nine hundred five
Scientific notation
7.2642905 × 10^7
Engineering notation
7.2642905 × 10^6
Prime Factorization
5 × 271 × 53611
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
72642905
Product of the distinct prime numbers
The prime factorization of 72642905 is 5 × 271 × 53611.
Since it has a total of 3 prime factors.
4 , 1 , 46 , 96 , 295 , 156 , 2079 , 2645 , 50778 , 38146 , 445444 , 314877 , 4053522 , 1233149 , 68158653 , 63404675 , 736182628 , 208158056 , 2544069882 , 8452364004
n×2
145285810
n×3
217928715
n×4
290571620
n×5
363214525
n÷2
36321452.5
n÷3
24214301.666667
n÷3
18160726.25
n÷5
14528581
n2
5276991646839025
n3
3.8333600288712E+23
n4
2.7846640840809E+31
n5
2.022860885168E+39
2 √n
8523.0807223679
3 √n
417.25133458626
4 √n
92.320532506956
5 √n
37.345531155383
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
-72642904
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 72642905 can be divided by 8 positive divisors.
The sum of these divisors (counting 72642905) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010101000111000101011001
3
Ternary
12001200122022222
4
Quaternary
10111013011121
5
Quinary
122044033110
6
Senary
11112553425
8
Octal
425070531
10
Decimal
72642905
12
Duodecimal
203b2875
16
Hexadecimal
4547159
20
Vigesimal
12e0755
36
Base36
178zmh
md5
75a2951a9607aa7acaae73416adbfd8e
sha1
a068134e403259ac1d05f9ce6a7566b223c787d1
sha256
d6709d53938b2a4b2c4f3e89b4ceef8701cf2314f7103d2dab375af7c38328a8
sha512
b9a2bf8917f059f89027731367841f87923ec191bc0af5c80526aed7917b220acf5fd69d8240358091d05408d81a9b8924f875ee961a0870f6e406201a8166bf
ripemd-160
310fe285a52051139695faa8df9a9d9d7c2506c3
Diameter
145285810
Circumference
456428833.36684
Area
1.6578158190764E+16
Volume
1.6057140940355E+24
Surface area
6.6312632763057E+16
Circumference
456428833.36684
Perimeter
290571620
Area
5276991646839025
Diagonal
102732581.46118
Surface area
31661949881034150
Volume
3.8333600288712E+23
Space diagonal
125821202.2694
Perimeter
217928715
Area
2.2850044108604E+15
Altitude
62910601.1347
Surface area
2.2850044108604E+15
Volume
4.5176581185738E+22
Height
34244193.820393