72642908 is an even 8-digits composite number following 72642907
and preceding 72642909 . In scientific notation, it is written as 7.2642908 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 33527472 positive integers (up to 72642908) that are relatively prime to 72642908.
72642908 has 12 divisors, whose sum is 136904040
The reverse of 72642908 is 80924627
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
seventy-two million six hundred forty-two thousand nine hundred eight
Scientific notation
7.2642908 × 10^7
Engineering notation
7.2642908 × 10^6
Prime Factorization
2 × 2 × 13 × 1396979
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
36321454
Product of the distinct prime numbers
The prime factorization of 72642908 is 2 × 2 × 13 × 1396979.
Since it has a total of 4 prime factors.
4 , 2 , 28 , 37 , 482 , 707 , 5 , 5993 , 42185 , 78319 , 236423 , 29221 , 911823 , 1729204 , 93664002 , 43961769 , 211779421 , 606563712 , 4272539755 , 3808536886
n×2
145285816
n×3
217928724
n×4
290571632
n×5
363214540
n÷2
36321454
n÷3
24214302.666667
n÷3
18160727
n÷5
14528581.6
n2
5276992082696464
n3
3.8333605038005E+23
n4
2.7846645440841E+31
n5
2.0228613028676E+39
2 √n
8523.0808983606
3 √n
417.25134033013
4 √n
92.320533460117
5 √n
37.345531463842
1 , 2 , 4 , 13 , 26 , 52 , 1396979 , 2793958 , 5587916 , 18160727 , 36321454 , 72642908
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72642907
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72642908 can be divided by 12 positive divisors.
The sum of these divisors (counting 72642908) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100010101000111000101011100
3
Ternary
12001200122100002
4
Quaternary
10111013011130
5
Quinary
122044033113
6
Senary
11112553432
8
Octal
425070534
10
Decimal
72642908
12
Duodecimal
203b2878
16
Hexadecimal
454715c
20
Vigesimal
12e0758
36
Base36
178zmk
md5
07d04b2fe68d092b0239f2e2ce52d84b
sha1
27fade665f3f47d28a7212b31aee1e34db07acd2
sha256
c2bd2301604f7d9e6b2b2d8fa8e156bac5a34da9bdb4b924ae0c3214b32461b9
sha512
e815c59be0d9204c033d2bf61a3d5eb0ab4c1a9d212508e1e766b9e29e4ba3abc9855acf4a20f52d24f9b745d8fde962e1d79ec74664ecb88f49ab25ae43bc2c
ripemd-160
2718a0f01d46f343d68cd76d87f1e83c77349f2c
Diameter
145285816
Circumference
456428852.2164
Area
1.6578159560051E+16
Volume
1.6057142929734E+24
Surface area
6.6312638240203E+16
Circumference
456428852.2164
Perimeter
290571632
Area
5276992082696464
Diagonal
102732585.70382
Surface area
31661952496178784
Volume
3.8333605038005E+23
Space diagonal
125821207.46555
Perimeter
217928724
Area
2.2850045995922E+15
Altitude
62910603.732776
Surface area
2.2850045995922E+15
Volume
4.5176586782833E+22
Height
34244195.234607