72645912 is an even 8-digits composite number following 72645911
and preceding 72645913 . In scientific notation, it is written as 7.2645912 × 10^7.
The sum of its digits is 36. It has a total of 6 prime factors and 32 positive divisors.
There are 24148800 positive integers (up to 72645912) that are relatively prime to 72645912.
72645912 has 32 divisors, whose sum is 151761600
The reverse of 72645912 is 21954627
Previous prime number is 431
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
seventy-two million six hundred forty-five thousand nine hundred twelve
Scientific notation
7.2645912 × 10^7
Engineering notation
7.2645912 × 10^6
Prime Factorization
2 × 2 × 2 × 9 × 431 × 2341
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
18161478
Product of the distinct prime numbers
The prime factorization of 72645912 is 2 × 2 × 2 × 9 × 431 × 2341.
Since it has a total of 6 prime factors.
10 , 9 , 82 , 66 , 338 , 125 , 9364 , 5755 , 44452 , 94834 , 744924 , 533406 , 2920803 , 3087895 , 62440227 , 46547893 , 538499411 , 933126408 , 1785306750 , 6155285429
n×2
145291824
n×3
217937736
n×4
290583648
n×5
363229560
n÷2
36322956
n÷3
24215304
n÷3
18161478
n÷5
14529182.4
n2
5277428530311744
n3
3.8338360859932E+23
n4
2.7851251892548E+31
n5
2.0232795940759E+39
2 √n
8523.2571238934
3 √n
417.25709177825
4 √n
92.321487877381
5 √n
37.345840328461
1 , 2 , 4 , 8 , 9 , 18 , 36 , 72 , 431 , 862 , 1724 , 2341 , 3448 , 3879 , 4682 , 7758 , 9364 , 15516 , 18728 , 21069 , 31032 , 42138 , 84276 , 168552 , 1008971 , 2017942 , 4035884 , 8071768 , 9080739 , 18161478 , 36322956 , 72645912
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72645911
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72645912 can be divided by 32 positive divisors.
The sum of these divisors (counting 72645912) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100010101000111110100011000
3
Ternary
12001200210110100
4
Quaternary
10111013310120
5
Quinary
122044132122
6
Senary
11113015400
8
Octal
425076430
10
Decimal
72645912
12
Duodecimal
203b4560
16
Hexadecimal
4547d18
20
Vigesimal
12e0efc
36
Base36
1791y0
md5
8628096ae8cb9cf29f6890c218dd7a0a
sha1
709d872f9b9c887f5ec7aea2ceda4f38f0877f1c
sha256
e07dbababfa482c72e9e641e5c9b789b2aad68e0751c0cc924728bb60f4eab3c
sha512
7292103f9c402e9d542653ca4a655689b6bfca9b03d2d254792bd0058b74d8728bd52024cfae3403b7aa990c873a60e4e6c5c08799842e9069434e8a73ff84ba
ripemd-160
14bc5b4b1f20bc8f3862863e5e8235c11347211f
Diameter
145291824
Circumference
456447726.90506
Area
1.6579530700673E+16
Volume
1.6059135043765E+24
Surface area
6.631812280269E+16
Circumference
456447726.90506
Perimeter
290583648
Area
5277428530311744
Diagonal
102736834.00136
Surface area
31664571181870464
Volume
3.8338360859932E+23
Space diagonal
125826410.54618
Perimeter
217937736
Area
2.2851935869534E+15
Altitude
62913205.273089
Surface area
2.2851935869534E+15
Volume
4.5182191572724E+22
Height
34245611.333787