72642172 is an even 8-digits composite number following 72642171
and preceding 72642173 . In scientific notation, it is written as 7.2642172 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 36224496 positive integers (up to 72642172) that are relatively prime to 72642172.
72642172 has 12 divisors, whose sum is 127461880
The reverse of 72642172 is 27124627
Previous prime number is 379
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
seventy-two million six hundred forty-two thousand one hundred seventy-two
Scientific notation
7.2642172 × 10^7
Engineering notation
7.2642172 × 10^6
Prime Factorization
2 × 2 × 379 × 47917
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
36321086
Product of the distinct prime numbers
The prime factorization of 72642172 is 2 × 2 × 379 × 47917.
Since it has a total of 4 prime factors.
1 , 10 , 92 , 64 , 943 , 250 , 5057 , 2589 , 48702 , 49826 , 860438 , 414445 , 5310531 , 5359336 , 22719332 , 83929671 , 635280606 , 54954883 , 8019439284 , 6727753854
n×2
145284344
n×3
217926516
n×4
290568688
n×5
363210860
n÷2
36321086
n÷3
24214057.333333
n÷3
18160543
n÷5
14528434.4
n2
5276885152877584
n3
3.8332439889958E+23
n4
2.784551691666E+31
n5
2.0227588292889E+39
2 √n
8523.0377213761
3 √n
417.24993116287
4 √n
92.320299617019
5 √n
37.345455788395
1 , 2 , 4 , 379 , 758 , 1516 , 47917 , 95834 , 191668 , 18160543 , 36321086 , 72642172
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
-72642171
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 72642172 can be divided by 12 positive divisors.
The sum of these divisors (counting 72642172) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100010101000110111001111100
3
Ternary
12001200121022211
4
Quaternary
10111012321330
5
Quinary
122044022142
6
Senary
11112550204
8
Octal
425067174
10
Decimal
72642172
12
Duodecimal
203b2364
16
Hexadecimal
4546e7c
20
Vigesimal
12e058c
36
Base36
178z24
md5
e0bf643523e1d9d691d33213d94175f7
sha1
f5a3e5ecd748ec9b1cd41d56df94ab4a913162eb
sha256
ce7e7bccdebea97f06b67fb6452864d53e6ff0f62bf0990b3bae8ffa31648590
sha512
488278dcfa62162578b9b123e7bc50ab02028a6d17c074941cb4596e067fcf628849588f5f1426204ab9d13f625d1d96ed3f2f0a02f0025f54e17815645587c7
ripemd-160
0a5b1e3c6fb08166778b41138029349c40a3b025
Diameter
145284344
Circumference
456424227.79201
Area
1.6577823630117E+16
Volume
1.6056654873662E+24
Surface area
6.6311294520469E+16
Circumference
456424227.79201
Perimeter
290568688
Area
5276885152877584
Diagonal
102731544.84264
Surface area
31661310917265504
Volume
3.8332439889958E+23
Space diagonal
125819932.67616
Perimeter
217926516
Area
2.2849582976225E+15
Altitude
62909966.338079
Surface area
2.2849582976225E+15
Volume
4.5175213642692E+22
Height
34243848.28088