72920145 is an odd 8-digits composite number following 72920144
and preceding 72920146 . In scientific notation, it is written as 7.2920145 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 38822784 positive integers (up to 72920145) that are relatively prime to 72920145.
72920145 has 16 divisors, whose sum is 116876160
The reverse of 72920145 is 54102927
Previous prime number is 617
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
seventy-two million nine hundred twenty thousand one hundred forty-five
Scientific notation
7.2920145 × 10^7
Engineering notation
7.2920145 × 10^6
Prime Factorization
5 × 3 × 617 × 7879
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
72920145
Product of the distinct prime numbers
The prime factorization of 72920145 is 5 × 3 × 617 × 7879.
Since it has a total of 4 prime factors.
1 , 5 , 83 , 69 , 312 , 944 , 9805 , 7835 , 60080 , 76933 , 185258 , 199484 , 1351120 , 5362538 , 84752947 , 12505471 , 862199107 , 378028886 , 2512196930 , 7529312824
n×2
145840290
n×3
218760435
n×4
291680580
n×5
364600725
n÷2
36460072.5
n÷3
24306715
n÷3
18230036.25
n÷5
14584029
n2
5317347546821025
n3
3.8774175412958E+23
n4
2.8274184933684E+31
n5
2.061757665121E+39
2 √n
8539.329306216
3 √n
417.78147082573
4 √n
92.408491526569
5 √n
37.373993412855
1 , 3 , 5 , 15 , 617 , 1851 , 3085 , 7879 , 9255 , 23637 , 39395 , 118185 , 4861343 , 14584029 , 24306715 , 72920145
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72920144
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72920145 can be divided by 16 positive divisors.
The sum of these divisors (counting 72920145) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010110001010110001010001
3
Ternary
12002012201122010
4
Quaternary
10112022301101
5
Quinary
122131421040
6
Senary
11122533133
8
Octal
426126121
10
Decimal
72920145
12
Duodecimal
205071a9
16
Hexadecimal
458ac51
20
Vigesimal
12ff075
36
Base36
17exjl
md5
00b5f3b27f877a88cb8cfdd6a701c678
sha1
fd28b1a279fb67a20c776b65521965d7b43c9b33
sha256
13c1a86865e596007269667dee4a003d6570568aba28406707a955c921f8cf48
sha512
05d26eca253a7f5fa35a31e57c6ba30b8c2d011507312f49c78f350c6abf4869b323ccf79eb3585f47a95e0999bd3dd2ef3e8bd8c369fc41495751508ed9144a
ripemd-160
114ac98d21ec4f018058bea15898775e45334e91
Diameter
145840290
Circumference
458170783.6614
Area
1.6704939989677E+16
Volume
1.6241688616847E+24
Surface area
6.6819759958707E+16
Circumference
458170783.6614
Perimeter
291680580
Area
5317347546821025
Diagonal
103124658.02921
Surface area
31904085280926150
Volume
3.8774175412958E+23
Space diagonal
126301396.03529
Perimeter
218760435
Area
2.3024790281489E+15
Altitude
63150698.017645
Surface area
2.3024790281489E+15
Volume
4.5695803949033E+22
Height
34374886.009738