72605729 is an odd 8-digits composite number following 72605728
and preceding 72605730 . In scientific notation, it is written as 7.2605729 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 60201792 positive integers (up to 72605729) that are relatively prime to 72605729.
72605729 has 16 divisors, whose sum is 85713408
The reverse of 72605729 is 92750627
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
seventy-two million six hundred five thousand seven hundred twenty-nine
Scientific notation
7.2605729 × 10^7
Engineering notation
7.2605729 × 10^6
Prime Factorization
7 × 197 × 37 × 1423
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
72605729
Product of the distinct prime numbers
The prime factorization of 72605729 is 7 × 197 × 37 × 1423.
Since it has a total of 4 prime factors.
8 , 4 , 97 , 44 , 289 , 590 , 6707 , 7953 , 10461 , 64858 , 77475 , 79322 , 6048029 , 963291 , 34384880 , 50469006 , 969714219 , 660846170 , 5173754691 , 8226558064
n×2
145211458
n×3
217817187
n×4
290422916
n×5
363028645
n÷2
36302864.5
n÷3
24201909.666667
n÷3
18151432.25
n÷5
14521145.8
n2
5271591883621441
n3
3.8274777170082E+23
n4
2.7789680987463E+31
n5
2.0176900467722E+39
2 √n
8520.8995417151
3 √n
417.18014441529
4 √n
92.308718665763
5 √n
37.341707955422
1 , 7 , 37 , 197 , 259 , 1379 , 1423 , 7289 , 9961 , 51023 , 52651 , 280331 , 368557 , 1962317 , 10372247 , 72605729
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
-72605728
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 72605729 can be divided by 16 positive divisors.
The sum of these divisors (counting 72605729) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010100111110000000100001
3
Ternary
12001121202100002
4
Quaternary
10110332000201
5
Quinary
122041340404
6
Senary
11112105345
8
Octal
424760041
10
Decimal
72605729
12
Duodecimal
20395255
16
Hexadecimal
453e021
20
Vigesimal
12dfe69
36
Base36
1786xt
md5
3354af90a1a93fc84550a3245b9bad09
sha1
2f3f3cae826050f9bb4b0addee7fa82d102c49f4
sha256
f7ecfd84344b2db231485fc24ec5e64862e9517aea22576eb1a5464304c4b016
sha512
05a79a5830858d1568284cec31f5ef946ef4c0053a3a079c6ea61f9670cf1ccd9e881d1c9198ebdfc5684bb9f1bc571cfda3c04ed621dc6c8f15c4c8cc81c18e
ripemd-160
d624226f88b20de418cf5d223854dea4604687b2
Diameter
145211458
Circumference
456195249.66986
Area
1.6561194334309E+16
Volume
1.6032501170042E+24
Surface area
6.6244777337235E+16
Circumference
456195249.66986
Perimeter
290422916
Area
5271591883621441
Diagonal
102680006.65779
Surface area
31629551301728646
Volume
3.8274777170082E+23
Space diagonal
125756811.54858
Perimeter
217817187
Area
2.2826662448E+15
Altitude
62878405.774289
Surface area
2.2826662448E+15
Volume
4.5107257475615E+22
Height
34226668.885929