72180885 is an odd 8-digits composite number following 72180884
and preceding 72180886 . In scientific notation, it is written as 7.2180885 × 10^7.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 32996928 positive integers (up to 72180885) that are relatively prime to 72180885.
72180885 has 4 divisors, whose sum is 72868428
The reverse of 72180885 is 58808127
Previous prime number is 105
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
seventy-two million one hundred eighty thousand eight hundred eighty-five
Scientific notation
7.2180885 × 10^7
Engineering notation
7.2180885 × 10^6
Prime Factorization
105 × 687437
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
72180885
Product of the distinct prime numbers
The prime factorization of 72180885 is 105 × 687437.
Since it has a total of 2 prime factors.
1 , 7 , 75 , 91 , 17 , 918 , 5791 , 9993 , 25980 , 12573 , 974126 , 471314 , 9948636 , 5062658 , 88371989 , 91099651 , 524135610 , 864072647 , 8771389799 , 7137533986
n×2
144361770
n×3
216542655
n×4
288723540
n×5
360904425
n÷2
36090442.5
n÷3
24060295
n÷3
18045221.25
n÷5
14436177
n2
5210080159383225
n3
3.7606819682522E+23
n4
2.7144935267199E+31
n5
1.9593454508541E+39
2 √n
8495.9334390048
3 √n
416.36485841884
4 √n
92.173387911071
5 √n
37.297905177949
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72180884
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72180885 can be divided by 4 positive divisors.
The sum of these divisors (counting 72180885) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010011010110010010010101
3
Ternary
12000211011120010
4
Quaternary
10103112102111
5
Quinary
121434242020
6
Senary
11055030433
8
Octal
423262225
10
Decimal
72180885
12
Duodecimal
2020b419
16
Hexadecimal
44d6495
20
Vigesimal
12b2c45
36
Base36
16z34l
md5
70b746f16c569cb1ddbc013a99f19aa0
sha1
40f9ff89f7959f5860a0141f011a11586bed6842
sha256
f6c7c1cb201ca0c44d671c633a53b157fdbb4c04f8d011b262db24a8f9728a6e
sha512
6bc697713deb9d646ed27c98c3312a7882d9f2784d291dfa6bdfcd9015c9639361b48da2331f33f842ce5a41a428729ab8e5a28a35aca0fe67b033d605336bcd
ripemd-160
70e057f9207f1ef3e4be39b65550c07fb8f78ef3
Diameter
144361770
Circumference
453525876.09122
Area
1.6367949553332E+16
Volume
1.5752707791932E+24
Surface area
6.5471798213329E+16
Circumference
453525876.09122
Perimeter
288723540
Area
5210080159383225
Diagonal
102079186.51109
Surface area
31260480956299350
Volume
3.7606819682522E+23
Space diagonal
125020960.15529
Perimeter
216542655
Area
2.2560308868896E+15
Altitude
62510480.077643
Surface area
2.2560308868896E+15
Volume
4.4320062027285E+22
Height
34026395.503698