72189915 is an odd 8-digits composite number following 72189914
and preceding 72189916 . In scientific notation, it is written as 7.2189915 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 33001056 positive integers (up to 72189915) that are relatively prime to 72189915.
72189915 has 8 divisors, whose sum is 99003456
The reverse of 72189915 is 51998127
Previous prime number is 35
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
seventy-two million one hundred eighty-nine thousand nine hundred fifteen
Scientific notation
7.2189915 × 10^7
Engineering notation
7.2189915 × 10^6
Prime Factorization
3 × 35 × 687523
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
72189915
Product of the distinct prime numbers
The prime factorization of 72189915 is 3 × 35 × 687523.
Since it has a total of 3 prime factors.
8 , 4 , 98 , 100 , 28 , 1 , 7511 , 4214 , 31783 , 96221 , 3082 , 490298 , 8943923 , 2042004 , 44656739 , 68189278 , 573117053 , 137547087 , 3469183460 , 8353932502
n×2
144379830
n×3
216569745
n×4
288759660
n×5
360949575
n÷2
36094957.5
n÷3
24063305
n÷3
18047478.75
n÷5
14437983
n2
5211383827707225
n3
3.7620935555456E+23
n4
2.7158521399688E+31
n5
1.9605713513692E+39
2 √n
8496.4648531021
3 √n
416.38222043879
4 √n
92.176270553229
5 √n
37.298838342543
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72189914
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72189915 can be divided by 8 positive divisors.
The sum of these divisors (counting 72189915) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010011011000011111011011
3
Ternary
12000211121221120
4
Quaternary
10103120133123
5
Quinary
121440034130
6
Senary
11055140323
8
Octal
423303733
10
Decimal
72189915
12
Duodecimal
202146a3
16
Hexadecimal
44d87db
20
Vigesimal
12b3eff
36
Base36
16za3f
md5
e160ac4dcba238fb97a1a5a4006f1c3b
sha1
243e7ce885559b36533599d676064e6a21ca0b2f
sha256
61e016167dfd85478ce1178e24754e8fed7910ed445cde66d24befbd26862dc8
sha512
2a72f5f3c725fd12ad44a6db2e89fe0cb371969aeb5c505d1da1974f3aadd8955209cb37bd11555c0d207baa62f1bddc448b28b5bfc7f33e5f7fe5ffc1878a5d
ripemd-160
c8ca2e1a45062dea16891a16839936c7f1de4b86
Diameter
144379830
Circumference
453582613.25454
Area
1.6372045148162E+16
Volume
1.5758620634959E+24
Surface area
6.5488180592647E+16
Circumference
453582613.25454
Perimeter
288759660
Area
5211383827707225
Diagonal
102091956.85956
Surface area
31268302966243350
Volume
3.7620935555456E+23
Space diagonal
125036600.57408
Perimeter
216569745
Area
2.2565953918329E+15
Altitude
62518300.287039
Surface area
2.2565953918329E+15
Volume
4.4336697743075E+22
Height
34030652.28652