72189972 is an even 8-digits composite number following 72189971
and preceding 72189973 . In scientific notation, it is written as 7.2189972 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 24063312 positive integers (up to 72189972) that are relatively prime to 72189972.
72189972 has 12 divisors, whose sum is 140369460
The reverse of 72189972 is 27998127
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
seventy-two million one hundred eighty-nine thousand nine hundred seventy-two
Scientific notation
7.2189972 × 10^7
Engineering notation
7.2189972 × 10^6
Prime Factorization
2 × 2 × 9 × 2005277
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
36094986
Product of the distinct prime numbers
The prime factorization of 72189972 is 2 × 2 × 9 × 2005277.
Since it has a total of 4 prime factors.
8 , 7 , 60 , 17 , 112 , 35 , 5531 , 7416 , 90478 , 3488 , 164796 , 251146 , 5706289 , 3046797 , 29811492 , 3468379 , 40681951 , 593289100 , 4205357371 , 8297831230
n×2
144379944
n×3
216569916
n×4
288759888
n×5
360949860
n÷2
36094986
n÷3
24063324
n÷3
18047493
n÷5
14437994.4
n2
5211392057360784
n3
3.762102467019E+23
n4
2.7158607175523E+31
n5
1.96057909156E+39
2 √n
8496.4682074377
3 √n
416.38233002834
4 √n
92.176288748451
5 √n
37.298844232654
1 , 2 , 4 , 9 , 18 , 36 , 2005277 , 4010554 , 8021108 , 18047493 , 36094986 , 72189972
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
-72189971
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 72189972 can be divided by 12 positive divisors.
The sum of these divisors (counting 72189972) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100010011011000100000010100
3
Ternary
12000211122000200
4
Quaternary
10103120200110
5
Quinary
121440034342
6
Senary
11055140500
8
Octal
423304024
10
Decimal
72189972
12
Duodecimal
20214730
16
Hexadecimal
44d8814
20
Vigesimal
12b3eic
36
Base36
16za50
md5
f1d0e183ed2fee24a76bd65d3d310dd1
sha1
3a875dc992d8d0b0f5d622f83aab8bd70f3aa9ab
sha256
2e88fb4a7f6a6724005ccea605440b9dc7a248304355739a7acf29ec1ae25382
sha512
a5f871264b84d66e4f90dca85529eabc70e3628f6f42183fc324c1837b7c9769bff3c59dbbe288bf1e23baefbe38118a7379173c23e6840de2d9ecabcfca2eea
ripemd-160
958ecbc7423af8eb44b1564d765d3cb16f5d3854
Diameter
144379944
Circumference
453582971.39611
Area
1.6372071002381E+16
Volume
1.5758657963252E+24
Surface area
6.5488284009523E+16
Circumference
453582971.39611
Perimeter
288759888
Area
5211392057360784
Diagonal
102092037.46973
Surface area
31268352344164704
Volume
3.762102467019E+23
Space diagonal
125036699.30097
Perimeter
216569916
Area
2.2565989553774E+15
Altitude
62518349.650487
Surface area
2.2565989553774E+15
Volume
4.4336802765796E+22
Height
34030679.156578