72188897 is an odd 8-digits composite number following 72188896
and preceding 72188898 . In scientific notation, it is written as 7.2188897 × 10^7.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 64726560 positive integers (up to 72188897) that are relatively prime to 72188897.
72188897 has 8 divisors, whose sum is 79831200
The reverse of 72188897 is 79888127
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
seventy-two million one hundred eighty-eight thousand eight hundred ninety-seven
Scientific notation
7.2188897 × 10^7
Engineering notation
7.2188897 × 10^6
Prime Factorization
11 × 73 × 89899
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
72188897
Product of the distinct prime numbers
The prime factorization of 72188897 is 11 × 73 × 89899.
Since it has a total of 3 prime factors.
9 , 5 , 68 , 27 , 788 , 389 , 6915 , 8628 , 99283 , 8954 , 444454 , 283414 , 1583123 , 7670950 , 39501544 , 27721906 , 26743143 , 817609997 , 1249037957 , 8157818785
n×2
144377794
n×3
216566691
n×4
288755588
n×5
360944485
n÷2
36094448.5
n÷3
24062965.666667
n÷3
18047224.25
n÷5
14437779.4
n2
5211236850076609
n3
3.7619344021278E+23
n4
2.7156989507596E+31
n5
1.960433118394E+39
2 √n
8496.4049456226
3 √n
416.38026319821
4 √n
92.17594559115
5 √n
37.298733146598
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
-72188896
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 72188897 can be divided by 8 positive divisors.
The sum of these divisors (counting 72188897) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010011011000001111100001
3
Ternary
12000211120112212
4
Quaternary
10103120033201
5
Quinary
121440021042
6
Senary
11055131505
8
Octal
423301741
10
Decimal
72188897
12
Duodecimal
20213b95
16
Hexadecimal
44d83e1
20
Vigesimal
12b3c4h
36
Base36
16z9b5
md5
4789e6d88dc8af3bc1c83928de708cf9
sha1
21bef90f8c4227cf396cdc43150df500bf9ef917
sha256
ff1de8cf866fef09774c92224b11b6c0f8a64aa398acf555a64c7b469623b0d0
sha512
7c5285a68a59cc260600f83be9a6107156e2438cd3c89b10776459af8697068e1c0a48bdfab4523656eb65111513bc2092a5211a3445981443f1809593f6f04a
ripemd-160
8373f11d87d036302903daab4299589dbe62845b
Diameter
144377794
Circumference
453576216.9719
Area
1.6371583404317E+16
Volume
1.5757953974682E+24
Surface area
6.5486333617268E+16
Circumference
453576216.9719
Perimeter
288755588
Area
5211236850076609
Diagonal
102090517.19015
Surface area
31267421100459654
Volume
3.7619344021278E+23
Space diagonal
125034837.34636
Perimeter
216566691
Area
2.256531748652E+15
Altitude
62517418.673178
Surface area
2.256531748652E+15
Volume
4.4334822102059E+22
Height
34030172.396718