72100081 is an odd 8-digits prime number following 72100080
and preceding 72100082 . In scientific notation, it is written as 7.2100081 × 10^7.
The sum of its digits is 19. It has a total of 1 prime factors and 2 positive divisors.
There are 72100080 positive integers (up to 72100081) that are relatively prime to 72100081.
72100081 has 2 divisors, whose sum is 72100082
The reverse of 72100081 is 18000127
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1
Name
seventy-two million one hundred thousand eighty-one
Scientific notation
7.2100081 × 10^7
Engineering notation
7.2100081 × 10^6
Prime Factorization
72100081
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
72100081
Product of the distinct prime numbers
The prime factorization of 72100081 is 72100081.
Since it has a total of 1 prime factors.
2 , 8 , 11 , 75 , 170 , 310 , 6133 , 5345 , 16232 , 22944 , 126693 , 574495 , 3427930 , 3782572 , 63948293 , 60119553 , 863584219 , 587882393 , 8273074531 , 6672380193
n×2
144200162
n×3
216300243
n×4
288400324
n×5
360500405
n÷2
36050040.5
n÷3
24033360.333333
n÷3
18025020.25
n÷5
14420016.2
n2
5198421680206561
n3
3.7480662421505E+23
n4
2.7023587965242E+31
n5
1.9484028812045E+39
2 √n
8491.1766557998
3 √n
416.20943172822
4 √n
92.147580846161
5 √n
37.289550693562
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
72100082
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
36050041
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
8491.1767146845
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999722608
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72100081 can be divided by 2 positive divisors.
The sum of these divisors (counting 72100081) is 72100082, the average is 36050041.
Base
System
Value
2
Binary
100010011000010100011110001
3
Ternary
12000200001201101
4
Quaternary
10103002203301
5
Quinary
121424200311
6
Senary
11053204401
8
Octal
423024361
10
Decimal
72100081
12
Duodecimal
20190701
16
Hexadecimal
44c28f1
20
Vigesimal
12aca41
36
Base36
16xcs1
md5
8b13cf99ec53bcaaace68b39d47681c6
sha1
7160a4b96b9c15fb1d44b6551af4169e4b5c7178
sha256
da66f9bd272ba99d6dc98d14784032b8b74029219e7b54ab660284634f61b797
sha512
a4f5cc2117e435a28348b5038ca4590f75ee3dc2be45f9283247a98f630a9be5b7a0820abe72a26cdafb675490cbde92c50d178bbf7361a59831aefb6fe2e4f0
ripemd-160
13a9c6457fe9b9ae4530db043f4f2cb7e3e5e018
Diameter
144200162
Circumference
453018169.58566
Area
1.6331323360799E+16
Volume
1.5699863162011E+24
Surface area
6.5325293443195E+16
Circumference
453018169.58566
Perimeter
288400324
Area
5198421680206561
Diagonal
101964912.3984
Surface area
31190530081239366
Volume
3.7480662421505E+23
Space diagonal
124881003.52183
Perimeter
216300243
Area
2.2509826173213E+15
Altitude
62440501.760916
Surface area
2.2509826173213E+15
Volume
4.417138426935E+22
Height
33988304.1328