72162021 is an odd 8-digits composite number following 72162020
and preceding 72162022 . In scientific notation, it is written as 7.2162021 × 10^7.
The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors.
There are 48108012 positive integers (up to 72162021) that are relatively prime to 72162021.
72162021 has 4 divisors, whose sum is 96216032
The reverse of 72162021 is 12026127
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
seventy-two million one hundred sixty-two thousand twenty-one
Scientific notation
7.2162021 × 10^7
Engineering notation
7.2162021 × 10^6
Prime Factorization
3 × 24054007
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
72162021
Product of the distinct prime numbers
The prime factorization of 72162021 is 3 × 24054007.
Since it has a total of 2 prime factors.
9 , 2 , 5 , 31 , 34 , 198 , 7542 , 4197 , 93300 , 20217 , 997002 , 586836 , 3086214 , 8326504 , 75899521 , 87171086 , 920851953 , 347634410 , 6239471317 , 950066317
n×2
144324042
n×3
216486063
n×4
288648084
n×5
360810105
n÷2
36081010.5
n÷3
24054007
n÷3
18040505.25
n÷5
14432404.2
n2
5207357274804441
n3
3.7577342501894E+23
n4
2.7116569787459E+31
n5
1.9567864784506E+39
2 √n
8494.8231882718
3 √n
416.328583852
4 √n
92.167365093463
5 √n
37.295955461633
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
-72162020
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 72162021 can be divided by 4 positive divisors.
The sum of these divisors (counting 72162021) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010011010001101011100101
3
Ternary
12000210012200110
4
Quaternary
10103101223211
5
Quinary
121433141041
6
Senary
11054403233
8
Octal
423215345
10
Decimal
72162021
12
Duodecimal
20200519
16
Hexadecimal
44d1ae5
20
Vigesimal
12b0511
36
Base36
16yokl
md5
cecef26075a39eefcb33e95c03dbb77a
sha1
ab7b77f76e21dc7f6d64e6a1d51ef587e566760a
sha256
7a8caa6ca988cd48addf9dc9253bc47ad93b6c8e64d9f7c26aee48f7cca0ddc6
sha512
6e16c91c13079b66ee96248cb1de7b866145a19f26f4d623dc26c95c9c23f076d02f0245d9e2eb8c8ae7b363e90644217bfadb22825a63ea6b8d961c75f17f01
ripemd-160
2b4a32febe6992b42581a2c750682953c48038cb
Diameter
144324042
Circumference
453407350.08358
Area
1.6359395359143E+16
Volume
1.5740360419384E+24
Surface area
6.5437581436572E+16
Circumference
453407350.08358
Perimeter
288648084
Area
5207357274804441
Diagonal
102052508.78645
Surface area
31244143648826646
Volume
3.7577342501894E+23
Space diagonal
124988286.74885
Perimeter
216486063
Area
2.2548518432812E+15
Altitude
62494143.374426
Surface area
2.2548518432812E+15
Volume
4.4285322836765E+22
Height
34017502.928817