72161085 is an odd 8-digits composite number following 72161084
and preceding 72161086 . In scientific notation, it is written as 7.2161085 × 10^7.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 38485904 positive integers (up to 72161085) that are relatively prime to 72161085.
72161085 has 4 divisors, whose sum is 76971840
The reverse of 72161085 is 58016127
Previous prime number is 15
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
seventy-two million one hundred sixty-one thousand eighty-five
Scientific notation
7.2161085 × 10^7
Engineering notation
7.2161085 × 10^6
Prime Factorization
15 × 4810739
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
72161085
Product of the distinct prime numbers
The prime factorization of 72161085 is 15 × 4810739.
Since it has a total of 2 prime factors.
2 , 4 , 48 , 64 , 227 , 408 , 9219 , 1421 , 64501 , 88769 , 581561 , 500022 , 2332834 , 4829715 , 44882026 , 42372119 , 274700676 , 61256648 , 2109539295 , 1959820718
n×2
144322170
n×3
216483255
n×4
288644340
n×5
360805425
n÷2
36080542.5
n÷3
24053695
n÷3
18040271.25
n÷5
14432217
n2
5207222188377225
n3
3.7575880294937E+23
n4
2.7115162919128E+31
n5
1.9566595761961E+39
2 √n
8494.7680957163
3 √n
416.3267838043
4 √n
92.167066220621
5 √n
37.295858709367
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
-72161084
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 72161085 can be divided by 4 positive divisors.
The sum of these divisors (counting 72161085) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010011010001011100111101
3
Ternary
12000210011101210
4
Quaternary
10103101130331
5
Quinary
121433123320
6
Senary
11054355033
8
Octal
423213475
10
Decimal
72161085
12
Duodecimal
201bba79
16
Hexadecimal
44d173d
20
Vigesimal
12b02e5
36
Base36
16ynul
md5
b618f881308f940e846434b26e1183d1
sha1
a1af79f6b62f963fc92fe832297c2e6c8599f7bf
sha256
3c441a75e3859bd2230ee21dd1081e3b45e474462ab55671385144f52679e13c
sha512
ed5979738910b2497dcb54b2503e102225c3e06b709c454e881a5232bac1575fc505f9c0c7112f9dc7185f8fcbe299ee1873b86643c94fe153fdc634f4415223
ripemd-160
f30ccdfeb4ac19ef7412fd74a078e95050dde2c1
Diameter
144322170
Circumference
453401469.02214
Area
1.6358970972616E+16
Volume
1.5739747931566E+24
Surface area
6.5435883890463E+16
Circumference
453401469.02214
Perimeter
288644340
Area
5207222188377225
Diagonal
102051185.08256
Surface area
31243333130263350
Volume
3.7575880294937E+23
Space diagonal
124986665.5493
Perimeter
216483255
Area
2.2547933491423E+15
Altitude
62493332.774648
Surface area
2.2547933491423E+15
Volume
4.428359960934E+22
Height
34017061.694186