72161718 is an even 8-digits composite number following 72161717
and preceding 72161719 . In scientific notation, it is written as 7.2161718 × 10^7.
The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors.
There are 22942656 positive integers (up to 72161718) that are relatively prime to 72161718.
72161718 has 32 divisors, whose sum is 151027200
The reverse of 72161718 is 81716127
Previous prime number is 919
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
seventy-two million one hundred sixty-one thousand seven hundred eighteen
Scientific notation
7.2161718 × 10^7
Engineering notation
7.2161718 × 10^6
Prime Factorization
2 × 3 × 23 × 919 × 569
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
72161718
Product of the distinct prime numbers
The prime factorization of 72161718 is 2 × 3 × 23 × 919 × 569.
Since it has a total of 5 prime factors.
4 , 4 , 99 , 58 , 245 , 475 , 4727 , 7552 , 2121 , 98577 , 738319 , 399693 , 3714504 , 2387932 , 29310184 , 9239438 , 72228393 , 284137181 , 1553834402 , 2951405608
n×2
144323436
n×3
216485154
n×4
288646872
n×5
360808590
n÷2
36080859
n÷3
24053906
n÷3
18040429.5
n÷5
14432343.6
n2
5207313544711524
n3
3.7576869155105E+23
n4
2.7116114352936E+31
n5
1.9567453971923E+39
2 √n
8494.8053538619
3 √n
416.32800114595
4 √n
92.167268343278
5 √n
37.295924141298
1 , 2 , 3 , 6 , 23 , 46 , 69 , 138 , 569 , 919 , 1138 , 1707 , 1838 , 2757 , 3414 , 5514 , 13087 , 21137 , 26174 , 39261 , 42274 , 63411 , 78522 , 126822 , 522911 , 1045822 , 1568733 , 3137466 , 12026953 , 24053906 , 36080859 , 72161718
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72161717
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72161718 can be divided by 32 positive divisors.
The sum of these divisors (counting 72161718) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100010011010001100110110110
3
Ternary
12000210012021020
4
Quaternary
10103101212312
5
Quinary
121433133333
6
Senary
11054402010
8
Octal
423214666
10
Decimal
72161718
12
Duodecimal
20200306
16
Hexadecimal
44d19b6
20
Vigesimal
12b045i
36
Base36
16yoc6
md5
a037be66ea64177fe28cc2e85cbdb0d7
sha1
a6cb89bed9c27e1347fd4d03ed72253dc10e2b7e
sha256
884daa81ea47226b4913db92b986969e7b3eeff6ddcca4bcc48ddd5a2a0d11f0
sha512
02f4c62d95c91cb9011c49452b10fa2f9b551b266ff98087502997709fb1abbf331b2af68215f2a81ed8139ab731b41200cef90f976a66c317888b700b28ed98
ripemd-160
51e53b90d6d9f99a0b97b8b02404a4f05b364af8
Diameter
144323436
Circumference
453405446.27844
Area
1.6359257977004E+16
Volume
1.5740162144345E+24
Surface area
6.5437031908017E+16
Circumference
453405446.27844
Perimeter
288646872
Area
5207313544711524
Diagonal
102052080.27974
Surface area
31243881268269144
Volume
3.7576869155105E+23
Space diagonal
124987761.93746
Perimeter
216485154
Area
2.2548329075955E+15
Altitude
62493880.968729
Surface area
2.2548329075955E+15
Volume
4.4284764992224E+22
Height
34017360.093248