72161720 is an even 8-digits composite number following 72161719
and preceding 72161721 . In scientific notation, it is written as 7.2161720 × 10^7.
The sum of its digits is 26. It has a total of 6 prime factors and 32 positive divisors.
There are 28374528 positive integers (up to 72161720) that are relatively prime to 72161720.
72161720 has 32 divisors, whose sum is 165121200
The reverse of 72161720 is 02716127
Previous prime number is 59
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
seventy-two million one hundred sixty-one thousand seven hundred twenty
Scientific notation
7.2161720 × 10^7
Engineering notation
7.2161720 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 59 × 30577
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
18040430
Product of the distinct prime numbers
The prime factorization of 72161720 is 2 × 2 × 2 × 5 × 59 × 30577.
Since it has a total of 6 prime factors.
2 , 3 , 61 , 83 , 926 , 869 , 2262 , 178 , 55832 , 42206 , 311078 , 744835 , 1696737 , 1900486 , 66197509 , 84936327 , 91730067 , 77158409 , 8084355892 , 3903422229
n×2
144323440
n×3
216485160
n×4
288646880
n×5
360808600
n÷2
36080860
n÷3
24053906.666667
n÷3
18040430
n÷5
14432344
n2
5207313833358400
n3
3.7576872279494E+23
n4
2.7116117359086E+31
n5
1.9567456683535E+39
2 √n
8494.8054715809
3 √n
416.3280049922
4 √n
92.167268981894
5 √n
37.295924348033
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 59 , 118 , 236 , 295 , 472 , 590 , 1180 , 2360 , 30577 , 61154 , 122308 , 152885 , 244616 , 305770 , 611540 , 1223080 , 1804043 , 3608086 , 7216172 , 9020215 , 14432344 , 18040430 , 36080860 , 72161720
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
-72161719
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 72161720 can be divided by 32 positive divisors.
The sum of these divisors (counting 72161720) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100010011010001100110111000
3
Ternary
12000210012021022
4
Quaternary
10103101212320
5
Quinary
121433133340
6
Senary
11054402012
8
Octal
423214670
10
Decimal
72161720
12
Duodecimal
20200308
16
Hexadecimal
44d19b8
20
Vigesimal
12b0460
36
Base36
16yoc8
md5
eae00fa635f13e9a23d95fe0184f57e5
sha1
390b390509812d17bff2f3216301883312b522b2
sha256
e8e322f38ea195b35e98080f3fd3736654a4cde4af7e2b7b7ff63208304c4a26
sha512
df9b466d6c65582485b84e902b268a942a849cbf6c68da9753f4c0c2840fa1adbc3e35af359fa32ea41e62be7a34c3c00d361ee3da197cafebf4d652bbc471c3
ripemd-160
078e3393653f7fe6468b9512a0e01c889fad10ed
Diameter
144323440
Circumference
453405458.84481
Area
1.6359258883815E+16
Volume
1.5740163453085E+24
Surface area
6.5437035535261E+16
Circumference
453405458.84481
Perimeter
288646880
Area
5207313833358400
Diagonal
102052083.10817
Surface area
31243883000150400
Volume
3.7576872279494E+23
Space diagonal
124987765.40156
Perimeter
216485160
Area
2.2548330325833E+15
Altitude
62493882.70078
Surface area
2.2548330325833E+15
Volume
4.4284768674351E+22
Height
34017361.036057