72180855 is an odd 8-digits composite number following 72180854
and preceding 72180856 . In scientific notation, it is written as 7.2180855 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors.
There are 36602496 positive integers (up to 72180855) that are relatively prime to 72180855.
72180855 has 32 divisors, whose sum is 120706560
The reverse of 72180855 is 55808127
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
seventy-two million one hundred eighty thousand eight hundred fifty-five
Scientific notation
7.2180855 × 10^7
Engineering notation
7.2180855 × 10^6
Prime Factorization
1611 × 5 × 3 × 29 × 103
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
72180855
Product of the distinct prime numbers
The prime factorization of 72180855 is 1611 × 5 × 3 × 29 × 103.
Since it has a total of 5 prime factors.
8 , 8 , 19 , 51 , 445 , 266 , 6880 , 7788 , 5803 , 97406 , 688886 , 307566 , 7353618 , 2587721 , 23592567 , 52502179 , 515258136 , 563831293 , 3728306881 , 7399381539
n×2
144361710
n×3
216542565
n×4
288723420
n×5
360904275
n÷2
36090427.5
n÷3
24060285
n÷3
18045213.75
n÷5
14436171
n2
5210075828531025
n3
3.760677279182E+23
n4
2.7144890139043E+31
n5
1.9593413791172E+39
2 √n
8495.9316734541
3 √n
416.36480073529
4 √n
92.173378333736
5 √n
37.297902077579
1 , 3 , 5 , 15 , 29 , 87 , 103 , 145 , 309 , 435 , 515 , 1545 , 1611 , 2987 , 4833 , 8055 , 8961 , 14935 , 24165 , 44805 , 46719 , 140157 , 165933 , 233595 , 497799 , 700785 , 829665 , 2488995 , 4812057 , 14436171 , 24060285 , 72180855
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
-72180854
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 72180855 can be divided by 32 positive divisors.
The sum of these divisors (counting 72180855) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100010011010110010001110111
3
Ternary
12000211011112000
4
Quaternary
10103112101313
5
Quinary
121434241410
6
Senary
11055030343
8
Octal
423262167
10
Decimal
72180855
12
Duodecimal
2020b3b3
16
Hexadecimal
44d6477
20
Vigesimal
12b2c2f
36
Base36
16z33r
md5
f61d639500b7e092a90492fa1c00a1f7
sha1
dee90abf56aa8a9668ea22d3cbd079a48f3b090d
sha256
d7646f45bcb6a9cee507dc5cf6b2a7df7bcd3a734d2353b86e9801e55c70a2ac
sha512
d6ca3423bf963d635efefa980f1ffccf133fc41c7f5d5ef550530e337ac5f2199f620b083f0d40edb69f35b092847989302e2f3d07c4f67d5aff3c06699fd910
ripemd-160
311e2f391be1b351ff67f8e483c4fc31d0d3167f
Diameter
144361710
Circumference
453525687.59566
Area
1.6367935947559E+16
Volume
1.57526881504E+24
Surface area
6.5471743790235E+16
Circumference
453525687.59566
Perimeter
288723420
Area
5210075828531025
Diagonal
102079144.08469
Surface area
31260454971186150
Volume
3.760677279182E+23
Space diagonal
125020908.19376
Perimeter
216542565
Area
2.2560290115756E+15
Altitude
62510454.096881
Surface area
2.2560290115756E+15
Volume
4.4320006766063E+22
Height
34026381.361562