72187790 is an even 8-digits composite number following 72187789
and preceding 72187791 . In scientific notation, it is written as 7.2187790 × 10^7.
The sum of its digits is 41. It has a total of 5 prime factors and 32 positive divisors.
There are 28385280 positive integers (up to 72187790) that are relatively prime to 72187790.
72187790 has 32 divisors, whose sum is 132165216
The reverse of 72187790 is 09778127
Previous prime number is 331
Is Prime? no Number parity even Number length 8 Sum of Digits 41 Digital Root 5
Name
seventy-two million one hundred eighty-seven thousand seven hundred ninety
Scientific notation
7.2187790 × 10^7
Engineering notation
7.2187790 × 10^6
Prime Factorization
2 × 5 × 193 × 331 × 113
Composite number
ω Distinct Factors
5 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
72187790 Product of the distinct prime numbers
The prime factorization of 72187790 is 2 × 5 × 193 × 331 × 113.
Since it has a total of 5 prime factors.
8 , 6 , 32 , 44 , 169 , 441 , 330 , 8744 , 60005 , 42395 , 825412 , 704922 , 6034772 , 9507685 , 53912737 , 84649458 , 62601854 , 559026946 , 6420993752 , 7250371675
n×2
144375580
n×3
216563370
n×4
288751160
n×5
360938950
n÷2
36093895
n÷3
24062596.666667
n÷3
18046947.5
n÷5
14437558
n2
5211077025084100
n3
3.761761339606E+23
n4
2.7155323761359E+31
n5
1.960282809067E+39
2 √n8496.3398001728
3 √n416.3781348224
4 √n92.175592214928
5 √n37.298618752412
1 , 2 , 5 , 10 , 113 , 193 , 226 , 331 , 386 , 565 , 662 , 965 , 1130 , 1655 , 1930 , 3310 , 21809 , 37403 , 43618 , 63883 , 74806 , 109045 , 127766 , 187015 , 218090 , 319415 , 374030 , 638830 , 7218779 , 14437558 , 36093895 , 72187790
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
-72187789 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 72187790 can be divided by 32 positive divisors.
The sum of these divisors (counting 72187790) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100010011010111111110001110
3
Ternary
12000211112000212
4
Quaternary
10103113332032
5
Quinary
121440002130
6
Senary
11055122422
8
Octal
423277616
10
Decimal
72187790
12
Duodecimal
20213412
16
Hexadecimal
44d7f8e
20
Vigesimal
12b399a
36
Base36
16z8ge
md5
2380e9e9bd93dbceee56ce93961b509e
sha1
6a6b389aeffa1b66caa7ba0f2aff63353a5198e8
sha256
bdb3fdcfb7a73ab9a6ccec2edcade1264fc5ee4cef88eb1e2f28a2e26194460b
sha512
aa518e8775c76e6353fda22ea80f1c28ea78777499258019edc755eaf788d5628d4ecd91f784d401cad7b1f6c2dc8f59ac0cd24a96c7c74eb6ca30f34b108d7f
ripemd-160
53baf931cbcf694de7750c44cfb006ebb2905bd4
Diameter
144375580
Circumference
453569261.48577
Area
1.6371081299295E+16
Volume
1.5757229052086E+24
Surface area
6.5484325197179E+16
Circumference
453569261.48577
Perimeter
288751160
Area
5211077025084100
Diagonal
102088951.65574
Surface area
31266462150504600
Volume
3.761761339606E+23
Space diagonal
125032919.96611
Perimeter
216563370
Area
2.2564625424001E+15
Altitude
62516459.983056
Surface area
2.2564625424001E+15
Volume
4.4332782540679E+22
Height
34029650.551914