72187866 is an even 8-digits composite number following 72187865
and preceding 72187867 . In scientific notation, it is written as 7.2187866 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors.
There are 23841216 positive integers (up to 72187866) that are relatively prime to 72187866.
72187866 has 24 divisors, whose sum is 157846260
The reverse of 72187866 is 66878127
Previous prime number is 109
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
seventy-two million one hundred eighty-seven thousand eight hundred sixty-six
Scientific notation
7.2187866 × 10^7
Engineering notation
7.2187866 × 10^6
Prime Factorization
2 × 3 × 3 × 109 × 36793
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
24062622
Product of the distinct prime numbers
The prime factorization of 72187866 is 2 × 3 × 3 × 109 × 36793.
Since it has a total of 5 prime factors.
10 , 8 , 56 , 45 , 456 , 221 , 6220 , 5630 , 76615 , 94877 , 828282 , 973811 , 1224265 , 5438428 , 3055848 , 60370761 , 368423874 , 162008487 , 5001149115 , 4344589965
n×2
144375732
n×3
216563598
n×4
288751464
n×5
360939330
n÷2
36093933
n÷3
24062622
n÷3
18046966.5
n÷5
14437573.2
n2
5211087997633956
n3
3.7617732208741E+23
n4
2.7155438119085E+31
n5
1.9602931281118E+39
2 √n
8496.3442726858
3 √n
416.37828094465
4 √n
92.175616475756
5 √n
37.298626606077
1 , 2 , 3 , 6 , 9 , 18 , 109 , 218 , 327 , 654 , 981 , 1962 , 36793 , 73586 , 110379 , 220758 , 331137 , 662274 , 4010437 , 8020874 , 12031311 , 24062622 , 36093933 , 72187866
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72187865
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72187866 can be divided by 24 positive divisors.
The sum of these divisors (counting 72187866) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100010011010111111111011010
3
Ternary
12000211112010200
4
Quaternary
10103113333122
5
Quinary
121440002431
6
Senary
11055123030
8
Octal
423277732
10
Decimal
72187866
12
Duodecimal
20213476
16
Hexadecimal
44d7fda
20
Vigesimal
12b39d6
36
Base36
16z8ii
md5
02969e141ce85a220f72515791eae780
sha1
c270294cf1853dc467d49c8c5b55b366b4f4371b
sha256
39109f1d259263b1caa7d008dfabaf7fe2335fb1c580cb5666a84490e98138e3
sha512
1409df313da7b85080a27f24ae462a3cfd8ccf32a6cacad4742e8116f42e43cfe5e49a33c92240b325e57bdde0d4fbc2b6518410b3a7f5bd83ca347b44bdce65
ripemd-160
5938c985a211e4fc75024aa526030244b85ce9b5
Diameter
144375732
Circumference
453569739.00785
Area
1.6371115770577E+16
Volume
1.5757278820225E+24
Surface area
6.5484463082307E+16
Circumference
453569739.00785
Perimeter
288751464
Area
5211087997633956
Diagonal
102089059.13597
Surface area
31266527985803736
Volume
3.7617732208741E+23
Space diagonal
125033051.60197
Perimeter
216563598
Area
2.2564672936536E+15
Altitude
62516525.800987
Surface area
2.2564672936536E+15
Volume
4.4332922562767E+22
Height
34029686.378657