72505866 is an even 8-digits composite number following 72505865
and preceding 72505867 . In scientific notation, it is written as 7.2505866 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors.
There are 23011776 positive integers (up to 72505866) that are relatively prime to 72505866.
72505866 has 32 divisors, whose sum is 152121600
The reverse of 72505866 is 66850527
Previous prime number is 37
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
seventy-two million five hundred five thousand eight hundred sixty-six
Scientific notation
7.2505866 × 10^7
Engineering notation
7.2505866 × 10^6
Prime Factorization
2 × 3 × 47 × 37 × 6949
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
72505866
Product of the distinct prime numbers
The prime factorization of 72505866 is 2 × 3 × 47 × 37 × 6949.
Since it has a total of 5 prime factors.
9 , 8 , 70 , 74 , 643 , 942 , 8382 , 4982 , 21265 , 95830 , 824848 , 189115 , 9082475 , 1082451 , 96259584 , 16949782 , 225755511 , 729742283 , 4383830240 , 709735506
n×2
145011732
n×3
217517598
n×4
290023464
n×5
362529330
n÷2
36252933
n÷3
24168622
n÷3
18126466.5
n÷5
14501173.2
n2
5257100604409956
n3
3.8117063197187E+23
n4
2.7637106764888E+31
n5
2.0038523597226E+39
2 √n
8515.0376393766
3 √n
416.98879139918
4 √n
92.276961585092
5 √n
37.331430231262
1 , 2 , 3 , 6 , 37 , 47 , 74 , 94 , 111 , 141 , 222 , 282 , 1739 , 3478 , 5217 , 6949 , 10434 , 13898 , 20847 , 41694 , 257113 , 326603 , 514226 , 653206 , 771339 , 979809 , 1542678 , 1959618 , 12084311 , 24168622 , 36252933 , 72505866
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
-72505865
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 72505866 can be divided by 32 positive divisors.
The sum of these divisors (counting 72505866) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100010100100101101000001010
3
Ternary
12001102200100110
4
Quaternary
10110211220022
5
Quinary
122030141431
6
Senary
11110015150
8
Octal
424455012
10
Decimal
72505866
12
Duodecimal
203474b6
16
Hexadecimal
4525a0a
20
Vigesimal
12d34d6
36
Base36
1761vu
md5
aae28a745268bca56cab22d3109a0c12
sha1
6cd03ab667734e209dec95de13d729905e19d4ff
sha256
1444eabbe7920695b3f7fd45a66fd6c887d2e89b786c3d1535b026b20dbeeb92
sha512
7942f190e92bda0c3433d002a55b0e6dcc17dfebec272439249190a729c8317877fb6485054f19f94f7b93b398b4cb4d8ce2245ba4ddadc7f964825f3891f004
ripemd-160
8a50e469b31630b9eb958c578c96755a46bf8097
Diameter
145011732
Circumference
455567791.93553
Area
1.6515668637997E+16
Volume
1.596643809556E+24
Surface area
6.6062674551987E+16
Circumference
455567791.93553
Perimeter
290023464
Area
5257100604409956
Diagonal
102538779.04881
Surface area
31542603626459736
Volume
3.8117063197187E+23
Space diagonal
125583843.75878
Perimeter
217517598
Area
2.2763913368348E+15
Altitude
62791921.87939
Surface area
2.2763913368348E+15
Volume
4.4921389776078E+22
Height
34179593.016269