72505745 is an odd 8-digits composite number following 72505744
and preceding 72505746 . In scientific notation, it is written as 7.2505745 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 51814080 positive integers (up to 72505745) that are relatively prime to 72505745.
72505745 has 16 divisors, whose sum is 96724992
The reverse of 72505745 is 54750527
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
seventy-two million five hundred five thousand seven hundred forty-five
Scientific notation
7.2505745 × 10^7
Engineering notation
7.2505745 × 10^6
Prime Factorization
5 × 31 × 13 × 35983
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
72505745
Product of the distinct prime numbers
The prime factorization of 72505745 is 5 × 31 × 13 × 35983.
Since it has a total of 4 prime factors.
2 , 10 , 80 , 66 , 50 , 953 , 4497 , 980 , 69886 , 42884 , 163984 , 350226 , 7884353 , 2296010 , 23115761 , 51338528 , 744035351 , 598670203 , 2466262378 , 2528796403
n×2
145011490
n×3
217517235
n×4
290022980
n×5
362528725
n÷2
36252872.5
n÷3
24168581.666667
n÷3
18126436.25
n÷5
14501149
n2
5257083058005025
n3
3.8116872364753E+23
n4
2.7636922278763E+31
n5
2.0038356393288E+39
2 √n
8515.0305342964
3 √n
416.98855943785
4 √n
92.276923086416
5 √n
37.331417771288
1 , 5 , 13 , 31 , 65 , 155 , 403 , 2015 , 35983 , 179915 , 467779 , 1115473 , 2338895 , 5577365 , 14501149 , 72505745
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72505744
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72505745 can be divided by 16 positive divisors.
The sum of these divisors (counting 72505745) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010100100101100110010001
3
Ternary
12001102200011222
4
Quaternary
10110211212101
5
Quinary
122030140440
6
Senary
11110014425
8
Octal
424454621
10
Decimal
72505745
12
Duodecimal
20347415
16
Hexadecimal
4525991
20
Vigesimal
12d3475
36
Base36
1761sh
md5
d376b43dcf43117a1bb1745034345ada
sha1
8d692496b38649ea06d9b39f140b20f8fb0e39f6
sha256
accff941670f6535dd0190d13159e76e328b43bdb49b183eafc612944132e02a
sha512
ab050fc76ea03dd97ad37fa7de8f1c8ec5a7c853cad988dd0d5f8c64437e6e2229e8e300339f090227d210db1afa34c65afb6607d486a1433ea54ee9e1624284
ripemd-160
6d0a5245296dccf72b5c8756415fe74000c807ea
Diameter
145011490
Circumference
455567031.67011
Area
1.651561351434E+16
Volume
1.5966358159857E+24
Surface area
6.606245405736E+16
Circumference
455567031.67011
Perimeter
290022980
Area
5257083058005025
Diagonal
102538607.92897
Surface area
31542498348030150
Volume
3.8116872364753E+23
Space diagonal
125583634.18063
Perimeter
217517235
Area
2.2763837390186E+15
Altitude
62791817.090317
Surface area
2.2763837390186E+15
Volume
4.4921164877899E+22
Height
34179535.976322