72458145 is an odd 8-digits composite number following 72458144
and preceding 72458146 . In scientific notation, it is written as 7.2458145 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 38644128 positive integers (up to 72458145) that are relatively prime to 72458145.
72458145 has 12 divisors, whose sum is 106988180
The reverse of 72458145 is 54185427
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
seventy-two million four hundred fifty-eight thousand one hundred forty-five
Scientific notation
7.2458145 × 10^7
Engineering notation
7.2458145 × 10^6
Prime Factorization
45 × 3 × 3 × 178909
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
24152715
Product of the distinct prime numbers
The prime factorization of 72458145 is 45 × 3 × 3 × 178909.
Since it has a total of 4 prime factors.
10 , 8 , 74 , 52 , 123 , 659 , 4443 , 7594 , 19716 , 65894 , 531455 , 164912 , 4510181 , 8162880 , 11808836 , 13191729 , 146323010 , 906168456 , 9873067508 , 4605456176
n×2
144916290
n×3
217374435
n×4
289832580
n×5
362290725
n÷2
36229072.5
n÷3
24152715
n÷3
18114536.25
n÷5
14491629
n2
5250182776841025
n3
3.8041850492085E+23
n4
2.7564419190238E+31
n5
1.9972666825271E+39
2 √n
8512.2350179022
3 √n
416.89728850679
4 √n
92.261774413362
5 √n
37.326514870688
1 , 3 , 9 , 45 , 135 , 405 , 178909 , 536727 , 1610181 , 8050905 , 24152715 , 72458145
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72458144
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72458145 can be divided by 12 positive divisors.
The sum of these divisors (counting 72458145) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100010100011001111110100001
3
Ternary
12001100020220000
4
Quaternary
10110121332201
5
Quinary
122022130040
6
Senary
11105010213
8
Octal
424317641
10
Decimal
72458145
12
Duodecimal
20323969
16
Hexadecimal
4519fa1
20
Vigesimal
12ch575
36
Base36
175129
md5
f44b03992edd0a211e73d58b12663829
sha1
d7911262804f8a31cd6f8e72b4aeaa0ca97c625d
sha256
09423d8c34b8c718bed88894bf3059c98aea6e74db6b49f98906b10affc219dc
sha512
3930c94cfbd006c988243b89bb98fe24aea9969e7989e601db291d2db29a68f9b28766da28d5e1532a23d268ecf37a7b9d27171995306977c2d0b12eb1ca714b
ripemd-160
3b2bed629be17cdd35f451fb5cf8acbc3953d531
Diameter
144916290
Circumference
455267952.04949
Area
1.6493935641727E+16
Volume
1.5934933071319E+24
Surface area
6.597574256691E+16
Circumference
455267952.04949
Perimeter
289832580
Area
5250182776841025
Diagonal
102471291.3634
Surface area
31501096661046150
Volume
3.8041850492085E+23
Space diagonal
125501188.56219
Perimeter
217374435
Area
2.2733958296279E+15
Altitude
62750594.281096
Surface area
2.2733958296279E+15
Volume
4.4832750753063E+22
Height
34157097.121132