72805989 is an odd 8-digits composite number following 72805988
and preceding 72805990 . In scientific notation, it is written as 7.2805989 × 10^7.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 48471696 positive integers (up to 72805989) that are relatively prime to 72805989.
72805989 has 8 divisors, whose sum is 97205920
The reverse of 72805989 is 98950827
Previous prime number is 757
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
seventy-two million eight hundred five thousand nine hundred eighty-nine
Scientific notation
7.2805989 × 10^7
Engineering notation
7.2805989 × 10^6
Prime Factorization
3 × 757 × 32059
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
72805989
Product of the distinct prime numbers
The prime factorization of 72805989 is 3 × 757 × 32059.
Since it has a total of 3 prime factors.
7 , 4 , 38 , 25 , 57 , 386 , 7 , 1943 , 96131 , 84925 , 46255 , 203363 , 8303254 , 9187620 , 92502332 , 33105340 , 574921994 , 454294934 , 8048906473 , 2346056455
n×2
145611978
n×3
218417967
n×4
291223956
n×5
364029945
n÷2
36402994.5
n÷3
24268663
n÷3
18201497.25
n÷5
14561197.8
n2
5300712034268121
n3
3.8592358205909E+23
n4
2.8097548070235E+31
n5
2.0456697757285E+39
2 √n
8532.6425566761
3 √n
417.5633455941
4 √n
92.372304056336
5 √n
37.362284330945
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72805988
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72805989 can be divided by 8 positive divisors.
The sum of these divisors (counting 72805989) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010101101110111001100101
3
Ternary
12001222221001010
4
Quaternary
10111232321211
5
Quinary
122114242424
6
Senary
11120252433
8
Octal
425567145
10
Decimal
72805989
12
Duodecimal
20471119
16
Hexadecimal
456ee65
20
Vigesimal
12f0ej9
36
Base36
17chgl
md5
a70710e9fd0c99b6b2e7b043b8b5df67
sha1
d637f6e2ffdadd1e7db5cf085fa421fe73e6372b
sha256
607cd92352a091f8f82234943fb38b258f8a69ab9a67e7e940d35f6cc3362f03
sha512
6668047b7716cd697119268d97207430b9d7a4be49d77d06b86351004928ef91dd3b3304cf0af249feb906369b61f0447d8f2749116fb6aa2b66f3f0b042cbba
ripemd-160
fc8272cd4d786144cea2c0815de1ea2c30648103
Diameter
145611978
Circumference
457453520.35948
Area
1.6652677985652E+16
Volume
1.6165529203252E+24
Surface area
6.6610711942607E+16
Circumference
457453520.35948
Perimeter
291223956
Area
5300712034268121
Diagonal
102963217.06579
Surface area
31804272205608726
Volume
3.8592358205909E+23
Space diagonal
126103672.0433
Perimeter
218417967
Area
2.295275639911E+15
Altitude
63051836.02165
Surface area
2.295275639911E+15
Volume
4.5481530315631E+22
Height
34321072.355262