72804978 is an even 8-digits composite number following 72804977
and preceding 72804979 . In scientific notation, it is written as 7.2804978 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors.
There are 23960664 positive integers (up to 72804978) that are relatively prime to 72804978.
72804978 has 24 divisors, whose sum is 159744000
The reverse of 72804978 is 87940827
Previous prime number is 79
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
seventy-two million eight hundred four thousand nine hundred seventy-eight
Scientific notation
7.2804978 × 10^7
Engineering notation
7.2804978 × 10^6
Prime Factorization
2 × 3 × 3 × 79 × 51199
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
24268326
Product of the distinct prime numbers
The prime factorization of 72804978 is 2 × 3 × 3 × 79 × 51199.
Since it has a total of 5 prime factors.
2 , 4 , 26 , 32 , 103 , 826 , 8359 , 2246 , 27183 , 58170 , 317029 , 311349 , 4216068 , 2785616 , 43600995 , 97416961 , 964139727 , 890620009 , 3108864471 , 9083692984
n×2
145609956
n×3
218414934
n×4
291219912
n×5
364024890
n÷2
36402489
n÷3
24268326
n÷3
18201244.5
n÷5
14560995.6
n2
5300564821580484
n3
3.8590750522274E+23
n4
2.8095987427777E+31
n5
2.0455277465675E+39
2 √n
8532.5833133934
3 √n
417.56141279295
4 √n
92.371983379125
5 √n
37.362180566187
1 , 2 , 3 , 6 , 9 , 18 , 79 , 158 , 237 , 474 , 711 , 1422 , 51199 , 102398 , 153597 , 307194 , 460791 , 921582 , 4044721 , 8089442 , 12134163 , 24268326 , 36402489 , 72804978
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
-72804977
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 72804978 can be divided by 24 positive divisors.
The sum of these divisors (counting 72804978) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100010101101110101001110010
3
Ternary
12001222212122200
4
Quaternary
10111232221302
5
Quinary
122114224403
6
Senary
11120244030
8
Octal
425565162
10
Decimal
72804978
12
Duodecimal
20470616
16
Hexadecimal
456ea72
20
Vigesimal
12f0c8i
36
Base36
17cgoi
md5
11682f25287285e6888bc4b57bb0736b
sha1
276f1ace87b594d31e198debb4c36768565670d5
sha256
5b53bfbb75d848c14142b12c0b53c5e98f24703c028f67443d01e4ac3839f9ac
sha512
5661114a9e985b05cc8f226e3ee45e28bc3267421fd6aa0e21c651c0fc7e0d5860162d54cde17cdbfea5c80c0f606848a619255464257f7932992bd2b0c88d88
ripemd-160
43888ab901fd189a989fb011594c78d064940e4a
Diameter
145609956
Circumference
457447168.05913
Area
1.6652215503354E+16
Volume
1.6164855778306E+24
Surface area
6.6608862013415E+16
Circumference
457447168.05913
Perimeter
291219912
Area
5300564821580484
Diagonal
102961787.29587
Surface area
31803388929482904
Volume
3.8590750522274E+23
Space diagonal
126101920.93993
Perimeter
218414934
Area
2.2952118949474E+15
Altitude
63050960.469967
Surface area
2.2952118949474E+15
Volume
4.5479635642297E+22
Height
34320595.765292