72804985 is an odd 8-digits composite number following 72804984
and preceding 72804986 . In scientific notation, it is written as 7.2804985 × 10^7.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 52949040 positive integers (up to 72804985) that are relatively prime to 72804985.
72804985 has 8 divisors, whose sum is 95308416
The reverse of 72804985 is 58940827
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
seventy-two million eight hundred four thousand nine hundred eighty-five
Scientific notation
7.2804985 × 10^7
Engineering notation
7.2804985 × 10^6
Prime Factorization
5 × 11 × 1323727
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
72804985
Product of the distinct prime numbers
The prime factorization of 72804985 is 5 × 11 × 1323727.
Since it has a total of 3 prime factors.
8 , 1 , 42 , 87 , 797 , 463 , 8041 , 5254 , 52029 , 20488 , 928004 , 934703 , 6245010 , 950981 , 70026840 , 84951745 , 290708707 , 613786237 , 2171486101 , 2849289455
n×2
145609970
n×3
218414955
n×4
291219940
n×5
364024925
n÷2
36402492.5
n÷3
24268328.333333
n÷3
18201246.25
n÷5
14560997
n2
5300565840850225
n3
3.8590761653461E+23
n4
2.8095998233188E+31
n5
2.0455287299273E+39
2 √n
8532.5837235857
3 √n
417.56142617542
4 √n
92.371985599454
5 √n
37.362181284641
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
-72804984
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 72804985 can be divided by 8 positive divisors.
The sum of these divisors (counting 72804985) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010101101110101001111001
3
Ternary
12001222212122221
4
Quaternary
10111232221321
5
Quinary
122114224420
6
Senary
11120244041
8
Octal
425565171
10
Decimal
72804985
12
Duodecimal
20470621
16
Hexadecimal
456ea79
20
Vigesimal
12f0c95
36
Base36
17cgop
md5
ff99d0293e59cf521464e4af60649c29
sha1
7d3be5b632fa1a7964e945f352465b881042babf
sha256
feae467875647d1703807384537374d1be6c0b239469fc9602cf074c8a3ca2f0
sha512
2e4a3525a526c608b546723f4f921516a6c41f93be3f8d772fc5b9291258d7aa4778753cd59f066e05a83fa62625506a148cfe558981eb4610771c3d5528ca3f
ripemd-160
cf0b80d2aeabf27f47f1859c3b4b72b3e224a637
Diameter
145609970
Circumference
457447212.04143
Area
1.6652218705484E+16
Volume
1.6164860440926E+24
Surface area
6.6608874821936E+16
Circumference
457447212.04143
Perimeter
291219940
Area
5300565840850225
Diagonal
102961797.19537
Surface area
31803395045101350
Volume
3.8590761653461E+23
Space diagonal
126101933.06429
Perimeter
218414955
Area
2.2952123363042E+15
Altitude
63050966.532145
Surface area
2.2952123363042E+15
Volume
4.5479648760527E+22
Height
34320599.065123