72804901 is an odd 8-digits composite number following 72804900
and preceding 72804902 . In scientific notation, it is written as 7.2804901 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 67049472 positive integers (up to 72804901) that are relatively prime to 72804901.
72804901 has 8 divisors, whose sum is 78586200
The reverse of 72804901 is 10940827
Previous prime number is 449
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
seventy-two million eight hundred four thousand nine hundred one
Scientific notation
7.2804901 × 10^7
Engineering notation
7.2804901 × 10^6
Prime Factorization
13 × 449 × 12473
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
72804901
Product of the distinct prime numbers
The prime factorization of 72804901 is 13 × 449 × 12473.
Since it has a total of 3 prime factors.
7 , 6 , 60 , 86 , 578 , 811 , 9030 , 7941 , 32819 , 70821 , 865011 , 609589 , 1265278 , 9936889 , 53933014 , 11986600 , 420918884 , 936329758 , 4826630692 , 3403161669
n×2
145609802
n×3
218414703
n×4
291219604
n×5
364024505
n÷2
36402450.5
n÷3
24268300.333333
n÷3
18201225.25
n÷5
14560980.2
n2
5300553609619801
n3
3.8590628079356E+23
n4
2.8095868568454E+31
n5
2.0455169296353E+39
2 √n
8532.5788012769
3 √n
417.5612655858
4 √n
92.371958955502
5 √n
37.362172663185
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
-72804900
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 72804901 can be divided by 8 positive divisors.
The sum of these divisors (counting 72804901) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010101101110101000100101
3
Ternary
12001222212112211
4
Quaternary
10111232220211
5
Quinary
122114224101
6
Senary
11120243421
8
Octal
425565045
10
Decimal
72804901
12
Duodecimal
20470571
16
Hexadecimal
456ea25
20
Vigesimal
12f0c51
36
Base36
17cgmd
md5
5331c8a1128f1e336926d4766fb9d965
sha1
d23341ec1356b5f8575562a441e647956e9eb020
sha256
f7b4c449f08ea0b947436b2075c106e30c1fb5d0294718a85b0ffa18f2a4215b
sha512
42fa6db18d4eead7e670a1a6cdf5a8b9c29efa96bf911fd01886a8be91492dfc29a1d7e9315847079fabf2a1d6dcc3cf191933569cba7bf54c3048a00e57ac38
ripemd-160
cabab7f78fbc5a74d467cad2cfe2b5ac86fd30a2
Diameter
145609802
Circumference
457446684.25386
Area
1.665218027994E+16
Volume
1.6164804489536E+24
Surface area
6.6608721119762E+16
Circumference
457446684.25386
Perimeter
291219604
Area
5300553609619801
Diagonal
102961678.40143
Surface area
31803321657718806
Volume
3.8590628079356E+23
Space diagonal
126101787.57202
Perimeter
218414703
Area
2.295207040026E+15
Altitude
63050893.786011
Surface area
2.295207040026E+15
Volume
4.5479491341935E+22
Height
34320559.467144