72640909 is an odd 8-digits composite number following 72640908
and preceding 72640910 . In scientific notation, it is written as 7.2640909 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 65418960 positive integers (up to 72640909) that are relatively prime to 72640909.
72640909 has 8 divisors, whose sum is 79986528
The reverse of 72640909 is 90904627
Previous prime number is 107
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
seventy-two million six hundred forty thousand nine hundred nine
Scientific notation
7.2640909 × 10^7
Engineering notation
7.2640909 × 10^6
Prime Factorization
11 × 107 × 61717
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
72640909
Product of the distinct prime numbers
The prime factorization of 72640909 is 11 × 107 × 61717.
Since it has a total of 3 prime factors.
8 , 10 , 81 , 98 , 647 , 797 , 1852 , 3811 , 44092 , 78777 , 792773 , 15934 , 3133585 , 269302 , 91551255 , 54588658 , 253893839 , 226115176 , 6372583941 , 651311800
n×2
145281818
n×3
217922727
n×4
290563636
n×5
363204545
n÷2
36320454.5
n÷3
24213636.333333
n÷3
18160227.25
n÷5
14528181.8
n2
5276701660346281
n3
3.8330440512936E+23
n4
2.7843580412301E+31
n5
2.0225829909642E+39
2 √n
8522.963627753
3 √n
417.24751296371
4 √n
92.319898330495
5 √n
37.345325925431
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
-72640908
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 72640909 can be divided by 8 positive divisors.
The sum of these divisors (counting 72640909) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010101000110100110001101
3
Ternary
12001200112121001
4
Quaternary
10111012212031
5
Quinary
122044002114
6
Senary
11112540301
8
Octal
425064615
10
Decimal
72640909
12
Duodecimal
203b1691
16
Hexadecimal
454698d
20
Vigesimal
12e0259
36
Base36
178y31
md5
ba12bb57506ffeed4d795cbafc01cf3a
sha1
630c439c9d000d142f86c63596c584ced273cd3c
sha256
1b156e9139816eb15a9fa039572a8830f10bac92a3cbb3d3baf1ed31499597b7
sha512
7ccf2612274f34b660a91c955dbe0674ae8946b595539ef9630ceac354375dbfd5b4b6ef75d1101efad5949fc019fa1d6b5b8debc84f7fa407c8b120ec48a0c9
ripemd-160
e127fa66df4d0438e18f786c26cfe52fc6f23512
Diameter
145281818
Circumference
456416292.12897
Area
1.6577247171329E+16
Volume
1.6055817376574E+24
Surface area
6.6308988685316E+16
Circumference
456416292.12897
Perimeter
290563636
Area
5276701660346281
Diagonal
102729758.69091
Surface area
31660209962077686
Volume
3.8330440512936E+23
Space diagonal
125817745.09599
Perimeter
217922727
Area
2.2848788430257E+15
Altitude
62908872.547994
Surface area
2.2848788430257E+15
Volume
4.5172857354275E+22
Height
34243252.89697