245640909 is an odd 9-digits composite number following 245640908
and preceding 245640910 . In scientific notation, it is written as 2.45640909 × 10^8.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 163760604 positive integers (up to 245640909) that are relatively prime to 245640909.
245640909 has 4 divisors, whose sum is 327521216
The reverse of 245640909 is 909046542
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
two hundred forty-five million six hundred forty thousand nine hundred nine
Scientific notation
2.45640909 × 10^8
Engineering notation
2.45640909 × 10^6
Prime Factorization
3 × 81880303
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
245640909
Product of the distinct prime numbers
The prime factorization of 245640909 is 3 × 81880303.
Since it has a total of 2 prime factors.
8 , 1 , 70 , 69 , 487 , 602 , 3805 , 4196 , 44002 , 58837 , 861252 , 402656 , 7214424 , 5766996 , 58068363 , 16036880 , 952628595 , 615517982 , 190644788 , 2194957772
n×2
491281818
n×3
736922727
n×4
982563636
n×5
1228204545
n÷2
122820454.5
n÷3
81880303
n÷3
61410227.25
n÷5
49128181.8
n2
60339456174346281
n3
1.4821838863232E+25
n4
3.6408499714159E+33
n5
8.9434169651121E+41
2 √n
15672.935557833
3 √n
626.27762883034
4 √n
125.19159539615
5 √n
47.649696541512
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-245640908
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 245640909 can be divided by 4 positive divisors.
The sum of these divisors (counting 245640909) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110101001000010111011001101
3
Ternary
122010012211222110
4
Quaternary
32221002323031
5
Quinary
1000341002114
6
Senary
40212534233
8
Octal
1651027315
10
Decimal
245640909
12
Duodecimal
6a321379
16
Hexadecimal
ea42ecd
20
Vigesimal
3gf5259
36
Base36
428xql
md5
1f77b605e990b7b2795d85a67f59d589
sha1
587e946f8931463b9447510c340fb55fcf9ca46b
sha256
f6e3d006fb5c1b2883269128476f85e33a5941bfa137977dfe6a0eded07e20c5
sha512
97dae4b498176aa81a01e193ff5fcfb665e61eaab7f0bab2845ab83bc8b1e39dc7ddbe427d34237770076cd33f870ad8e2096b268706bb8ec705e617e9f0d022
ripemd-160
8fb9c09d34e35f966edcca5b8ee83e217f9cc47c
Diameter
491281818
Circumference
1543407350.271
Area
1.8956199223893E+17
Volume
6.2085573447229E+25
Surface area
7.5824796895572E+17
Circumference
1543407350.271
Perimeter
982563636
Area
60339456174346281
Diagonal
347388704.98146
Surface area
362036737046077686
Volume
1.4821838863232E+25
Space diagonal
425462534.8054
Perimeter
736922727
Area
2.6127750948761E+16
Altitude
212731267.4027
Surface area
2.6127750948761E+16
Volume
1.746770461641E+24
Height
115796234.99382