245285909 is an odd 9-digits composite number following 245285908
and preceding 245285910 . In scientific notation, it is written as 2.45285909 × 10^8.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 222772960 positive integers (up to 245285909) that are relatively prime to 245285909.
245285909 has 8 divisors, whose sum is 267841728
The reverse of 245285909 is 909582542
Previous prime number is 1097
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
two hundred forty-five million two hundred eighty-five thousand nine hundred nine
Scientific notation
2.45285909 × 10^8
Engineering notation
2.45285909 × 10^6
Prime Factorization
11 × 1097 × 20327
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
245285909
Product of the distinct prime numbers
The prime factorization of 245285909 is 11 × 1097 × 20327.
Since it has a total of 3 prime factors.
10 , 5 , 68 , 21 , 463 , 923 , 2054 , 451 , 67204 , 66770 , 702046 , 675575 , 7413588 , 5303610 , 46830954 , 74516722 , 615761696 , 698269688 , 681828304 , 678734868
n×2
490571818
n×3
735857727
n×4
981143636
n×5
1226429545
n÷2
122642954.5
n÷3
81761969.666667
n÷3
61321477.25
n÷5
49057181.8
n2
60165177153956281
n3
1.4757670168354E+25
n4
3.6198485419669E+33
n5
8.8789784005869E+41
2 √n
15661.606207538
3 √n
625.97578477103
4 √n
125.14633916954
5 √n
47.635915913996
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
-245285908
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 245285909 can be divided by 8 positive divisors.
The sum of these divisors (counting 245285909) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110100111101100010000010101
3
Ternary
122002112211000022
4
Quaternary
32213230100111
5
Quinary
1000243122114
6
Senary
40201154525
8
Octal
1647542025
10
Decimal
245285909
12
Duodecimal
6a18ba45
16
Hexadecimal
e9ec415
20
Vigesimal
3gd0ef9
36
Base36
421bth
md5
13fc6dea0684a7e255562a4a86131f4c
sha1
d9c3cb140901eb12233af9a69599e635291ace46
sha256
5a95caf0e138f4677a1a67ef77e8c3489c6deaf532cebff077d67fe67fa57d66
sha512
8a94eccaa53794ed464bed37392cec184f9e0e87d911b3e74db1b9787bfefebe8ab0e45da84dc37b74738ef7b43b2da2d84e65d9078060401accb3308522319a
ripemd-160
285c21e606e2fd0a38fafcbbea6796df325328d4
Diameter
490571818
Circumference
1541176819.487
Area
1.890144785488E+17
Volume
6.181678424667E+25
Surface area
7.5605791419519E+17
Circumference
1541176819.487
Perimeter
981143636
Area
60165177153956281
Diagonal
346886659.16681
Surface area
360991062923737686
Volume
1.4757670168354E+25
Space diagonal
424847656.76872
Perimeter
735857727
Area
2.6052285919259E+16
Altitude
212423828.38436
Surface area
2.6052285919259E+16
Volume
1.7392081084263E+24
Height
115628886.38894