285409813 is an odd 9-digits composite number following 285409812
and preceding 285409814 . In scientific notation, it is written as 2.85409813 × 10^8.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 263455200 positive integers (up to 285409813) that are relatively prime to 285409813.
285409813 has 4 divisors, whose sum is 307364428
The reverse of 285409813 is 318904582
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
two hundred eighty-five million four hundred nine thousand eight hundred thirteen
Scientific notation
2.85409813 × 10^8
Engineering notation
2.85409813 × 10^6
Prime Factorization
13 × 21954601
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
285409813
Product of the distinct prime numbers
The prime factorization of 285409813 is 13 × 21954601.
Since it has a total of 2 prime factors.
9 , 3 , 91 , 90 , 513 , 723 , 3704 , 7303 , 33124 , 13246 , 651616 , 741393 , 5180584 , 2503207 , 89630299 , 16134904 , 776605429 , 593886422 , 1008598847 , 1061964628
n×2
570819626
n×3
856229439
n×4
1141639252
n×5
1427049065
n÷2
142704906.5
n÷3
95136604.333333
n÷3
71352453.25
n÷5
57081962.6
n2
81458761356694969
n3
2.3249129846026E+25
n4
6.635529801767E+33
n5
1.8938453198782E+42
2 √n
16894.076269509
3 √n
658.39971417743
4 √n
129.97721442433
5 √n
49.101389272094
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
-285409812
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 285409813 can be divided by 4 positive divisors.
The sum of these divisors (counting 285409813) is 1, the average is 0.25.
Base
System
Value
2
Binary
10001000000110000001000010101
3
Ternary
201220001022122211
4
Quaternary
101000300020111
5
Quinary
1041031103223
6
Senary
44153153421
8
Octal
2100601025
10
Decimal
285409813
12
Duodecimal
7b6bb871
16
Hexadecimal
11030215
20
Vigesimal
493g4ad
36
Base36
4pxbmd
md5
1df6deb2b1326de7cef826c96c344a3f
sha1
9db064e8b39686886d5c226e59b3e0f6efcce7c0
sha256
3d28a9d176042dbd1bec2da57eeb63185587b5bbc1059f6a45ea2a2185be9c9c
sha512
0d6609d5e83b0abd5eceb7e05b5e35bc3d949eea08b2cff544b63f32f6025303940acdfec52dea354554b008e9ccf627099548956a4f1752b7af024797aec3b1
ripemd-160
0142ecc75b009af38248a77b29f027ced0e1c658
Diameter
570819626
Circumference
1793282743.5665
Area
2.5591024624872E+17
Volume
9.738572736884E+25
Surface area
1.0236409849949E+18
Circumference
1793282743.5665
Perimeter
1141639252
Area
81458761356694969
Diagonal
403630428.37897
Surface area
488752568140169814
Volume
2.3249129846026E+25
Space diagonal
494344297.09473
Perimeter
856229439
Area
3.5272678347856E+16
Altitude
247172148.54737
Surface area
3.5272678347856E+16
Volume
2.7399362284686E+24
Height
134543476.12632