285431311 is an odd 9-digits composite number following 285431310
and preceding 285431312 . In scientific notation, it is written as 2.85431311 × 10^8.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 239636320 positive integers (up to 285431311) that are relatively prime to 285431311.
285431311 has 16 divisors, whose sum is 336130560
The reverse of 285431311 is 113134582
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 28
Digital Root 1
Name
two hundred eighty-five million four hundred thirty-one thousand three hundred eleven
Scientific notation
2.85431311 × 10^8
Engineering notation
2.85431311 × 10^6
Prime Factorization
23 × 11 × 29 × 38903
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
285431311
Product of the distinct prime numbers
The prime factorization of 285431311 is 23 × 11 × 29 × 38903.
Since it has a total of 4 prime factors.
7 , 6 , 77 , 80 , 307 , 642 , 4051 , 3673 , 78888 , 7060 , 638442 , 435168 , 4695557 , 2856709 , 99219952 , 20245026 , 811952053 , 971602402 , 5133189475 , 5135207269
n×2
570862622
n×3
856293933
n×4
1141725244
n×5
1427156555
n÷2
142715655.5
n÷3
95143770.333333
n÷3
71357827.75
n÷5
57086262.2
n2
81471033299178721
n3
2.3254383843109E+25
n4
6.6375292668359E+33
n5
1.8945586804338E+42
2 √n
16894.712516051
3 √n
658.41624470189
4 √n
129.97966193236
5 √n
49.102128945235
1 , 11 , 23 , 29 , 253 , 319 , 667 , 7337 , 38903 , 427933 , 894769 , 1128187 , 9842459 , 12410057 , 25948301 , 285431311
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-285431310
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 285431311 can be divided by 16 positive divisors.
The sum of these divisors (counting 285431311) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10001000000110101011000001111
3
Ternary
201220002102011001
4
Quaternary
101000311120033
5
Quinary
1041032300221
6
Senary
44153441131
8
Octal
2100653017
10
Decimal
285431311
12
Duodecimal
7b7101a7
16
Hexadecimal
1103560f
20
Vigesimal
493ii5b
36
Base36
4pxs7j
md5
38834a2a1f308fb4db2cd47a11174fd7
sha1
9864c09018067f2d60cf2365819b65cc2cc70499
sha256
25cdeed82f1a71ee363c9d7a616010258555a123c7c75aed8591795e54baec96
sha512
9ed51ad5a210a0bd397d4bd02d1132fc8407183a572eaf46b7af51c2ebcf363b83b3e3636f964d5e80ff4d360f2ea197114f21507e871ef0cd44c91a25be080f
ripemd-160
fd9f2e8b55d42893721a9331490e93ff911d9845
Diameter
570862622
Circumference
1793417819.4842
Area
2.5594879969307E+17
Volume
9.7407735260359E+25
Surface area
1.0237951987723E+18
Circumference
1793417819.4842
Perimeter
1141725244
Area
81471033299178721
Diagonal
403660831.14213
Surface area
488826199795072326
Volume
2.3254383843109E+25
Space diagonal
494381532.72299
Perimeter
856293933
Area
3.5277992254828E+16
Altitude
247190766.3615
Surface area
3.5277992254828E+16
Volume
2.7405554179629E+24
Height
134553610.38071