285339985 is an odd 9-digits composite number following 285339984
and preceding 285339986 . In scientific notation, it is written as 2.85339985 × 10^8.
The sum of its digits is 52. It has a total of 4 prime factors and 16 positive divisors.
There are 184133376 positive integers (up to 285339985) that are relatively prime to 285339985.
285339985 has 16 divisors, whose sum is 336707200
The reverse of 285339985 is 589933582
Previous prime number is 85
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 52
Digital Root 7
Name
two hundred eighty-five million three hundred thirty-nine thousand nine hundred eighty-five
Scientific notation
2.85339985 × 10^8
Engineering notation
2.85339985 × 10^6
Prime Factorization
49 × 7 × 85 × 9787
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
285339985
Product of the distinct prime numbers
The prime factorization of 285339985 is 49 × 7 × 85 × 9787.
Since it has a total of 4 prime factors.
4 , 7 , 91 , 58 , 445 , 129 , 4960 , 7397 , 80162 , 75484 , 671111 , 622199 , 301424 , 1825067 , 20715651 , 59260504 , 598997242 , 765850870 , 2224141555 , 6495254341
n×2
570679970
n×3
856019955
n×4
1141359940
n×5
1426699925
n÷2
142669992.5
n÷3
95113328.333333
n÷3
71334996.25
n÷5
57067997
n2
81418907039800225
n3
2.3232069713453E+25
n4
6.6290384235556E+33
n5
1.8915297243418E+42
2 √n
16892.009501537
3 √n
658.34601538709
4 √n
129.96926368006
5 √n
49.098986420305
1 , 7 , 49 , 85 , 343 , 595 , 4165 , 9787 , 29155 , 68509 , 479563 , 831895 , 3356941 , 5823265 , 40762855 , 285339985
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
-285339984
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 285339985 can be divided by 16 positive divisors.
The sum of these divisors (counting 285339985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10001000000011111000101010001
3
Ternary
201212220202212121
4
Quaternary
101000133011101
5
Quinary
1041021334420
6
Senary
44151454241
8
Octal
2100370521
10
Decimal
285339985
12
Duodecimal
7b687381
16
Hexadecimal
1101f151
20
Vigesimal
49379j5
36
Base36
4pvtqp
md5
6903e81c3ad04840a174095c25a7f0fb
sha1
53216033b3ebd28104aaeb1235394e5ff46a3254
sha256
c3e4ead52a807faf5e121f0e21721e899f06b5ef07cb6f9a4199f2427b78a007
sha512
ebaf9b01926665d39eec3689c15d645a1cf8f37bb4ae9f0c5333838e83562153f9cab43e45241d6fd160eeb576170813d9557afeff484e43eda971453a4f0bb4
ripemd-160
37f8bf6228695ce29cd9feb0f5ac993da1fdb2e4
Diameter
570679970
Circumference
1792844001.3028
Area
2.5578504021955E+17
Volume
9.7314266052626E+25
Surface area
1.0231401608782E+18
Circumference
1792844001.3028
Perimeter
1141359940
Area
81418907039800225
Diagonal
403531676.67434
Surface area
488513442238801350
Volume
2.3232069713453E+25
Space diagonal
494223351.45094
Perimeter
856019955
Area
3.5255420922415E+16
Altitude
247111675.72547
Surface area
3.5255420922415E+16
Volume
2.7379256725635E+24
Height
134510558.89145