285388521 is an odd 9-digits composite number following 285388520
and preceding 285388522 . In scientific notation, it is written as 2.85388521 × 10^8.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 172062720 positive integers (up to 285388521) that are relatively prime to 285388521.
285388521 has 16 divisors, whose sum is 417270720
The reverse of 285388521 is 125883582
Previous prime number is 193
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
two hundred eighty-five million three hundred eighty-eight thousand five hundred twenty-one
Scientific notation
2.85388521 × 10^8
Engineering notation
2.85388521 × 10^6
Prime Factorization
3 × 11 × 193 × 44809
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
285388521
Product of the distinct prime numbers
The prime factorization of 285388521 is 3 × 11 × 193 × 44809.
Since it has a total of 4 prime factors.
6 , 9 , 50 , 82 , 98 , 103 , 1611 , 6233 , 3037 , 78506 , 801331 , 138440 , 4130213 , 4018232 , 19173553 , 86241812 , 248669928 , 269098766 , 5223919555 , 8215171229
n×2
570777042
n×3
856165563
n×4
1141554084
n×5
1426942605
n÷2
142694260.5
n÷3
95129507
n÷3
71347130.25
n÷5
57077704.2
n2
81446607918567441
n3
2.3243926974347E+25
n4
6.6335499414409E+33
n5
1.8931390067674E+42
2 √n
16893.446096046
3 √n
658.38334123497
4 √n
129.97479023274
5 √n
49.100656642779
1 , 3 , 11 , 33 , 193 , 579 , 2123 , 6369 , 44809 , 134427 , 492899 , 1478697 , 8648137 , 25944411 , 95129507 , 285388521
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
-285388520
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 285388521 can be divided by 16 positive divisors.
The sum of these divisors (counting 285388521) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10001000000101010111011101001
3
Ternary
201220000020110020
4
Quaternary
101000222323221
5
Quinary
1041024413041
6
Senary
44152511053
8
Octal
2100527351
10
Decimal
285388521
12
Duodecimal
7b6ab489
16
Hexadecimal
1102aee9
20
Vigesimal
493db61
36
Base36
4pwv6x
md5
3e9f177683d28b81d9ae068bf053a3bb
sha1
4ac88b8380c20bcf6b90d121234fb084e83d7279
sha256
09a3fb97d2f482b5c94802769168996816f380194c6801f4dde98a2ab2eba955
sha512
a9a282f97f3eb84e66f2cff8f89d10f16cf1955cb442a6e9a30a847aa315c02d55d6cef7c5270df7cd2a3edf43e6a7f362f5fca9146cc4b13a7fa96372faa76b
ripemd-160
b1b19a5d91f051963e79a5bb8694ce52b3201b2d
Diameter
570777042
Circumference
1793148961.9849
Area
2.5587206509678E+17
Volume
9.7363933630914E+25
Surface area
1.0234882603871E+18
Circumference
1793148961.9849
Perimeter
1141554084
Area
81446607918567441
Diagonal
403600316.9438
Surface area
488679647511404646
Volume
2.3243926974347E+25
Space diagonal
494307418.26894
Perimeter
856165563
Area
3.5267415754775E+16
Altitude
247153709.13447
Surface area
3.5267415754775E+16
Volume
2.7393230641609E+24
Height
134533438.98127