285440389 is an odd 9-digits composite number following 285440388
and preceding 285440390 . In scientific notation, it is written as 2.85440389 × 10^8.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 262732800 positive integers (up to 285440389) that are relatively prime to 285440389.
285440389 has 8 divisors, whose sum is 308273112
The reverse of 285440389 is 983044582
Previous prime number is 353
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
two hundred eighty-five million four hundred forty thousand three hundred eighty-nine
Scientific notation
2.85440389 × 10^8
Engineering notation
2.85440389 × 10^6
Prime Factorization
13 × 353 × 62201
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
285440389
Product of the distinct prime numbers
The prime factorization of 285440389 is 13 × 353 × 62201.
Since it has a total of 3 prime factors.
6 , 2 , 36 , 1 , 262 , 277 , 1491 , 6178 , 8383 , 96057 , 30061 , 732875 , 6434492 , 9609096 , 84690923 , 57933862 , 954577703 , 492756263 , 7617042822 , 892972664
n×2
570880778
n×3
856321167
n×4
1141761556
n×5
1427201945
n÷2
142720194.5
n÷3
95146796.333333
n÷3
71360097.25
n÷5
57088077.8
n2
81476215672471321
n3
2.3256602695798E+25
n4
6.6383737203071E+33
n5
1.8948599770518E+42
2 √n
16894.981177853
3 √n
658.42322482761
4 √n
129.98069540456
5 √n
49.102441274989
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
-285440388
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 285440389 can be divided by 8 positive divisors.
The sum of these divisors (counting 285440389) is 1, the average is 0.125.
Base
System
Value
2
Binary
10001000000110111100110000101
3
Ternary
201220002212121021
4
Quaternary
101000313212011
5
Quinary
1041033043024
6
Senary
44153551141
8
Octal
2100674605
10
Decimal
285440389
12
Duodecimal
7b7154b1
16
Hexadecimal
11037985
20
Vigesimal
49400j9
36
Base36
4pxz7p
md5
89b9177172f3b89f22d649cef40e29a9
sha1
a75968811fd814b915793de1db201802c89f5d0c
sha256
95a7d65b52566059caa00ef1f5c1be68f018a5c6695b8294983fec20426cc661
sha512
52cbd369ece2e3dccf9cc828e4cb80e094e742f50155ce27a993b8d6260e66323fe617cbbcebb2036370c8e823205351d934fafa6b57eb2b4f7b3f517f10c9d0
ripemd-160
47d78a3af97af692afc2a753fa51d8854107e98e
Diameter
570880778
Circumference
1793474858.2404
Area
2.5596508059893E+17
Volume
9.7417029568768E+25
Surface area
1.0238603223957E+18
Circumference
1793474858.2404
Perimeter
1141761556
Area
81476215672471321
Diagonal
403673669.37285
Surface area
488857294034827926
Volume
2.3256602695798E+25
Space diagonal
494397256.28022
Perimeter
856321167
Area
3.528023628829E+16
Altitude
247198628.14011
Surface area
3.528023628829E+16
Volume
2.74081691226E+24
Height
134557889.79095