205440391 is an odd 9-digits composite number following 205440390
and preceding 205440392 . In scientific notation, it is written as 2.05440391 × 10^8.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 182400768 positive integers (up to 205440391) that are relatively prime to 205440391.
205440391 has 16 divisors, whose sum is 229824000
The reverse of 205440391 is 193044502
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 28
Digital Root 1
Name
two hundred five million four hundred forty thousand three hundred ninety-one
Scientific notation
2.05440391 × 10^8
Engineering notation
2.05440391 × 10^6
Prime Factorization
13 × 37 × 89 × 4799
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
205440391
Product of the distinct prime numbers
The prime factorization of 205440391 is 13 × 37 × 89 × 4799.
Since it has a total of 4 prime factors.
8 , 10 , 40 , 47 , 920 , 504 , 4134 , 303 , 76091 , 45575 , 405081 , 966348 , 3783744 , 4899489 , 40839287 , 96554306 , 545875544 , 63021187 , 6518011917 , 2323899235
n×2
410880782
n×3
616321173
n×4
821761564
n×5
1027201955
n÷2
102720195.5
n÷3
68480130.333333
n÷3
51360097.75
n÷5
41088078.2
n2
42205754254232881
n3
8.6707666564395E+24
n4
1.7813256921687E+33
n5
3.6595624669748E+41
2 √n
14333.191933411
3 √n
590.05878089065
4 √n
119.72130943742
5 √n
45.976633329913
1 , 13 , 37 , 89 , 481 , 1157 , 3293 , 4799 , 42809 , 62387 , 177563 , 427111 , 2308319 , 5552443 , 15803107 , 205440391
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
-205440390
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 205440391 can be divided by 16 positive divisors.
The sum of these divisors (counting 205440391) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100001111101100010110000111
3
Ternary
112022120110020101
4
Quaternary
30033230112013
5
Quinary
410043043031
6
Senary
32215144531
8
Octal
1417542607
10
Decimal
205440391
12
Duodecimal
58975147
16
Hexadecimal
c3ec587
20
Vigesimal
34400jb
36
Base36
3ebatj
md5
f9578f355b3addf483d31ebedeb6fc14
sha1
a361825ebf8f3a7d22fd764d2123cdf80f7cadd5
sha256
32655c2655cfc6ba2cb723805f9983fb2cf387196b18edcec92493fc9205c58d
sha512
de3a4f189ff02b07b4aff10c78fa7bb390b9b90bb37e7cb7075d94be12cb40d3753bd799e92b80266ee3edf888a51610c4554438bbd98ba35de48b22f16fecd8
ripemd-160
14b0680c97f6495d923ad78e91349992d9eb03b2
Diameter
410880782
Circumference
1290820046.2324
Area
1.3259328750431E+17
Volume
3.6320022438482E+25
Surface area
5.3037315001726E+17
Circumference
1290820046.2324
Perimeter
821761564
Area
42205754254232881
Diagonal
290536587.21143
Surface area
253234525525397286
Volume
8.6707666564395E+24
Space diagonal
355833195.13882
Perimeter
616321173
Area
1.8275627685024E+16
Altitude
177916597.56941
Surface area
1.8275627685024E+16
Volume
1.0218596501424E+24
Height
96845529.070477