205979209 is an odd 9-digits composite number following 205979208
and preceding 205979210 . In scientific notation, it is written as 2.05979209 × 10^8.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 190356480 positive integers (up to 205979209) that are relatively prime to 205979209.
205979209 has 16 divisors, whose sum is 222201280
The reverse of 205979209 is 902979502
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
two hundred five million nine hundred seventy-nine thousand two hundred nine
Scientific notation
2.05979209 × 10^8
Engineering notation
2.05979209 × 10^6
Prime Factorization
19 × 73 × 97 × 1531
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
205979209
Product of the distinct prime numbers
The prime factorization of 205979209 is 19 × 73 × 97 × 1531.
Since it has a total of 4 prime factors.
4 , 10 , 31 , 63 , 49 , 491 , 6717 , 937 , 44390 , 96056 , 9138 , 883551 , 3385770 , 5388227 , 57971830 , 88020757 , 432351013 , 622012233 , 3554536862 , 1855001261
n×2
411958418
n×3
617937627
n×4
823916836
n×5
1029896045
n÷2
102989604.5
n÷3
68659736.333333
n÷3
51494802.25
n÷5
41195841.8
n2
42427434540265681
n3
8.7391694065032E+24
n4
1.8000872016685E+33
n5
3.7078053793071E+41
2 √n
14351.975787326
3 √n
590.57418869548
4 √n
119.79973200023
5 √n
46.000725076394
1 , 19 , 73 , 97 , 1387 , 1531 , 1843 , 7081 , 29089 , 111763 , 134539 , 148507 , 2123497 , 2821633 , 10841011 , 205979209
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
-205979208
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 205979209 can be divided by 16 positive divisors.
The sum of these divisors (counting 205979209) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100010001101111111001001001
3
Ternary
112100120211100121
4
Quaternary
30101233321021
5
Quinary
410212313314
6
Senary
32234503241
8
Octal
1421577111
10
Decimal
205979209
12
Duodecimal
58b94b21
16
Hexadecimal
c46fe49
20
Vigesimal
3477809
36
Base36
3emukp
md5
86136d835d5cd6e0e2b05d822e0fb18c
sha1
340a06756ac6f6a3b59ec3943874d7ca6e8f9785
sha256
1f1daac05bdd12e33d7d17c889e895cfb0822e8dee2fc5717cec449b1e2029bf
sha512
6557b93acc3e811e922d6ad90f085aef4937630cdc56596f67a885b22d0dfadf6b7c68f766dfada6c9569213495101b356ee533cf7e40fa5536f5c32a78d1b15
ripemd-160
53e7d8734457efad24c726ec98eef0f82df4ab1d
Diameter
411958418
Circumference
1294205539.5733
Area
1.3328971666236E+17
Volume
3.660654720793E+25
Surface area
5.3315886664944E+17
Circumference
1294205539.5733
Perimeter
823916836
Area
42427434540265681
Diagonal
291298590.93468
Surface area
254564607241594086
Volume
8.7391694065032E+24
Space diagonal
356766455.29085
Perimeter
617937627
Area
1.8371618064636E+16
Altitude
178383227.64542
Surface area
1.8371618064636E+16
Volume
1.0299209915461E+24
Height
97099530.311561