209908091 is an odd 9-digits composite number following 209908090
and preceding 209908092 . In scientific notation, it is written as 2.09908091 × 10^8.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 209091072 positive integers (up to 209908091) that are relatively prime to 209908091.
209908091 has 4 divisors, whose sum is 210725112
The reverse of 209908091 is 190809902
Previous prime number is 257
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
two hundred nine million nine hundred eight thousand ninety-one
Scientific notation
2.09908091 × 10^8
Engineering notation
2.09908091 × 10^6
Prime Factorization
257 × 816763
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
209908091
Product of the distinct prime numbers
The prime factorization of 209908091 is 257 × 816763.
Since it has a total of 2 prime factors.
1 , 6 , 94 , 10 , 476 , 435 , 8637 , 8254 , 57820 , 20627 , 112705 , 944629 , 3907349 , 5693564 , 86638129 , 14941960 , 152476201 , 296597813 , 5918149962 , 7575872186
n×2
419816182
n×3
629724273
n×4
839632364
n×5
1049540455
n÷2
104954045.5
n÷3
69969363.666667
n÷3
52477022.75
n÷5
41981618.2
n2
44061406667264281
n3
9.2488457603001E+24
n4
1.941407557498E+33
n5
4.0751715424739E+41
2 √n
14488.205237365
3 √n
594.30546834927
4 √n
120.36696073826
5 √n
46.174886414705
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-209908090
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 209908091 can be divided by 4 positive divisors.
The sum of these divisors (counting 209908091) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100100000101111000101111011
3
Ternary
112121222102202202
4
Quaternary
30200233011323
5
Quinary
412214024331
6
Senary
32455020415
8
Octal
1440570573
10
Decimal
209908091
12
Duodecimal
5a36a70b
16
Hexadecimal
c82f17b
20
Vigesimal
35bia4b
36
Base36
3gz24b
md5
589e4687e75cc6d627b5808fa5df5885
sha1
805d6389848065518533735ba3e2ebf8c2af887c
sha256
eca0065dd2f27ac39e103d4a9988a8748ac96f58f1d23bc97f6a8ac9b6876161
sha512
b665018f9fcbe242ab66e6b84498814451d5baa537960f24255d89e364bde62b3ae9e4938793bd18688a047ddf0515879344050564a8e850d207ada8a88d6222
ripemd-160
604a3646dac85aadba23d506029dad2cfb6856b5
Diameter
419816182
Circumference
1318891433.2293
Area
1.3842299149271E+17
Volume
3.8741474526325E+25
Surface area
5.5369196597084E+17
Circumference
1318891433.2293
Perimeter
839632364
Area
44061406667264281
Diagonal
296854869.14405
Surface area
264368440003585686
Volume
9.2488457603001E+24
Space diagonal
363571478.53179
Perimeter
629724273
Area
1.9079148750164E+16
Altitude
181785739.2659
Surface area
1.9079148750164E+16
Volume
1.0899869258761E+24
Height
98951623.048015