209440881 is an odd 9-digits composite number following 209440880
and preceding 209440882 . In scientific notation, it is written as 2.09440881 × 10^8.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 128307456 positive integers (up to 209440881) that are relatively prime to 209440881.
209440881 has 16 divisors, whose sum is 287702400
The reverse of 209440881 is 188044902
Previous prime number is 229
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
two hundred nine million four hundred forty thousand eight hundred eighty-one
Scientific notation
2.09440881 × 10^8
Engineering notation
2.09440881 × 10^6
Prime Factorization
39 × 3 × 229 × 7817
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
209440881
Product of the distinct prime numbers
The prime factorization of 209440881 is 39 × 3 × 229 × 7817.
Since it has a total of 4 prime factors.
1 , 8 , 9 , 21 , 117 , 546 , 3724 , 1829 , 57301 , 6314 , 919434 , 610709 , 8027112 , 9631939 , 3860897 , 66221555 , 869721007 , 574781715 , 8914483580 , 4681986084
n×2
418881762
n×3
628322643
n×4
837763524
n×5
1047204405
n÷2
104720440.5
n÷3
69813627
n÷3
52360220.25
n÷5
41888176.2
n2
43865482634056161
n3
9.1872253283669E+24
n4
1.9241805667187E+33
n5
4.0300207309664E+41
2 √n
14472.072450067
3 √n
593.86420900348
4 √n
120.29992705761
5 √n
46.154313028201
1 , 3 , 39 , 117 , 229 , 687 , 7817 , 8931 , 23451 , 26793 , 304863 , 914589 , 1790093 , 5370279 , 69813627 , 209440881
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
-209440880
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 209440881 can be divided by 16 positive divisors.
The sum of these divisors (counting 209440881) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100011110111101000001110001
3
Ternary
112121002200212200
4
Quaternary
30132331001301
5
Quinary
412104102011
6
Senary
32441013413
8
Octal
1436750161
10
Decimal
209440881
12
Duodecimal
5a184269
16
Hexadecimal
c7bd071
20
Vigesimal
3590241
36
Base36
3gp1m9
md5
9a312b3d7219274ddc21f1919d90d6ae
sha1
72fa75e654038d0494d5733871a76c3e22db50fc
sha256
864e58af7c78358b8aa10c6e8f55d7c65fa6218f9f8fd2357d8a81a5f5c57d60
sha512
ea0636877323cc157b2a61e2a6ee960403d0433a1cc9e0b185cdcb7c8859873dd95ef5596fe801fcaa203f8c808ffa6aa3bf3afaf4b681b9fe0b09c3eb563bcc
ripemd-160
0c09a81665b422d68a1531bd6195af60285b0e37
Diameter
418881762
Circumference
1315955866.2219
Area
1.3780747798932E+17
Volume
3.8483359464629E+25
Surface area
5.5122991195729E+17
Circumference
1315955866.2219
Perimeter
837763524
Area
43865482634056161
Diagonal
296194134.42557
Surface area
263192895804336966
Volume
9.1872253283669E+24
Space diagonal
362762247.07399
Perimeter
628322643
Area
1.8994311155179E+16
Altitude
181381123.53699
Surface area
1.8994311155179E+16
Volume
1.0827248883295E+24
Height
98731378.141857