209856913 is an odd 9-digits composite number following 209856912
and preceding 209856914 . In scientific notation, it is written as 2.09856913 × 10^8.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 179877348 positive integers (up to 209856913) that are relatively prime to 209856913.
209856913 has 4 divisors, whose sum is 239836480
The reverse of 209856913 is 319658902
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
two hundred nine million eight hundred fifty-six thousand nine hundred thirteen
Scientific notation
2.09856913 × 10^8
Engineering notation
2.09856913 × 10^6
Prime Factorization
7 × 29979559
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
209856913
Product of the distinct prime numbers
The prime factorization of 209856913 is 7 × 29979559.
Since it has a total of 2 prime factors.
6 , 8 , 76 , 99 , 469 , 676 , 61 , 9892 , 13808 , 85947 , 242342 , 220382 , 9290804 , 78102 , 22066060 , 14963289 , 233805459 , 288739679 , 5110323187 , 7353941206
n×2
419713826
n×3
629570739
n×4
839427652
n×5
1049284565
n÷2
104928456.5
n÷3
69952304.333333
n÷3
52464228.25
n÷5
41971382.6
n2
44039923933889569
n3
9.2420824855209E+24
n4
1.9395149001028E+33
n5
4.0702060965307E+41
2 √n
14486.438934397
3 √n
594.25716492701
4 √n
120.35962335599
5 √n
46.172634601711
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
-209856912
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 209856913 can be divided by 4 positive divisors.
The sum of these divisors (counting 209856913) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100100000100010100110010001
3
Ternary
112121212211120021
4
Quaternary
30200202212101
5
Quinary
412210410123
6
Senary
32453543441
8
Octal
1440424621
10
Decimal
209856913
12
Duodecimal
5a344b81
16
Hexadecimal
c822991
20
Vigesimal
35bc25d
36
Base36
3gxymp
md5
a8a78c303e192435b850557fc6c8a21f
sha1
445d5dfa77c427bbb272a7409e24dfa5d3363639
sha256
23558884a34cfbfc4f41ef4054932ad39cddabf08f1c2b9f4d5f485038b792da
sha512
a234d3817851a254c9a87a161108469af74e7bdc9c24edd2bb917e36c576cb6a52089a36fc495122c908ec7570b04cb84e6788681c9ce912026525bb916486e2
ripemd-160
f0c80481bbc638548ecfce3504c1a5dbef75d9fb
Diameter
419713826
Circumference
1318569872.3717
Area
1.3835550149536E+17
Volume
3.8713144587178E+25
Surface area
5.5342200598144E+17
Circumference
1318569872.3717
Perimeter
839427652
Area
44039923933889569
Diagonal
296782492.52235
Surface area
264239543603337414
Volume
9.2420824855209E+24
Space diagonal
363482835.63556
Perimeter
629570739
Area
1.9069846453741E+16
Altitude
181741417.81778
Surface area
1.9069846453741E+16
Volume
1.0891898662995E+24
Height
98927497.50745