209439257 is an odd 9-digits composite number following 209439256
and preceding 209439258 . In scientific notation, it is written as 2.09439257 × 10^8.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 208806180 positive integers (up to 209439257) that are relatively prime to 209439257.
209439257 has 4 divisors, whose sum is 210072336
The reverse of 209439257 is 752934902
Previous prime number is 331
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 41
Digital Root 5
Name
two hundred nine million four hundred thirty-nine thousand two hundred fifty-seven
Scientific notation
2.09439257 × 10^8
Engineering notation
2.09439257 × 10^6
Prime Factorization
331 × 632747
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
209439257
Product of the distinct prime numbers
The prime factorization of 209439257 is 331 × 632747.
Since it has a total of 2 prime factors.
9 , 3 , 43 , 22 , 573 , 631 , 6997 , 3533 , 5488 , 13983 , 230997 , 41943 , 6947218 , 9526739 , 61404472 , 65002114 , 835825601 , 727322329 , 8461390975 , 2828117016
n×2
418878514
n×3
628317771
n×4
837757028
n×5
1047196285
n÷2
104719628.5
n÷3
69813085.666667
n÷3
52359814.25
n÷5
41887851.4
n2
43864802372712049
n3
9.1870116173926E+24
n4
1.9241208871971E+33
n5
4.0298644899274E+41
2 √n
14472.016341892
3 √n
593.86267406283
4 √n
120.29969385619
5 √n
46.154241452073
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
-209439256
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 209439257 can be divided by 4 positive divisors.
The sum of these divisors (counting 209439257) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100011110111100101000011001
3
Ternary
112121002121122112
4
Quaternary
30132330220121
5
Quinary
412104024012
6
Senary
32441002105
8
Octal
1436745031
10
Decimal
209439257
12
Duodecimal
5a183335
16
Hexadecimal
c7bca19
20
Vigesimal
358ji2h
36
Base36
3gp0d5
md5
36d43e9b512482959e71f11ee8fecde5
sha1
ff811681f9878e9f67dda0f9d6f9153e405fa5c2
sha256
26a1363966fde85a1d4cda3a794b58bdd52b09c8d39e6ee3e0b76d0fe3ac6c38
sha512
c2b89db39a8120f0962de4ef2b543e73ed09c9396b1c6428a2f4f9f34b4fd6b099c7b113bb26453f92cecfb34fb44966bce00ab201cfcf09632d2dab7d7c45d9
ripemd-160
14dc0cea6aac65a970e78055d2a240c9f406f033
Diameter
418878514
Circumference
1315945662.329
Area
1.3780534088528E+17
Volume
3.8482464274193E+25
Surface area
5.5122136354112E+17
Circumference
1315945662.329
Perimeter
837757028
Area
43864802372712049
Diagonal
296191837.74274
Surface area
263188814236272294
Volume
9.1870116173926E+24
Space diagonal
362759434.22348
Perimeter
628317771
Area
1.8994016593376E+16
Altitude
181379717.11174
Surface area
1.8994016593376E+16
Volume
1.0826997022497E+24
Height
98730612.580915