209957385 is an odd 9-digits composite number following 209957384
and preceding 209957386 . In scientific notation, it is written as 2.09957385 × 10^8.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 101796640 positive integers (up to 209957385) that are relatively prime to 209957385.
209957385 has 8 divisors, whose sum is 225807360
The reverse of 209957385 is 583759902
Previous prime number is 121
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 48
Digital Root 3
Name
two hundred nine million nine hundred fifty-seven thousand three hundred eighty-five
Scientific notation
2.09957385 × 10^8
Engineering notation
2.09957385 × 10^6
Prime Factorization
15 × 121 × 115679
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
209957385
Product of the distinct prime numbers
The prime factorization of 209957385 is 15 × 121 × 115679.
Since it has a total of 3 prime factors.
6 , 9 , 46 , 76 , 20 , 228 , 3953 , 3250 , 56216 , 55658 , 308753 , 107798 , 8367686 , 1677927 , 50483559 , 87701059 , 412850095 , 527763572 , 5775835839 , 6239428282
n×2
419914770
n×3
629872155
n×4
839829540
n×5
1049786925
n÷2
104978692.5
n÷3
69985795
n÷3
52489346.25
n÷5
41991477
n2
44082103516038225
n3
9.2553631795267E+24
n4
1.9432318503987E+33
n5
4.0799587775842E+41
2 √n
14489.906314397
3 √n
594.35198616998
4 √n
120.3740267433
5 √n
46.177054917179
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-209957384
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 209957385 can be divided by 8 positive divisors.
The sum of these divisors (counting 209957385) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100100000111011001000001001
3
Ternary
112122001221101110
4
Quaternary
30200323020021
5
Quinary
412222114020
6
Senary
32500040533
8
Octal
1440731011
10
Decimal
209957385
12
Duodecimal
5a393149
16
Hexadecimal
c83b209
20
Vigesimal
35c4d95
36
Base36
3h045l
md5
3430c8f4ee58fbc5f0e337c5f81e300b
sha1
894da80b74d18adb4af851fa89711c35af6b4b3c
sha256
cb00c6cb2b3ebf1e2e964dbfe85102b43e812983248c61c72ece0e3d718babd8
sha512
b8f9232d54a632dc326b9346e9299ff9fd415e46a55263d4c51089e57e42a2f3bc1b757b6b0af983ca837dd787822b062dd8393db3d215ecc20636326a750abd
ripemd-160
3799995a613a7b64fac19f4b2df30aebcb30bd27
Diameter
419914770
Circumference
1319201156.5658
Area
1.3848801256077E+17
Volume
3.8768774628142E+25
Surface area
5.5395205024308E+17
Circumference
1319201156.5658
Perimeter
839829540
Area
44082103516038225
Diagonal
296924581.38739
Surface area
264492621096229350
Volume
9.2553631795267E+24
Space diagonal
363656858.2443
Perimeter
629872155
Area
1.9088110748572E+16
Altitude
181828429.12215
Surface area
1.9088110748572E+16
Volume
1.0907550110979E+24
Height
98974860.462463