205013985 is an odd 9-digits composite number following 205013984
and preceding 205013986 . In scientific notation, it is written as 2.05013985 × 10^8.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 97766400 positive integers (up to 205013985) that are relatively prime to 205013985.
205013985 has 16 divisors, whose sum is 242484480
The reverse of 205013985 is 589310502
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 33
Digital Root 6
Name
two hundred five million thirteen thousand nine hundred eighty-five
Scientific notation
2.05013985 × 10^8
Engineering notation
2.05013985 × 10^6
Prime Factorization
15 × 11 × 61 × 20369
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
205013985
Product of the distinct prime numbers
The prime factorization of 205013985 is 15 × 11 × 61 × 20369.
Since it has a total of 4 prime factors.
5 , 1 , 59 , 33 , 896 , 817 , 8060 , 5568 , 10034 , 4398 , 8060 , 143578 , 6782617 , 5738051 , 8839327 , 73931576 , 337328434 , 229509752 , 4559675249 , 7345228735
n×2
410027970
n×3
615041955
n×4
820055940
n×5
1025069925
n÷2
102506992.5
n÷3
68337995
n÷3
51253496.25
n÷5
41002797
n2
42030734045580225
n3
8.6168882791596E+24
n4
1.7665826044103E+33
n5
3.6217413956183E+41
2 √n
14318.309432332
3 √n
589.65026193833
4 √n
119.65913852411
5 √n
45.957531916701
1 , 11 , 15 , 61 , 165 , 671 , 915 , 10065 , 20369 , 224059 , 305535 , 1242509 , 3360885 , 13667599 , 18637635 , 205013985
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
-205013984
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 205013985 can be divided by 16 positive divisors.
The sum of these divisors (counting 205013985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100001110000100001111100001
3
Ternary
112021202210022120
4
Quaternary
30032010033201
5
Quinary
404440421420
6
Senary
32202054453
8
Octal
1416041741
10
Decimal
205013985
12
Duodecimal
587aa429
16
Hexadecimal
c3843e1
20
Vigesimal
3416ej5
36
Base36
3e25sx
md5
9accd050b445c77e8d12113b4256a617
sha1
dfbb69b5ebdfe6c2affcb50d692afe3875d2776d
sha256
1f5d6fe247ab379ad602a87c489ccccd5d07da98063b71ef44876974b5c9e643
sha512
468c066ba2b1e6ef5c2456721850609f8c30dce5ccdd3b7b4405b02d8898e6de937995dc7f894cac6805e40c0d2a7628d51c32aa0bd39be15b8cc558c477bb3c
ripemd-160
76d4608ea54c3066d2e29ec50a0b5b5b3598d03c
Diameter
410027970
Circumference
1288140858.3183
Area
1.3204344530258E+17
Volume
3.6094337219482E+25
Surface area
5.2817378121032E+17
Circumference
1288140858.3183
Perimeter
820055940
Area
42030734045580225
Diagonal
289933558.06315
Surface area
252184404273481350
Volume
8.6168882791596E+24
Space diagonal
355094638.28216
Perimeter
615041955
Area
1.819984171159E+16
Altitude
177547319.14108
Surface area
1.819984171159E+16
Volume
1.0155100224868E+24
Height
96644519.354385