209986145 is an odd 9-digits composite number following 209986144
and preceding 209986146 . In scientific notation, it is written as 2.09986145 × 10^8.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 167191920 positive integers (up to 209986145) that are relatively prime to 209986145.
209986145 has 8 divisors, whose sum is 253178880
The reverse of 209986145 is 541689902
Previous prime number is 211
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
two hundred nine million nine hundred eighty-six thousand one hundred forty-five
Scientific notation
2.09986145 × 10^8
Engineering notation
2.09986145 × 10^6
Prime Factorization
5 × 211 × 199039
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
209986145
Product of the distinct prime numbers
The prime factorization of 209986145 is 5 × 211 × 199039.
Since it has a total of 3 prime factors.
8 , 9 , 38 , 67 , 73 , 96 , 5909 , 8375 , 14107 , 61907 , 941119 , 69225 , 5002620 , 3103344 , 46848616 , 27532901 , 969411170 , 310530016 , 6039958330 , 7266609275
n×2
419972290
n×3
629958435
n×4
839944580
n×5
1049930725
n÷2
104993072.5
n÷3
69995381.666667
n÷3
52496536.25
n÷5
41997229
n2
44094181091961025
n3
9.2591671044328E+24
n4
1.9442968061707E+33
n5
4.0827539106359E+41
2 √n
14490.898695388
3 √n
594.37912307793
4 √n
120.37814874548
5 √n
46.178319916111
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
-209986144
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 209986145 can be divided by 8 positive divisors.
The sum of these divisors (counting 209986145) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100100001000010001001100001
3
Ternary
112122010101211122
4
Quaternary
30201002021201
5
Quinary
412224024040
6
Senary
32500422025
8
Octal
1441021141
10
Decimal
209986145
12
Duodecimal
5a3a7915
16
Hexadecimal
c842261
20
Vigesimal
35c8575
36
Base36
3h0qch
md5
8bb938c6410339b2242c2c2c05d9a9a7
sha1
04c6de1bd37f9dea8b6839942441e87cb1db3917
sha256
88450cbec6a776df27b05b7de37a74379d73a9ef83d339e6653acb0941e85a6b
sha512
18560a6ef10edaa87dbbf20b68560ec438ec2a530728224c78a038d38903184d91b8271eae60429fdc94edf8944e58fe6ac6059a0eb7aa5aec515b53b240ea17
ripemd-160
5a7d49794fa7562379c43bc68c5674d63dd375f2
Diameter
419972290
Circumference
1319381860.9753
Area
1.3852595538456E+17
Volume
3.8784708471528E+25
Surface area
5.5410382153825E+17
Circumference
1319381860.9753
Perimeter
839944580
Area
44094181091961025
Diagonal
296965254.16944
Surface area
264565086551766150
Volume
9.2591671044328E+24
Space diagonal
363706672.02553
Perimeter
629958435
Area
1.9093340492355E+16
Altitude
181853336.01276
Surface area
1.9093340492355E+16
Volume
1.0912033079473E+24
Height
98988418.056481