206819990 is an even 9-digits composite number following 206819989
and preceding 206819991 . In scientific notation, it is written as 2.06819990 × 10^8.
The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors.
There are 74499840 positive integers (up to 206819990) that are relatively prime to 206819990.
206819990 has 16 divisors, whose sum is 322694064
The reverse of 206819990 is 099918602
Previous prime number is 41
Is Prime? no
Number parity even
Number length 9
Sum of Digits 44
Digital Root 8
Name
two hundred six million eight hundred nineteen thousand nine hundred ninety
Scientific notation
2.06819990 × 10^8
Engineering notation
2.06819990 × 10^6
Prime Factorization
2 × 65 × 41 × 38803
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
206819990
Product of the distinct prime numbers
The prime factorization of 206819990 is 2 × 65 × 41 × 38803.
Since it has a total of 4 prime factors.
10 , 7 , 88 , 16 , 531 , 789 , 5900 , 1079 , 21769 , 37084 , 495039 , 325108 , 4755191 , 7232916 , 90430669 , 64290272 , 892892360 , 200360325 , 8069257628 , 804061015
n×2
413639980
n×3
620459970
n×4
827279960
n×5
1034099950
n÷2
103409995
n÷3
68939996.666667
n÷3
51704997.5
n÷5
41363998
n2
42774508263600100
n3
8.8466233713327E+24
n4
1.8296585571928E+33
n5
3.7840996450203E+41
2 √n
14381.237429373
3 √n
591.37664747762
4 √n
119.92179714036
5 √n
46.038217734952
1 , 2 , 41 , 65 , 82 , 130 , 2665 , 5330 , 38803 , 77606 , 1590923 , 2522195 , 3181846 , 5044390 , 103409995 , 206819990
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
-206819989
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 206819990 can be divided by 16 positive divisors.
The sum of these divisors (counting 206819990) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100010100111101001010010110
3
Ternary
112102011112200122
4
Quaternary
30110331022112
5
Quinary
410421214430
6
Senary
32304511542
8
Octal
1424751226
10
Decimal
206819990
12
Duodecimal
5931b5b2
16
Hexadecimal
c53d296
20
Vigesimal
34cc9ja
36
Base36
3f4vbq
md5
729bb0955665ce145ec83338fb1b6128
sha1
78b1c0cfead7c96ad726424240376935bb367732
sha256
60538e6ced3cedabc927d8540be05ab43071169e16c257157a2ceefaf957b4f4
sha512
7e7bf0dfdbe60b5e8ffcc06f8fcfcc8cb82f36fc615d0ce53dbc7297dbbeb1159c432ca7e1f23ff097496f266b0ab157a2205a8c98f9f59080bd308a5220d4e0
ripemd-160
0be2295d5b6ac8d07edcf1627f8e1c33a4fa64b5
Diameter
413639980
Circumference
1299488322.399
Area
1.3438008092184E+17
Volume
3.7056649323273E+25
Surface area
5.3752032368737E+17
Circumference
1299488322.399
Perimeter
827279960
Area
42774508263600100
Diagonal
292487634.82787
Surface area
256647049581600600
Volume
8.8466233713327E+24
Space diagonal
358222730.70089
Perimeter
620459970
Area
1.8521905395333E+16
Altitude
179111365.35044
Surface area
1.8521905395333E+16
Volume
1.0425845627455E+24
Height
97495878.275956