206989731 is an odd 9-digits composite number following 206989730
and preceding 206989732 . In scientific notation, it is written as 2.06989731 × 10^8.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 127184256 positive integers (up to 206989731) that are relatively prime to 206989731.
206989731 has 8 divisors, whose sum is 209077120
The reverse of 206989731 is 137989602
Previous prime number is 1129
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
two hundred six million nine hundred eighty-nine thousand seven hundred thirty-one
Scientific notation
2.06989731 × 10^8
Engineering notation
2.06989731 × 10^6
Prime Factorization
117 × 1129 × 1567
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
206989731
Product of the distinct prime numbers
The prime factorization of 206989731 is 117 × 1129 × 1567.
Since it has a total of 3 prime factors.
7 , 2 , 68 , 87 , 874 , 57 , 3930 , 7881 , 83761 , 85152 , 394443 , 926736 , 532840 , 261771 , 77017240 , 40871893 , 859625036 , 450286929 , 5644010987 , 4362307005
n×2
413979462
n×3
620969193
n×4
827958924
n×5
1034948655
n÷2
103494865.5
n÷3
68996577
n÷3
51747432.75
n÷5
41397946.2
n2
42844748739452361
n3
8.8684230163418E+24
n4
1.8356724945468E+33
n5
3.7996535585034E+41
2 √n
14387.137693092
3 √n
591.5383878306
4 √n
119.94639508169
5 √n
46.045772139101
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
-206989730
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 206989731 can be divided by 8 positive divisors.
The sum of these divisors (counting 206989731) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100010101100110100110100011
3
Ternary
112102111011112100
4
Quaternary
30111212212203
5
Quinary
410442132411
6
Senary
32312301443
8
Octal
1425464643
10
Decimal
206989731
12
Duodecimal
593a1883
16
Hexadecimal
c5669a3
20
Vigesimal
34dde6b
36
Base36
3f8iar
md5
f97df0634c1406c8374a40020eefc21a
sha1
68c99ffa983324199266f53ed932842bc0fbe0b4
sha256
b25edd62be6b08e41d9d4bcc098a59b6d111769eae44b46da11fca1525919bb3
sha512
5981493cb16badf429cdcf2c39be8e521872a02bc181f2339df102ac77816207af55a5bda61555dded30ec758fffab09dae36a25561c516542f888ed430eb55b
ripemd-160
1e38523ed0a58f23ca2a84d8553e89f6150c0789
Diameter
413979462
Circumference
1300554836.5563
Area
1.3460074788476E+17
Volume
3.7147963462755E+25
Surface area
5.3840299153906E+17
Circumference
1300554836.5563
Perimeter
827958924
Area
42844748739452361
Diagonal
292727684.85216
Surface area
257068492436714166
Volume
8.8684230163418E+24
Space diagonal
358516730.73701
Perimeter
620969193
Area
1.8552320413564E+16
Altitude
179258365.36851
Surface area
1.8552320413564E+16
Volume
1.0451536755477E+24
Height
97575894.95072