206989745 is an odd 9-digits composite number following 206989744
and preceding 206989746 . In scientific notation, it is written as 2.06989745 × 10^8.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 161740656 positive integers (up to 206989745) that are relatively prime to 206989745.
206989745 has 8 divisors, whose sum is 254164416
The reverse of 206989745 is 547989602
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5
Name
two hundred six million nine hundred eighty-nine thousand seven hundred forty-five
Scientific notation
2.06989745 × 10^8
Engineering notation
2.06989745 × 10^6
Prime Factorization
5 × 43 × 962743
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
206989745
Product of the distinct prime numbers
The prime factorization of 206989745 is 5 × 43 × 962743.
Since it has a total of 3 prime factors.
3 , 6 , 38 , 34 , 191 , 106 , 2989 , 2789 , 74064 , 33027 , 134221 , 277920 , 5736806 , 8741978 , 14109470 , 31032054 , 645064930 , 590711336 , 9502742324 , 8460178806
n×2
413979490
n×3
620969235
n×4
827958980
n×5
1034948725
n÷2
103494872.5
n÷3
68996581.666667
n÷3
51747436.25
n÷5
41397949
n2
42844754535165025
n3
8.8684248158214E+24
n4
1.8356729911785E+33
n5
3.7996548434743E+41
2 √n
14387.138179638
3 √n
591.53840116707
4 √n
119.94639710987
5 √n
46.045772761974
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
-206989744
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 206989745 can be divided by 8 positive divisors.
The sum of these divisors (counting 206989745) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100010101100110100110110001
3
Ternary
112102111011112212
4
Quaternary
30111212212301
5
Quinary
410442132440
6
Senary
32312301505
8
Octal
1425464661
10
Decimal
206989745
12
Duodecimal
593a1895
16
Hexadecimal
c5669b1
20
Vigesimal
34dde75
36
Base36
3f8ib5
md5
803f6d303d4ec9a8789a427f2dee96e9
sha1
038c2ed728080176e189c80215efb733bd2cf989
sha256
e7d92a63f101e8ad11e130deac9600b08536619f7673bce3e63467c92ad9ef92
sha512
bafdb4cc92746fb26e93ff2923f0840a6a9ffbb3a19b3682613df146535f1192065f652911aae441772eebc0d15a4625724ac53ba66f3aa477cbe09033900c45
ripemd-160
a5d1c5e1d7c9359da8cc1180340ebeb3f0cbab66
Diameter
413979490
Circumference
1300554924.5208
Area
1.3460076609253E+17
Volume
3.7147971000397E+25
Surface area
5.3840306437013E+17
Circumference
1300554924.5208
Perimeter
827958980
Area
42844754535165025
Diagonal
292727704.65115
Surface area
257068527210990150
Volume
8.8684248158214E+24
Space diagonal
358516754.98573
Perimeter
620969235
Area
1.8552322923181E+16
Altitude
179258377.49286
Surface area
1.8552322923181E+16
Volume
1.0451538876184E+24
Height
97575901.550383