207989 is an odd 6-digits composite number following 207988
and preceding 207990 . In scientific notation, it is written as 2.07989 × 10^5.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 198924 positive integers (up to 207989) that are relatively prime to 207989.
207989 has 4 divisors, whose sum is 217056
The reverse of 207989 is 989702
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 35
Digital Root 8
Name
two hundred seven thousand nine hundred eighty-nine
Scientific notation
2.07989 × 10^5
Engineering notation
2.07989 × 10^3
Prime Factorization
23 × 9043
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
207989
Product of the distinct prime numbers
The prime factorization of 207989 is 23 × 9043.
Since it has a total of 2 prime factors.
6 , 4 , 46 , 2 , 647 , 77 , 2329 , 4537 , 38551 , 74513 , 177138 , 812641 , 6158656 , 981841 , 49953091 , 12044039 , 458016982 , 485729308 , 3887216750 , 9603666742
n×2
415978
n×3
623967
n×4
831956
n×5
1039945
n÷2
103994.5
n÷3
69329.666666667
n÷3
51997.25
n÷5
41597.8
n2
43259424121
n3
8997484363502669
n4
1.8713777752806E+21
n5
3.8922599210283E+26
2 √n
456.05811033244
3 √n
59.248876879967
4 √n
21.355517093539
5 √n
11.577320957213
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-207988
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 207989 can be divided by 4 positive divisors.
The sum of these divisors (counting 207989) is 1, the average is 0.25.
Base
System
Value
2
Binary
110010110001110101
3
Ternary
101120022022
4
Quaternary
302301311
5
Quinary
23123424
6
Senary
4242525
8
Octal
626165
10
Decimal
207989
12
Duodecimal
a0445
16
Hexadecimal
32c75
20
Vigesimal
15jj9
36
Base36
4ghh
md5
b080b4bd7a1458ca60029ae80b0b4177
sha1
de645c67d64b682c860e9b42233850e743dfd4cd
sha256
4f95a42a5a714a63d7fa00dc829ea54c99e6af450055d4a952ae3f7cae62c12e
sha512
d33385822b5e50ac8f0f279ab2f72e0e76d14e9aca9d3c73ad05314b114affaca25e510620ff3a403f521f6ee67a9fb190517d9c9b72deef06452adcabae50d0
ripemd-160
a2a5bba3c0dd2a5a9afb6fe855291974006ea4ba
Diameter
415978
Circumference
1306833.428855
Area
135903489017.06
Volume
3.7688574369559E+16
Surface area
543613956068.23
Circumference
1306833.428855
Perimeter
831956
Area
43259424121
Diagonal
294140.86462442
Surface area
259556544726
Volume
8997484363502669
Space diagonal
360247.51541544
Perimeter
623967
Area
18731880120.936
Altitude
180123.75770772
Surface area
18731880120.936
Volume
1.0603637011754E+15
Height
98046.954874806