207989681 is an odd 9-digits prime number following 207989680
and preceding 207989682 . In scientific notation, it is written as 2.07989681 × 10^8.
The sum of its digits is 50. It has a total of 1 prime factors and 2 positive divisors.
There are 207989680 positive integers (up to 207989681) that are relatively prime to 207989681.
207989681 has 2 divisors, whose sum is 207989682
The reverse of 207989681 is 186989702
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5
Name
two hundred seven million nine hundred eighty-nine thousand six hundred eighty-one
Scientific notation
2.07989681 × 10^8
Engineering notation
2.07989681 × 10^6
Prime Factorization
207989681
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
207989681
Product of the distinct prime numbers
The prime factorization of 207989681 is 207989681.
Since it has a total of 1 prime factors.
2 , 5 , 94 , 10 , 697 , 85 , 6142 , 6912 , 2134 , 93114 , 668292 , 507828 , 9484078 , 5749856 , 49283237 , 30147974 , 983364360 , 208009048 , 3032656733 , 5618020635
n×2
415979362
n×3
623969043
n×4
831958724
n×5
1039948405
n÷2
103994840.5
n÷3
69329893.666667
n÷3
51997420.25
n÷5
41597936.2
n2
43259707402481761
n3
8.9975727427955E+24
n4
1.8714022845483E+33
n5
3.8923236418588E+41
2 √n
14421.847350461
3 √n
592.4894154435
4 √n
120.09099612569
5 √n
46.090175070395
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
207989682
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
103994841
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
14421.847385131
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999903841
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 207989681 can be divided by 2 positive divisors.
The sum of these divisors (counting 207989681) is 207989682, the average is 103994841.
Base
System
Value
2
Binary
1100011001011010101110110001
3
Ternary
112111100222012112
4
Quaternary
30121122232301
5
Quinary
411221132211
6
Senary
32345535105
8
Octal
1431325661
10
Decimal
207989681
12
Duodecimal
597a4495
16
Hexadecimal
c65abb1
20
Vigesimal
34jie41
36
Base36
3ftxv5
md5
9e5ad284dabe1b5a60d0baa0f1f04ca5
sha1
f3f91f7a5e7b020419d6db4db5514beac9b98417
sha256
297042f119699227c6bc7712275a46fade6dafded82bf4b8fdae56f12b5965d1
sha512
f9f834da44b8ccff2abd2f6bcd47092eaeea650542f949b6a61bcead57a8554df0771ca874db82fbf2d416868af53eac7afa92eb99b31e02e8f5bcae3c8e8485
ripemd-160
cc6ff4b9429c2503d9bf9c4f068cbbd7a463a616
Diameter
415979362
Circumference
1306837707.7042
Area
1.3590437897208E+17
Volume
3.7688944571875E+25
Surface area
5.4361751588832E+17
Circumference
1306837707.7042
Perimeter
831958724
Area
43259707402481761
Diagonal
294141827.70385
Surface area
259558244414890566
Volume
8.9975727427955E+24
Space diagonal
360248694.94204
Perimeter
623969043
Area
1.8732002785415E+16
Altitude
180124347.47102
Surface area
1.8732002785415E+16
Volume
1.060374116775E+24
Height
98047275.901285