207979985 is an odd 9-digits composite number following 207979984
and preceding 207979986 . In scientific notation, it is written as 2.07979985 × 10^8.
The sum of its digits is 56. It has a total of 4 prime factors and 16 positive divisors.
There are 157401216 positive integers (up to 207979985) that are relatively prime to 207979985.
207979985 has 16 divisors, whose sum is 263088000
The reverse of 207979985 is 589979702
Previous prime number is 1049
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 56
Digital Root 2
Name
two hundred seven million nine hundred seventy-nine thousand nine hundred eighty-five
Scientific notation
2.07979985 × 10^8
Engineering notation
2.07979985 × 10^6
Prime Factorization
5 × 19 × 1049 × 2087
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
207979985
Product of the distinct prime numbers
The prime factorization of 207979985 is 5 × 19 × 1049 × 2087.
Since it has a total of 4 prime factors.
1 , 3 , 18 , 7 , 752 , 225 , 4705 , 9950 , 38672 , 82878 , 25407 , 391335 , 1491251 , 661749 , 78221233 , 70181360 , 352838376 , 500613758 , 9938583573 , 2155233066
n×2
415959970
n×3
623939955
n×4
831919940
n×5
1039899925
n÷2
103989992.5
n÷3
69326661.666667
n÷3
51994996.25
n÷5
41595997
n2
43255674160600225
n3
8.9963144630865E+24
n4
1.871053347088E+33
n5
3.8914164706157E+41
2 √n
14421.511189886
3 √n
592.48020846968
4 √n
120.0895965098
5 √n
46.089745338815
1 , 5 , 19 , 95 , 1049 , 2087 , 5245 , 10435 , 19931 , 39653 , 99655 , 198265 , 2189263 , 10946315 , 41595997 , 207979985
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
-207979984
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 207979985 can be divided by 16 positive divisors.
The sum of these divisors (counting 207979985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100011001011000010111010001
3
Ternary
112111100110220102
4
Quaternary
30121120113101
5
Quinary
411220324420
6
Senary
32345422145
8
Octal
1431302721
10
Decimal
207979985
12
Duodecimal
5979a955
16
Hexadecimal
c6585d1
20
Vigesimal
34jh9j5
36
Base36
3ftqdt
md5
fb4531891bdd29db8617c2d920ea4383
sha1
efcc5896e086845c8fd6e5f83d62ea8c5c35108c
sha256
f7e47bdffd1b67ff789a979333924f97aecdeebf8fa802388e182e59387b7527
sha512
160646113921bd6c7a5c275f121b6383a83c90d9077a3500603c8e7ff6feb8aa613b62a9445176496a41b73e7865c85817751c834b25355c4730c00d3a6d0ca3
ripemd-160
df92ab024720de151559fde969f314b940376917
Diameter
415959970
Circumference
1306776785.9394
Area
1.3589170816902E+17
Volume
3.7683673902155E+25
Surface area
5.4356683267606E+17
Circumference
1306776785.9394
Perimeter
831919940
Area
43255674160600225
Diagonal
294128115.48915
Surface area
259534044963601350
Volume
8.9963144630865E+24
Space diagonal
360231900.97741
Perimeter
623939955
Area
1.8730256340451E+16
Altitude
180115950.48871
Surface area
1.8730256340451E+16
Volume
1.0602258270892E+24
Height
98042705.163051