668727986 is an even 9-digits composite number following 668727985
and preceding 668727987 . In scientific notation, it is written as 6.68727986 × 10^8.
The sum of its digits is 59. It has a total of 2 prime factors and 4 positive divisors.
There are 334363992 positive integers (up to 668727986) that are relatively prime to 668727986.
668727986 has 4 divisors, whose sum is 1003091982
The reverse of 668727986 is 689727866
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 59
Digital Root 5
Name
six hundred sixty-eight million seven hundred twenty-seven thousand nine hundred eighty-six
Scientific notation
6.68727986 × 10^8
Engineering notation
6.68727986 × 10^6
Prime Factorization
2 × 334363993
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
668727986
Product of the distinct prime numbers
The prime factorization of 668727986 is 2 × 334363993.
Since it has a total of 2 prime factors.
7 , 7 , 30 , 72 , 506 , 281 , 6385 , 6830 , 29499 , 85257 , 138743 , 27034 , 5331267 , 4339149 , 35766111 , 84588057 , 839577154 , 823426484 , 1129461454 , 4101470510
n×2
1337455972
n×3
2006183958
n×4
2674911944
n×5
3343639930
n÷2
334363993
n÷3
222909328.66667
n÷3
167181996.5
n÷5
133745597.2
n2
447197119259616196
n3
2.9905322890748E+26
n4
1.999852634741E+35
n5
1.3373574247271E+44
2 √n
25859.775443727
3 √n
874.47990250863
4 √n
160.80974921853
5 √n
58.217010432187
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
-668727985
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 668727986 can be divided by 4 positive divisors.
The sum of these divisors (counting 668727986) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111110110111111101010110010
3
Ternary
1201121022220100012
4
Quaternary
213312333222302
5
Quinary
2332143243421
6
Senary
150205054522
8
Octal
4766775262
10
Decimal
668727986
12
Duodecimal
167b57442
16
Hexadecimal
27dbfab2
20
Vigesimal
a8jajj6
36
Base36
b255te
md5
a9904b0132bf9a1908aa0b2e153e53aa
sha1
7771258fe42eed4958aab4ab4d169bce9f7c6d4a
sha256
3ad6716c70f6dd25389379dedcd40d3e0b9ea92fc5a9dce3c0c29c16b671d667
sha512
fa45c73f44b8ff4a2d4b014e5319099add4bd518168fb67256f78d61a5e200179acc0435d025fe3f8fae88cd9bb8d037c615c667e99b53055dc8d25d28116d46
ripemd-160
9ed236a6cc28dc382295eca31328999add2cb898
Diameter
1337455972
Circumference
4201741856.135
Area
1.4049111845725E+18
Volume
1.2526712359574E+27
Surface area
5.6196447382901E+18
Circumference
4201741856.135
Perimeter
2674911944
Area
447197119259616196
Diagonal
945724187.33965
Surface area
2683182715557697176
Volume
2.9905322890748E+26
Space diagonal
1158270848.1952
Perimeter
2006183958
Area
1.9364203288902E+17
Altitude
579135424.0976
Surface area
1.9364203288902E+17
Volume
3.5243761016036E+25
Height
315241395.77988