668717813 is an odd 9-digits prime number following 668717812
and preceding 668717814 . In scientific notation, it is written as 6.68717813 × 10^8.
The sum of its digits is 47. It has a total of 1 prime factors and 2 positive divisors.
There are 668717812 positive integers (up to 668717813) that are relatively prime to 668717813.
668717813 has 2 divisors, whose sum is 668717814
The reverse of 668717813 is 318717866
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
six hundred sixty-eight million seven hundred seventeen thousand eight hundred thirteen
Scientific notation
6.68717813 × 10^8
Engineering notation
6.68717813 × 10^6
Prime Factorization
668717813
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
668717813
Product of the distinct prime numbers
The prime factorization of 668717813 is 668717813.
Since it has a total of 1 prime factors.
8 , 7 , 17 , 84 , 532 , 96 , 7257 , 8970 , 76165 , 2688 , 365296 , 847091 , 2911950 , 1743322 , 42519871 , 73163279 , 208702355 , 935000989 , 8325500650 , 5837119473
n×2
1337435626
n×3
2006153439
n×4
2674871252
n×5
3343589065
n÷2
334358906.5
n÷3
222905937.66667
n÷3
167179453.25
n÷5
133743562.6
n2
447183513423502969
n3
2.9903958110622E+26
n4
1.9997309467779E+35
n5
1.3372557053177E+44
2 √n
25859.578747536
3 √n
874.47546815498
4 √n
160.80913763694
5 √n
58.216833306281
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
668717814
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
334358907
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
25859.578766871
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999970092
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 668717813 can be divided by 2 positive divisors.
The sum of these divisors (counting 668717813) is 668717814, the average is 334358907.
Base
System
Value
2
Binary
100111110110111101001011110101
3
Ternary
1201121022101101102
4
Quaternary
213312331023311
5
Quinary
2332142432223
6
Senary
150204535445
8
Octal
4766751365
10
Decimal
668717813
12
Duodecimal
167b51585
16
Hexadecimal
27dbd2f5
20
Vigesimal
a8j9ead
36
Base36
b24xyt
md5
cbdec45765390bcc2d70ffade9c952ff
sha1
1bf814c2e1c9bca52b48cf9373bd860e20c65457
sha256
5b7d2afdbf1c899487f1e0b032677b0cdae9dab79cae41b343168406df483fbe
sha512
59dc620ab91995f8849649eeb313b6c73c389411ba6950cb61d6367ebe88c028fb1d97388e23bce7d676e3bdb1b2d0838477bccf973c40d64573bc679bbc3fc1
ripemd-160
c8c950b204060fd75077f3354166a0e5bb769f14
Diameter
1337435626
Circumference
4201677937.2909
Area
1.4048684405777E+18
Volume
1.2526140681812E+27
Surface area
5.619473762311E+18
Circumference
4201677937.2909
Perimeter
2674871252
Area
447183513423502969
Diagonal
945709800.54508
Surface area
2683101080541017814
Volume
2.9903958110622E+26
Space diagonal
1158253228.0423
Perimeter
2006153439
Area
1.9363614138917E+17
Altitude
579126614.02117
Surface area
1.9363614138917E+17
Volume
3.5242152607232E+25
Height
315236600.18169