668717839 is an odd 9-digits composite number following 668717838
and preceding 668717840 . In scientific notation, it is written as 6.68717839 × 10^8.
The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors.
There are 667173024 positive integers (up to 668717839) that are relatively prime to 668717839.
668717839 has 4 divisors, whose sum is 670262656
The reverse of 668717839 is 938717866
Previous prime number is 433
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 55
Digital Root 1
Name
six hundred sixty-eight million seven hundred seventeen thousand eight hundred thirty-nine
Scientific notation
6.68717839 × 10^8
Engineering notation
6.68717839 × 10^6
Prime Factorization
433 × 1544383
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
668717839
Product of the distinct prime numbers
The prime factorization of 668717839 is 433 × 1544383.
Since it has a total of 2 prime factors.
4 , 5 , 37 , 77 , 72 , 199 , 6975 , 3519 , 99598 , 85990 , 234136 , 199238 , 3552600 , 9886742 , 76590180 , 1666808 , 408169468 , 574089097 , 2534701240 , 9316209339
n×2
1337435678
n×3
2006153517
n×4
2674871356
n×5
3343589195
n÷2
334358919.5
n÷3
222905946.33333
n÷3
167179459.75
n÷5
133743567.8
n2
447183548196829921
n3
2.9903961598654E+26
n4
1.9997312577791E+35
n5
1.3372559652828E+44
2 √n
25859.579250251
3 √n
874.47547948829
4 √n
160.80913920002
5 √n
58.21683375898
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
-668717838
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 668717839 can be divided by 4 positive divisors.
The sum of these divisors (counting 668717839) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111110110111101001100001111
3
Ternary
1201121022101102101
4
Quaternary
213312331030033
5
Quinary
2332142432324
6
Senary
150204535531
8
Octal
4766751417
10
Decimal
668717839
12
Duodecimal
167b515a7
16
Hexadecimal
27dbd30f
20
Vigesimal
a8j9ebj
36
Base36
b24xzj
md5
d5d720915e5980b0bc1ccba9337de3eb
sha1
2be85dbfde3adca91f9c8de9c19958fc0e46a03c
sha256
7fc25657015a0cc7d50ee43afaae11f90e0b9480de8a8d9ba91d346fdaa829a8
sha512
e056158635bf703bc3f0281986f4ec409d8921461a3bfa7c3f767e290d89582068425fea577856f0e5748683a89173352e3a0f64b82b41e0d189b0c9bfa63657
ripemd-160
dbcb471525bd23a19fab3305550d4d5f721b62f7
Diameter
1337435678
Circumference
4201678100.6537
Area
1.4048685498214E+18
Volume
1.2526142142875E+27
Surface area
5.6194741992855E+18
Circumference
4201678100.6537
Perimeter
2674871356
Area
447183548196829921
Diagonal
945709837.31463
Surface area
2683101289180979526
Volume
2.9903961598654E+26
Space diagonal
1158253273.0757
Perimeter
2006153517
Area
1.9363615644646E+17
Altitude
579126636.53783
Surface area
1.9363615644646E+17
Volume
3.5242156717917E+25
Height
315236612.43821