668720879 is an odd 9-digits prime number following 668720878
and preceding 668720880 . In scientific notation, it is written as 6.68720879 × 10^8.
The sum of its digits is 53. It has a total of 1 prime factors and 2 positive divisors.
There are 668720878 positive integers (up to 668720879) that are relatively prime to 668720879.
668720879 has 2 divisors, whose sum is 668720880
The reverse of 668720879 is 978027866
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 53
Digital Root 8
Name
six hundred sixty-eight million seven hundred twenty thousand eight hundred seventy-nine
Scientific notation
6.68720879 × 10^8
Engineering notation
6.68720879 × 10^6
Prime Factorization
668720879
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
668720879
Product of the distinct prime numbers
The prime factorization of 668720879 is 668720879.
Since it has a total of 1 prime factors.
2 , 4 , 80 , 86 , 785 , 128 , 3090 , 3524 , 19654 , 66745 , 964789 , 169724 , 7095170 , 9164061 , 33693682 , 68583461 , 635057942 , 264303842 , 6573588592 , 6023386319
n×2
1337441758
n×3
2006162637
n×4
2674883516
n×5
3343604395
n÷2
334360439.5
n÷3
222906959.66667
n÷3
167180219.75
n÷5
133744175.8
n2
447187614010532641
n3
2.9904369431904E+26
n4
1.9997676212443E+35
n5
1.3372863614742E+44
2 √n
25859.638029176
3 √n
874.47680461192
4 √n
160.80932195982
5 √n
58.21688668978
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
668720880
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
334360440
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
25859.638048511
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 668720879 can be divided by 2 positive divisors.
The sum of these divisors (counting 668720879) is 668720880, the average is 334360440.
Base
System
Value
2
Binary
100111110110111101111011101111
3
Ternary
1201121022112120222
4
Quaternary
213312331323233
5
Quinary
2332143032004
6
Senary
150205001555
8
Octal
4766757357
10
Decimal
668720879
12
Duodecimal
167b532bb
16
Hexadecimal
27dbdeef
20
Vigesimal
a8ja23j
36
Base36
b250bz
md5
c50b20264040990e6c98a3c6092db630
sha1
1726caf78a6edb62471f68f1dd9d4eca4f86c64e
sha256
a7aa822f74d5264bf76ce3220d683ef3fc976fd8b54eb3056b6cc9604f5e04ba
sha512
cc62883ac4fd4cefa1f80012a8a73e3ea0a69e59fa60facec5655e44ca5b5306945d255b24c93cdef5c5db3510ddec021baa06bf0d2026dc633bc7996a9dafef
ripemd-160
f50d4a38b8f7b210f3ce7a8134b10d4b53ee3296
Diameter
1337441758
Circumference
4201697201.537
Area
1.4048813229518E+18
Volume
1.2526312975667E+27
Surface area
5.6195252918073E+18
Circumference
4201697201.537
Perimeter
2674883516
Area
447187614010532641
Diagonal
945714136.52386
Surface area
2683125684063195846
Volume
2.9904369431904E+26
Space diagonal
1158258538.5101
Perimeter
2006162637
Area
1.9363791699544E+17
Altitude
579129269.25506
Surface area
1.9363791699544E+17
Volume
3.5242637354011E+25
Height
315238045.50795