668747906 is an even 9-digits composite number following 668747905
and preceding 668747907 . In scientific notation, it is written as 6.68747906 × 10^8.
The sum of its digits is 53. It has a total of 3 prime factors and 8 positive divisors.
There are 334337328 positive integers (up to 668747906) that are relatively prime to 668747906.
668747906 has 8 divisors, whose sum is 1003231740
The reverse of 668747906 is 609747866
Previous prime number is 17317
Is Prime? no
Number parity even
Number length 9
Sum of Digits 53
Digital Root 8
Name
six hundred sixty-eight million seven hundred forty-seven thousand nine hundred six
Scientific notation
6.68747906 × 10^8
Engineering notation
6.68747906 × 10^6
Prime Factorization
2 × 17317 × 19309
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
668747906
Product of the distinct prime numbers
The prime factorization of 668747906 is 2 × 17317 × 19309.
Since it has a total of 3 prime factors.
5 , 8 , 73 , 1 , 858 , 362 , 8167 , 339 , 92257 , 13552 , 383083 , 654672 , 2217107 , 6224383 , 96428189 , 67008546 , 686421710 , 639849129 , 9065513362 , 1597497719
n×2
1337495812
n×3
2006243718
n×4
2674991624
n×5
3343739530
n÷2
334373953
n÷3
222915968.66667
n÷3
167186976.5
n÷5
133749581.2
n2
447223761779384836
n3
2.9907995420341E+26
n4
2.000090931001E+35
n5
1.3375566219165E+44
2 √n
25860.160595016
3 √n
874.48858539468
4 √n
160.81094675119
5 √n
58.21735726051
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-668747905
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 668747906 can be divided by 8 positive divisors.
The sum of these divisors (counting 668747906) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111110111000100100010000010
3
Ternary
1201121100220122222
4
Quaternary
213313010202002
5
Quinary
2332144413111
6
Senary
150205331042
8
Octal
4767044202
10
Decimal
668747906
12
Duodecimal
167b66a82
16
Hexadecimal
27dc4882
20
Vigesimal
a8jd9f6
36
Base36
b25l6q
md5
0e1661869285d94a7a74eb7bc82893b5
sha1
5080faf62327e688873e0e7573485917a4940114
sha256
4c38b3692b4fff1aa470d2b1884a47bc6c8319e066aee025f36cb13f5cb28713
sha512
b60896a623510072d5f7ad1e9af1fc203fc48e62732b2069fcc985d25f4531a9621e054f502edd1ada2923e08a20a5795e371d925164595a9be30507189de2e8
ripemd-160
20cbafe46139f597d8c12c2aa234b12e17706b75
Diameter
1337495812
Circumference
4201867017.1863
Area
1.4049948845169E+18
Volume
1.2527831826152E+27
Surface area
5.6199795380676E+18
Circumference
4201867017.1863
Perimeter
2674991624
Area
447223761779384836
Diagonal
945752358.47381
Surface area
2683342570676309016
Volume
2.9907995420341E+26
Space diagonal
1158305350.6473
Perimeter
2006243718
Area
1.9365356943849E+17
Altitude
579152675.32365
Surface area
1.9365356943849E+17
Volume
3.5246910622365E+25
Height
315250786.15794