668431372 is an even 9-digits composite number following 668431371
and preceding 668431373 . In scientific notation, it is written as 6.68431372 × 10^8.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 286470576 positive integers (up to 668431372) that are relatively prime to 668431372.
668431372 has 12 divisors, whose sum is 1336862800
The reverse of 668431372 is 273134866
Previous prime number is 7
Is Prime? no
Number parity even
Number length 9
Sum of Digits 40
Digital Root 4
Name
six hundred sixty-eight million four hundred thirty-one thousand three hundred seventy-two
Scientific notation
6.68431372 × 10^8
Engineering notation
6.68431372 × 10^6
Prime Factorization
2 × 2 × 7 × 23872549
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
334215686
Product of the distinct prime numbers
The prime factorization of 668431372 is 2 × 2 × 7 × 23872549.
Since it has a total of 4 prime factors.
9 , 9 , 24 , 77 , 908 , 952 , 9224 , 2582 , 19477 , 83140 , 895707 , 666287 , 2074324 , 889804 , 48082098 , 54249767 , 57171428 , 722978509 , 6945620365 , 1374476522
n×2
1336862744
n×3
2005294116
n×4
2673725488
n×5
3342156860
n÷2
334215686
n÷3
222810457.33333
n÷3
167107843
n÷5
133686274.4
n2
446800499073802384
n3
2.9865547060619E+26
n4
1.996306859726E+35
n5
1.3343941331797E+44
2 √n
25854.039761708
3 √n
874.35059166455
4 √n
160.79191447865
5 √n
58.211845089868
1 , 2 , 4 , 7 , 14 , 28 , 23872549 , 47745098 , 95490196 , 167107843 , 334215686 , 668431372
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-668431371
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 668431372 can be divided by 12 positive divisors.
The sum of these divisors (counting 668431372) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100111110101110111010000001100
3
Ternary
1201120202211110111
4
Quaternary
213311313100030
5
Quinary
2332104300442
6
Senary
150154445404
8
Octal
4765672014
10
Decimal
668431372
12
Duodecimal
167a33864
16
Hexadecimal
27d7740c
20
Vigesimal
a8hdi8c
36
Base36
b1ysy4
md5
f717d635bb4e3e8c7b7e4ff25f3f084f
sha1
98f6db22cd8290e08a593d58a677aabf97289714
sha256
59296646358f648185aadb8ce7d75fcb588da5089ea2e1ab6b7ff010fb94a174
sha512
186e41b358a28861529500e61b987910aab64834819f12b1f49d2ed4f0e7073724c06240e08c01f812df469710235ee82b75e7ec3b57bf2fff07e2a07bcbf4c5
ripemd-160
6de09775b40483f45d751911220a9ca65b4109cd
Diameter
1336862744
Circumference
4199878175.4083
Area
1.4036651655105E+18
Volume
1.2510051098811E+27
Surface area
5.614660662042E+18
Circumference
4199878175.4083
Perimeter
2673725488
Area
446800499073802384
Diagonal
945304711.79806
Surface area
2680802994442814304
Volume
2.9865547060619E+26
Space diagonal
1157757097.677
Perimeter
2005294116
Area
1.9347029131074E+17
Altitude
578878548.83849
Surface area
1.9347029131074E+17
Volume
3.5196884750682E+25
Height
315101570.59935