668844907 is an odd 9-digits composite number following 668844906
and preceding 668844908 . In scientific notation, it is written as 6.68844907 × 10^8.
The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors.
There are 656834688 positive integers (up to 668844907) that are relatively prime to 668844907.
668844907 has 8 divisors, whose sum is 680934384
The reverse of 668844907 is 709448866
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 52
Digital Root 7
Name
six hundred sixty-eight million eight hundred forty-four thousand nine hundred seven
Scientific notation
6.68844907 × 10^8
Engineering notation
6.68844907 × 10^6
Prime Factorization
233 × 73 × 39323
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
668844907
Product of the distinct prime numbers
The prime factorization of 668844907 is 233 × 73 × 39323.
Since it has a total of 3 prime factors.
2 , 9 , 48 , 6 , 189 , 518 , 3877 , 2278 , 94836 , 37415 , 844203 , 382574 , 9564127 , 6459352 , 18979735 , 81543951 , 766731143 , 718118703 , 3194165245 , 4867264487
n×2
1337689814
n×3
2006534721
n×4
2675379628
n×5
3344224535
n÷2
334422453.5
n÷3
222948302.33333
n÷3
167211226.75
n÷5
133768981.4
n2
447353509619838649
n3
2.992101165378E+26
n4
2.0012516256919E+35
n5
1.3385269574695E+44
2 √n
25862.036018071
3 √n
874.53086448845
4 √n
160.81677778786
5 √n
58.219046032678
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
-668844906
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 668844907 can be divided by 8 positive divisors.
The sum of these divisors (counting 668844907) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111110111011100001101101011
3
Ternary
1201121112211201121
4
Quaternary
213313130031223
5
Quinary
2332211014112
6
Senary
150211400111
8
Octal
4767341553
10
Decimal
668844907
12
Duodecimal
167bb3037
16
Hexadecimal
27ddc36b
20
Vigesimal
a905c57
36
Base36
b27o17
md5
f054401597cf6c08418b213da863b96f
sha1
94354639e281b7bf985e78fa1482e75b4c9ca000
sha256
7fa4bf5a8de9836c02b045ee0bbb64c0fd77caa4a4015e251b47e88fef055e48
sha512
a824570a77208fef1e77bd85e1d051a1ef055438d9eef00931693f6c15e4e5e861b9db1c4de83b8572270e7af135fd6203196cc32183e99d73a3f4ae50bcb8b4
ripemd-160
74af51dff460f129f214f47969437f92881958b5
Diameter
1337689814
Circumference
4202476492.4443
Area
1.4054024993793E+18
Volume
1.2533284053266E+27
Surface area
5.6216099975172E+18
Circumference
4202476492.4443
Perimeter
2675379628
Area
447353509619838649
Diagonal
945889538.60357
Surface area
2684121057719031894
Volume
2.992101165378E+26
Space diagonal
1158473361.3077
Perimeter
2006534721
Area
1.9370975190145E+17
Altitude
579236680.65384
Surface area
1.9370975190145E+17
Volume
3.5262250400583E+25
Height
315296512.86786