668798971 is an odd 9-digits composite number following 668798970
and preceding 668798972 . In scientific notation, it is written as 6.68798971 × 10^8.
The sum of its digits is 61. It has a total of 2 prime factors and 4 positive divisors.
There are 668590000 positive integers (up to 668798971) that are relatively prime to 668798971.
668798971 has 4 divisors, whose sum is 669007944
The reverse of 668798971 is 179897866
Previous prime number is 3251
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 61
Digital Root 7
Name
six hundred sixty-eight million seven hundred ninety-eight thousand nine hundred seventy-one
Scientific notation
6.68798971 × 10^8
Engineering notation
6.68798971 × 10^6
Prime Factorization
3251 × 205721
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
668798971
Product of the distinct prime numbers
The prime factorization of 668798971 is 3251 × 205721.
Since it has a total of 2 prime factors.
7 , 6 , 60 , 24 , 80 , 806 , 9521 , 5872 , 7026 , 14264 , 655064 , 238220 , 8770452 , 402083 , 54479568 , 64037231 , 189728243 , 147685124 , 6027854617 , 608775131
n×2
1337597942
n×3
2006396913
n×4
2675195884
n×5
3343994855
n÷2
334399485.5
n÷3
222932990.33333
n÷3
167199742.75
n÷5
133759794.2
n2
447292063610658841
n3
2.9914847187928E+26
n4
2.0007019016908E+35
n5
1.3380673731286E+44
2 √n
25861.14790569
3 √n
874.5108432204
4 √n
160.81401650879
5 √n
58.218246318561
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
-668798970
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 668798971 can be divided by 4 positive divisors.
The sum of these divisors (counting 668798971) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111110111010000111111111011
3
Ternary
1201121110111201021
4
Quaternary
213313100333323
5
Quinary
2332203031341
6
Senary
150210403311
8
Octal
4767207773
10
Decimal
668798971
12
Duodecimal
167b90537
16
Hexadecimal
27dd0ffb
20
Vigesimal
a8jjh8b
36
Base36
b26ol7
md5
36e3d98c10fcee82d9bfd1998d6bad20
sha1
3b09363089be76f156f8b2726a2af4e7646bb588
sha256
9b870b6030d2ea3db9bd599a9df01c148796060e4849b938ca9c5de45e7c6870
sha512
e36b038df468649d3de44b99b03b32735d1d714aeb37ddeaf05d37ab0fa6fa3b4642d6c9e2585793fbfa0a747b33a289afb943c0a8b702949534bfc259f58c96
ripemd-160
49e892a3d33962a1de078db06f5ed6642a203f55
Diameter
1337597942
Circumference
4202187868.044
Area
1.4052094610483E+18
Volume
1.2530701887847E+27
Surface area
5.6208378441931E+18
Circumference
4202187868.044
Perimeter
2675195884
Area
447292063610658841
Diagonal
945824575.28937
Surface area
2683752381663953046
Volume
2.9914847187928E+26
Space diagonal
1158393797.8218
Perimeter
2006396913
Area
1.93683144999E+17
Altitude
579196898.91089
Surface area
1.93683144999E+17
Volume
3.5254985507905E+25
Height
315274858.42979