668702990 is an even 9-digits composite number following 668702989
and preceding 668702991 . In scientific notation, it is written as 6.68702990 × 10^8.
The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors.
There are 251746944 positive integers (up to 668702990) that are relatively prime to 668702990.
668702990 has 16 divisors, whose sum is 1274469552
The reverse of 668702990 is 099207866
Previous prime number is 17
Is Prime? no
Number parity even
Number length 9
Sum of Digits 47
Digital Root 2
Name
six hundred sixty-eight million seven hundred two thousand nine hundred ninety
Scientific notation
6.68702990 × 10^8
Engineering notation
6.68702990 × 10^6
Prime Factorization
2 × 5 × 17 × 3933547
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
668702990
Product of the distinct prime numbers
The prime factorization of 668702990 is 2 × 5 × 17 × 3933547.
Since it has a total of 4 prime factors.
3 , 3 , 29 , 97 , 497 , 659 , 2067 , 376 , 34482 , 89872 , 965643 , 296159 , 1994510 , 2738739 , 70459531 , 87068467 , 471238956 , 17782939 , 7991120265 , 1113797815
n×2
1337405980
n×3
2006108970
n×4
2674811960
n×5
3343514950
n÷2
334351495
n÷3
222900996.66667
n÷3
167175747.5
n÷5
133740598
n2
447163688834940100
n3
2.9901969574335E+26
n4
1.9995536461247E+35
n5
1.337107501829E+44
2 √n
25859.292140351
3 √n
874.4690068119
4 √n
160.80824649361
5 √n
58.216575213628
1 , 2 , 5 , 10 , 17 , 34 , 85 , 170 , 3933547 , 7867094 , 19667735 , 39335470 , 66870299 , 133740598 , 334351495 , 668702990
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-668702989
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 668702990 can be divided by 16 positive divisors.
The sum of these divisors (counting 668702990) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111110110111001100100001110
3
Ternary
1201121021122001102
4
Quaternary
213312321210032
5
Quinary
2332141443430
6
Senary
150204343102
8
Octal
4766714416
10
Decimal
668702990
12
Duodecimal
167b44a92
16
Hexadecimal
27db990e
20
Vigesimal
a8j7h9a
36
Base36
b24mj2
md5
2b114942a25758107fe3f4c190b32365
sha1
a16ae86dedf897ca15a91e60a16d3b895eec5f10
sha256
db5ffa5263430f84a265b53ce3258dd0a6d9733626a3aa51fbfcc9f89502537f
sha512
47da1b5a13ebdfa54a928a5bd7d3b17a06e762a7ae13eb6750c4cd158e5068a8ca37c2f9047a30ab02c8bd747c54ba447c258c5fd6404cc6568f0da790ac8d2c
ripemd-160
93d807c57326d741a5d38db1a41ddba02e3d7e92
Diameter
1337405980
Circumference
4201584801.6351
Area
1.404806159796E+18
Volume
1.252530772568E+27
Surface area
5.6192246391838E+18
Circumference
4201584801.6351
Perimeter
2674811960
Area
447163688834940100
Diagonal
945688837.65744
Surface area
2682982133009640600
Volume
2.9901969574335E+26
Space diagonal
1158227553.8532
Perimeter
2006108970
Area
1.9362755709051E+17
Altitude
579113776.92661
Surface area
1.9362755709051E+17
Volume
3.5239809094744E+25
Height
315229612.55248