668045986 is an even 9-digits composite number following 668045985
and preceding 668045987 . In scientific notation, it is written as 6.68045986 × 10^8.
The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors.
There are 334022992 positive integers (up to 668045986) that are relatively prime to 668045986.
668045986 has 4 divisors, whose sum is 1002068982
The reverse of 668045986 is 689540866
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 52
Digital Root 7
Name
six hundred sixty-eight million forty-five thousand nine hundred eighty-six
Scientific notation
6.68045986 × 10^8
Engineering notation
6.68045986 × 10^6
Prime Factorization
2 × 334022993
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
668045986
Product of the distinct prime numbers
The prime factorization of 668045986 is 2 × 334022993.
Since it has a total of 2 prime factors.
9 , 4 , 37 , 66 , 664 , 397 , 800 , 6640 , 29979 , 5270 , 242626 , 344331 , 205674 , 6568889 , 41951851 , 25738841 , 257684842 , 537259856 , 8001161810 , 2735103903
n×2
1336091972
n×3
2004137958
n×4
2672183944
n×5
3340229930
n÷2
334022993
n÷3
222681995.33333
n÷3
167011496.5
n÷5
133609197.2
n2
446285439410712196
n3
2.9813919640857E+26
n4
1.9917069343001E+35
n5
1.3305518227476E+44
2 √n
25846.585577209
3 √n
874.18252292387
4 √n
160.7687332077
5 √n
58.205131100482
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
-668045985
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 668045986 can be divided by 4 positive divisors.
The sum of these divisors (counting 668045986) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111110100011001001010100010
3
Ternary
1201120001020210221
4
Quaternary
213310121022202
5
Quinary
2332004432421
6
Senary
150142313254
8
Octal
4764311242
10
Decimal
668045986
12
Duodecimal
16788882a
16
Hexadecimal
27d192a2
20
Vigesimal
a8f5ej6
36
Base36
b1qjky
md5
5500b0848e97d2ea6971c2489b9a3712
sha1
91d385f7529444a84aa3d01244ec1a7e2fdbc4cd
sha256
183040dc9895dfae5c39616fb9b3b0b8de64938ad473142310a1308db38d8b7d
sha512
a87176649d15cb636c6cc5bd59963adcad3635663101566eb80aa137cbfae7e2ac18b7f7939be77cf10dc7ed2e26ca55a192074ba517b856a77d68323c3f4463
ripemd-160
bbfa40f8c47e2bc86e967981913f7962e030a8f8
Diameter
1336091972
Circumference
4197456723.7555
Area
1.4020470578568E+18
Volume
1.2488425455791E+27
Surface area
5.6081882314271E+18
Circumference
4197456723.7555
Perimeter
2672183944
Area
446285439410712196
Diagonal
944759693.69011
Surface area
2677712636464273176
Volume
2.9813919640857E+26
Space diagonal
1157089589.5444
Perimeter
2004137958
Area
1.9324726393439E+17
Altitude
578544794.77222
Surface area
1.9324726393439E+17
Volume
3.5136041253002E+25
Height
314919897.8967