668867636 is an even 9-digits composite number following 668867635
and preceding 668867637 . In scientific notation, it is written as 6.68867636 × 10^8.
The sum of its digits is 56. It has a total of 4 prime factors and 12 positive divisors.
There are 333987000 positive integers (up to 668867636) that are relatively prime to 668867636.
668867636 has 12 divisors, whose sum is 1172082240
The reverse of 668867636 is 636768866
Previous prime number is 751
Is Prime? no
Number parity even
Number length 9
Sum of Digits 56
Digital Root 2
Name
six hundred sixty-eight million eight hundred sixty-seven thousand six hundred thirty-six
Scientific notation
6.68867636 × 10^8
Engineering notation
6.68867636 × 10^6
Prime Factorization
2 × 2 × 751 × 222659
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
334433818
Product of the distinct prime numbers
The prime factorization of 668867636 is 2 × 2 × 751 × 222659.
Since it has a total of 4 prime factors.
7 , 1 , 36 , 77 , 280 , 315 , 6595 , 7593 , 87025 , 89534 , 381227 , 915664 , 3359242 , 8417957 , 77716027 , 69712936 , 314543805 , 113650370 , 955156229 , 4591951368
n×2
1337735272
n×3
2006602908
n×4
2675470544
n×5
3344338180
n÷2
334433818
n÷3
222955878.66667
n÷3
167216909
n÷5
133773527.2
n2
447383914488228496
n3
2.9924062126817E+26
n4
2.0015236694281E+35
n5
1.3387544051684E+44
2 √n
25862.475442231
3 √n
874.540770615
4 √n
160.81814400817
5 √n
58.219441712662
1 , 2 , 4 , 751 , 1502 , 3004 , 222659 , 445318 , 890636 , 167216909 , 334433818 , 668867636
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
-668867635
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 668867636 can be divided by 12 positive divisors.
The sum of these divisors (counting 668867636) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100111110111100001110000110100
3
Ternary
1201121120222220102
4
Quaternary
213313201300310
5
Quinary
2332212231021
6
Senary
150212053232
8
Octal
4767416064
10
Decimal
668867636
12
Duodecimal
168004218
16
Hexadecimal
27de1c34
20
Vigesimal
a90891g
36
Base36
b285kk
md5
7a01abd67ba5aa5ad8c29c2049792348
sha1
f83283de24b068030598977825abc13e74b9032c
sha256
48332581751d8a41ba0e8d457155a324dd0a3fc17b0840d7fbc8469c8fccb4b5
sha512
218a65008a6eee397f02b4b219b7bd7caa3b4ad6128ba0785ee21ebf98afce02b1c77fa8f3778807cb0b6672a94ef6af08d652b9c545a12f082873d6947cd2a3
ripemd-160
2690eb8d1f8ab728bce43ebfbcb583d3b1e48df7
Diameter
1337735272
Circumference
4202619302.9631
Area
1.4054980190905E+18
Volume
1.2534561832423E+27
Surface area
5.6219920763619E+18
Circumference
4202619302.9631
Perimeter
2675470544
Area
447383914488228496
Diagonal
945921682.26363
Surface area
2684303486929370976
Volume
2.9924062126817E+26
Space diagonal
1158512729.0905
Perimeter
2006602908
Area
1.9372291759567E+17
Altitude
579256364.54524
Surface area
1.9372291759567E+17
Volume
3.5265845417533E+25
Height
315307227.42121