668841668 is an even 9-digits composite number following 668841667
and preceding 668841669 . In scientific notation, it is written as 6.68841668 × 10^8.
The sum of its digits is 53. It has a total of 5 prime factors and 24 positive divisors.
There are 303711200 positive integers (up to 668841668) that are relatively prime to 668841668.
668841668 has 24 divisors, whose sum is 1278172224
The reverse of 668841668 is 866148866
Previous prime number is 1061
Is Prime? no
Number parity even
Number length 9
Sum of Digits 53
Digital Root 8
Name
six hundred sixty-eight million eight hundred forty-one thousand six hundred sixty-eight
Scientific notation
6.68841668 × 10^8
Engineering notation
6.68841668 × 10^6
Prime Factorization
2 × 2 × 11 × 1061 × 14327
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
334420834
Product of the distinct prime numbers
The prime factorization of 668841668 is 2 × 2 × 11 × 1061 × 14327.
Since it has a total of 5 prime factors.
10 , 4 , 70 , 1 , 662 , 167 , 9812 , 6152 , 46850 , 67302 , 677839 , 314089 , 9237417 , 1218034 , 75648719 , 16512281 , 822431297 , 353449773 , 920330935 , 5574264785
n×2
1337683336
n×3
2006525004
n×4
2675366672
n×5
3344208340
n÷2
334420834
n÷3
222947222.66667
n÷3
167210417
n÷5
133768333.6
n2
447349176853022224
n3
2.992057696248E+26
n4
2.0012128603108E+35
n5
1.3384945475133E+44
2 √n
25861.973397249
3 √n
874.52945279594
4 √n
160.81658309157
5 √n
58.218989645359
1 , 2 , 4 , 11 , 22 , 44 , 1061 , 2122 , 4244 , 11671 , 14327 , 23342 , 28654 , 46684 , 57308 , 157597 , 315194 , 630388 , 15200947 , 30401894 , 60803788 , 167210417 , 334420834 , 668841668
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-668841667
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 668841668 can be divided by 24 positive divisors.
The sum of these divisors (counting 668841668) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100111110111011011011011000100
3
Ternary
1201121112200021122
4
Quaternary
213313123123010
5
Quinary
2332210413133
6
Senary
150211333112
8
Octal
4767333304
10
Decimal
668841668
12
Duodecimal
167bb1198
16
Hexadecimal
27ddb6c4
20
Vigesimal
a905438
36
Base36
b27lj8
md5
6d574fc215a201e88c3d76583eae7004
sha1
d99b56fbddaf85aa63a516fffd554914170f12a0
sha256
3ddffe58bba7ef6d2c0af23b10f879cf7f0cdd83b2da3f4b1ed7810eda362433
sha512
8920b7b2c427be72336ee1006d6840b7957b95165bef1cb9f901ff4da7d2ea702088a0b194663a6987bd38a490fe973fa225cb88f5ddacba59ffd9044aca59ba
ripemd-160
1cef0dd81d53882d689915ded6cbb1004675529e
Diameter
1337683336
Circumference
4202456141.2071
Area
1.4053888875909E+18
Volume
1.2533101970199E+27
Surface area
5.6215555503636E+18
Circumference
4202456141.2071
Perimeter
2675366672
Area
447349176853022224
Diagonal
945884957.96584
Surface area
2684095061118133344
Volume
2.992057696248E+26
Space diagonal
1158467751.1951
Perimeter
2006525004
Area
1.9370787575839E+17
Altitude
579233875.59756
Surface area
1.9370787575839E+17
Volume
3.5261738111973E+25
Height
315294985.98861