668081 is an odd 6-digits composite number following 668080
and preceding 668082 . In scientific notation, it is written as 6.68081 × 10^5.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 617760 positive integers (up to 668081) that are relatively prime to 668081.
668081 has 8 divisors, whose sum is 720384
The reverse of 668081 is 180866
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 29
Digital Root 2
Name
six hundred sixty-eight thousand eighty-one
Scientific notation
6.68081 × 10^5
Engineering notation
6.68081 × 10^3
Prime Factorization
23 × 31 × 937
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
668081
Product of the distinct prime numbers
The prime factorization of 668081 is 23 × 31 × 937.
Since it has a total of 3 prime factors.
6 , 8 , 59 , 63 , 45 , 534 , 511 , 6811 , 4273 , 34281 , 380845 , 573857 , 9751497 , 264065 , 48575124 , 40310155 , 419044235 , 714087593 , 7927856699 , 6765514017
n×2
1336162
n×3
2004243
n×4
2672324
n×5
3340405
n÷2
334040.5
n÷3
222693.66666667
n÷3
167020.25
n÷5
133616.2
n2
446332222561
n3
298186077580775441
n4
1.9921245289624E+23
n5
1.3309005474337E+29
2 √n
817.36222080544
3 √n
87.419779537156
4 √n
28.589547404697
5 √n
14.62062116157
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-668080
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 668081 can be divided by 8 positive divisors.
The sum of these divisors (counting 668081) is 1, the average is 0.125.
Base
System
Value
2
Binary
10100011000110110001
3
Ternary
1020221102202
4
Quaternary
2203012301
5
Quinary
132334311
6
Senary
22152545
8
Octal
2430661
10
Decimal
668081
12
Duodecimal
282755
16
Hexadecimal
a31b1
20
Vigesimal
43a41
36
Base36
ebht
md5
6d0eecb6dd2ceddc8b34c6100b4c89bf
sha1
1d5901cfbb0771be975b33ca1af826952c779a22
sha256
12a7938b7e624e02f05219f354a0eb4518e35eed86f8da9800528ceeee7749e8
sha512
c0079cfd0eab463abc990e51a52d8d57a3de33544300dace4d283db2dfe3dafd63e9e90f121cc9151933cc6de261b8e92d4b7478bc976acb6f0616866ec8cfc3
ripemd-160
8e251ac6c7301f14f593a8e63bc6e7d7b434ab25
Diameter
1336162
Circumference
4197676.7232058
Area
1402194031458
Volume
1.249038920974E+18
Surface area
5608776125832.2
Circumference
4197676.7232058
Perimeter
2672324
Area
446332222561
Diagonal
944809.21096378
Surface area
2677993335366
Volume
298186077580775441
Space diagonal
1157150.2355714
Perimeter
2004243
Area
193267521632.7
Altitude
578575.11778571
Surface area
193267521632.7
Volume
3.5141566252131E+16
Height
314936.40365459