Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

668891 (number)

668891 is an odd 6-digits composite number following 668890 and preceding 668892. In scientific notation, it is written as 6.68891 × 10^5. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 659400 positive integers (up to 668891) that are relatively prime to 668891.

Interesting facts

668891 has 4 divisors, whose sum is 678384
The reverse of 668891 is 198866
Previous prime number is 71

Basic properties

Is Prime? no
Number parity odd
Number length 6
Sum of Digits 38
Digital Root 2

Name

Name	six hundred sixty-eight thousand eight hundred ninety-one

Notation

Scientific notation	6.68891 × 10^5
Engineering notation	6.68891 × 10^3

Prime Factorization of 668891

Prime Factorization 71 × 9421

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	668891	Product of the distinct prime numbers

The prime factorization of 668891 is 71 × 9421. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 5, 15, 13, 489, 16, 7713, 901, 116, 18180, 782776, 833339, 288122, 9351190, 39311099, 30629375, 318183306, 957327888, 2735623027, 9346569821

Basic calculations (n = 668891)

Multiplication

n×y

n×2	1337782
n×3	2006673
n×4	2675564
n×5	3344455

Division

n÷y

n÷2	334445.5
n÷3	222963.66666667
n÷3	167222.75
n÷5	133778.2

Exponentiation

n^y

n²	447415169881
n³	299271980396871971
n⁴	2.0018033423964E+23
n⁵	1.3389882394989E+29

Nth Root

^y√n

²√n	817.85756706165
³√n	87.455095326378
⁴√n	28.598209158296
⁵√n	14.624164733067

Divisors of 668891

1, 71, 9421, 668891

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	-668890	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 668891 can be divided by 4 positive divisors. The sum of these divisors (counting 668891) is 1, the average is 0.25.

Base conversion 668891

Base	System	Value
2	Binary	10100011010011011011
3	Ternary	1020222112202
4	Quaternary	2203103123
5	Quinary	132401031
6	Senary	22200415
8	Octal	2432333
10	Decimal	668891
12	Duodecimal	28310b
16	Hexadecimal	a34db
20	Vigesimal	43c4b
36	Base36	ec4b

Cryptographic Hash Functions

md5	f018c525a2f248f219ca7ece4d36d3a4
sha1	52801edcacec0dbf2b226bd9da1937718c60b8ec
sha256	f649d77fe0550ede7548a82c1c0480726f5b41995a7686610efea2d1c84a1511
sha512	c253711419d0912196dcdfd35be8e1ed076059396bbe3c76b971592533440c5f7c5249c1b7ed305ebff89af46fddc8bee1fc8ab054a3b20b2507e253c85f9f99
ripemd-160	328eb0f90d23f2a0336b6f91eb5514ce14241d28

668891 as geometric shapes

Circle

Radius = n

Diameter	1337782
Circumference	4202766.1033047
Area	1405596210802.8

Sphere

Radius = n

Volume	1.2535875400534E+18
Surface area	5622384843211.1
Circumference	4202766.1033047

Square

Length = n

Perimeter	2675564
Area	447415169881
Diagonal	945954.7239493

Cube

Length = n

Surface area	2684491019286
Volume	299271980396871971
Space diagonal	1158553.1967256

Equilateral Triangle

Length = n

Perimeter	2006673
Area	193736451577.74
Altitude	579276.59836278

Triangular Pyramid

Length = n

Surface area	193736451577.74
Volume	3.5269541126293E+16
Height	315318.24131643