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

688081 (number)

688081 is an odd 6-digits composite number following 688080 and preceding 688082. In scientific notation, it is written as 6.88081 × 10^5. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 684964 positive integers (up to 688081) that are relatively prime to 688081.

Interesting facts

688081 has 4 divisors, whose sum is 691200
The reverse of 688081 is 180886
Previous prime number is 2879

Basic properties

Is Prime? no
Number parity odd
Number length 6
Sum of Digits 31
Digital Root 4

Name

Name	six hundred eighty-eight thousand eighty-one

Notation

Scientific notation	6.88081 × 10^5
Engineering notation	6.88081 × 10^3

Prime Factorization of 688081

Prime Factorization 2879 × 239

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	688081	Product of the distinct prime numbers

The prime factorization of 688081 is 2879 × 239. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 5, 2, 95, 840, 786, 3847, 7620, 32621, 47040, 777116, 593476, 7920457, 2022089, 93936385, 4495696, 324411983, 406451455, 930452039, 2462092896

Basic calculations (n = 688081)

Multiplication

n×y

n×2	1376162
n×3	2064243
n×4	2752324
n×5	3440405

Division

n÷y

n÷2	344040.5
n÷3	229360.33333333
n÷3	172020.25
n÷5	137616.2

Exponentiation

n^y

n²	473455462561
n³	325775708134435441
n⁴	2.2416007502885E+23
n⁵	1.5424028858593E+29

Nth Root

^y√n

²√n	829.5064797818
³√n	88.283563593529
⁴√n	28.801154139753
⁵√n	14.707129386734

Divisors of 688081

1, 239, 2879, 688081

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	-688080	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 688081 can be divided by 4 positive divisors. The sum of these divisors (counting 688081) is 1, the average is 0.25.

Base conversion 688081

Base	System	Value
2	Binary	10100111111111010001
3	Ternary	1021221212111
4	Quaternary	2213333101
5	Quinary	134004311
6	Senary	22425321
8	Octal	2477721
10	Decimal	688081
12	Duodecimal	292241
16	Hexadecimal	a7fd1
20	Vigesimal	46041
36	Base36	eqxd

Cryptographic Hash Functions

md5	505a2dbd9aebd43522915b2f5e83e9ed
sha1	7120b4ac1f117afea7943ca16e1babf7cd2de8cc
sha256	4d4c2082dc3d2ae21100729b251a21b7abcc30e09482cf59e35250cca8d98b91
sha512	628572ac9f8d0fbb5e6d0d29aa380da03ab6f7e98b031be73796163c1bd06d7753ac415cf3158233e0bc0aa068873ea8187ccea9ef25e9479683c6a8c506dd3b
ripemd-160	f5c928522a131e2e5fc123ecec778da60986842b

688081 as geometric shapes

Circle

Radius = n

Diameter	1376162
Circumference	4323340.4293494
Area	1487404202983.6

Sphere

Radius = n

Volume	1.3646060951909E+18
Surface area	5949616811934.4
Circumference	4323340.4293494

Square

Length = n

Perimeter	2752324
Area	473455462561
Diagonal	973093.48221124

Cube

Length = n

Surface area	2840732775366
Volume	325775708134435441
Space diagonal	1191791.2517228

Equilateral Triangle

Length = n

Perimeter	2064243
Area	205012229069.17
Altitude	595895.6258614

Triangular Pyramid

Length = n

Surface area	205012229069.17
Volume	3.8393035394618E+16
Height	324364.49407041