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

681808 (number)

681808 is an even 6-digits composite number following 681807 and preceding 681809. In scientific notation, it is written as 6.81808 × 10^5. The sum of its digits is 31. It has a total of 6 prime factors and 20 positive divisors. There are 332640 positive integers (up to 681808) that are relatively prime to 681808.

Interesting facts

681808 has 20 divisors, whose sum is 1353088
The reverse of 681808 is 808186
Previous prime number is 43

Basic properties

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

Name

Name	six hundred eighty-one thousand eight hundred eight

Notation

Scientific notation	6.81808 × 10^5
Engineering notation	6.81808 × 10^3

Prime Factorization of 681808

Prime Factorization 2 × 2 × 2 × 2 × 43 × 991

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	6	Total number of prime factors
rad	Radical	85226	Product of the distinct prime numbers

The prime factorization of 681808 is 2 × 2 × 2 × 2 × 43 × 991. Since it has a total of 6 prime factors.

Most popular turbo-numbers

8, 3, 98, 39, 931, 548, 4433, 3594, 51442, 81467, 618597, 453611, 3029439, 9327436, 80330663, 82030061, 661056861, 24021303, 8455656241, 2625842108

Basic calculations (n = 681808)

Multiplication

n×y

n×2	1363616
n×3	2045424
n×4	2727232
n×5	3409040

Division

n÷y

n÷2	340904
n÷3	227269.33333333
n÷3	170452
n÷5	136361.6

Exponentiation

n^y

n²	464862148864
n³	316946731992666112
n⁴	2.1609681744646E+23
n⁵	1.4733653890953E+29

Nth Root

^y√n

²√n	825.71665842467
³√n	88.014460433604
⁴√n	28.735285946457
⁵√n	14.680215082165

Divisors of 681808

1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 991, 1982, 3964, 7928, 15856, 42613, 85226, 170452, 340904, 681808

20 divisors

τ	Total Divisors	20	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-681807	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.05	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	20	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 681808 can be divided by 20 positive divisors. The sum of these divisors (counting 681808) is 1, the average is 0.05.

Base conversion 681808

Base	System	Value
2	Binary	10100110011101010000
3	Ternary	1021122021011
4	Quaternary	2212131100
5	Quinary	133304213
6	Senary	22340304
8	Octal	2463520
10	Decimal	681808
12	Duodecimal	28a694
16	Hexadecimal	a6750
20	Vigesimal	454a8
36	Base36	em34

Cryptographic Hash Functions

md5	798000a095da3250b0857b826d4f07c6
sha1	a3437f480520837cc206475d8f6c688e29efa981
sha256	0adae12c9e47f9509d9c9e0419c2206c3f3ec87820f3fa9beed4b6ce7ba4fceb
sha512	15ce38375644f1c8cde40af0a26fa4b1397d95d534825e07ae320bdf25c7cf9a4b4edbe33d863a09652fe3d52b5514ebfb8fbc87ade9be6162bbbc176625e2a1
ripemd-160	88177c3c79648b033dd6fcc968a6f5f3c3086c2c

681808 as geometric shapes

Circle

Radius = n

Diameter	1363616
Circumference	4283926.0079175
Area	1460407511803.1

Sphere

Radius = n

Volume	1.3276233664099E+18
Surface area	5841630047212.4
Circumference	4283926.0079175

Square

Length = n

Perimeter	2727232
Area	464862148864
Diagonal	964222.12053448

Cube

Length = n

Surface area	2789172893184
Volume	316946731992666112
Space diagonal	1180926.0970069

Equilateral Triangle

Length = n

Perimeter	2045424
Area	201291215087.02
Altitude	590463.04850346

Triangular Pyramid

Length = n

Surface area	201291215087.02
Volume	3.7352530577822E+16
Height	321407.37351149