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

31808 (number)

31808 is an even 5-digits composite number following 31807 and preceding 31809. In scientific notation, it is written as 3.1808 × 10^4. The sum of its digits is 20. It has a total of 8 prime factors and 28 positive divisors. There are 13440 positive integers (up to 31808) that are relatively prime to 31808.

Interesting facts

31808 has 28 divisors, whose sum is 73152
The reverse of 31808 is 80813
Previous prime number is 7

Basic properties

Is Prime? no
Number parity even
Number length 5
Sum of Digits 20
Digital Root 2

Name

Name	thirty-one thousand eight hundred eight

Notation

Scientific notation	3.1808 × 10^4
Engineering notation	3.1808 × 10^3

Prime Factorization of 31808

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 7 × 71

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	8	Total number of prime factors
rad	Radical	994	Product of the distinct prime numbers

The prime factorization of 31808 is 2 × 2 × 2 × 2 × 2 × 2 × 7 × 71. Since it has a total of 8 prime factors.

Most popular turbo-numbers

6, 2, 49, 98, 853, 484, 9545, 3336, 11690, 62121, 306840, 178529, 80060, 5534692, 66132716, 79707858, 316897729, 596037160, 8944252789, 4552465201

Basic calculations (n = 31808)

Multiplication

n×y

n×2	63616
n×3	95424
n×4	127232
n×5	159040

Division

n÷y

n÷2	15904
n÷3	10602.666666667
n÷3	7952
n÷5	6361.6

Exponentiation

n^y

n²	1011748864
n³	32181707866112
n⁴	1023635763805290496
n⁵	3.2559806375119E+22

Nth Root

^y√n

²√n	178.34797447686
³√n	31.684397580193
⁴√n	13.354698591764
⁵√n	7.9525658251038

Divisors of 31808

1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 71, 112, 142, 224, 284, 448, 497, 568, 994, 1136, 1988, 2272, 3976, 4544, 7952, 15904, 31808

28 divisors

τ	Total Divisors	28	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-31807	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.035714285714286	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	28	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31808 can be divided by 28 positive divisors. The sum of these divisors (counting 31808) is 1, the average is 0.035714285714286.

Base conversion 31808

Base	System	Value
2	Binary	111110001000000
3	Ternary	1121122002
4	Quaternary	13301000
5	Quinary	2004213
6	Senary	403132
8	Octal	76100
10	Decimal	31808
12	Duodecimal	164a8
16	Hexadecimal	7c40
20	Vigesimal	3ja8
36	Base36	ojk

Cryptographic Hash Functions

md5	93f52fc53bde4ada81365d7c2acb0735
sha1	3056f385845a7a1f538397b0daa697357e884da1
sha256	0267aa64139a4f11d6557d55ef635549c4ae72912daeaa3457ffbf30a22e1d53
sha512	5501b7d2c577b9504e98874175a8d4ecd2af16444ef70afe68060087ce5a2e35b9bf141046825f07276b28a04f99679e0053c0b4c1ff2df38c10871e8c61765f
ripemd-160	365870b1907beec1e1d8093e7e13194325ed8eec

31808 as geometric shapes

Circle

Radius = n

Diameter	63616
Circumference	199855.55825077
Area	3178502798.4202

Sphere

Radius = n

Volume	1.3480242268287E+14
Surface area	12714011193.681
Circumference	199855.55825077

Square

Length = n

Perimeter	127232
Area	1011748864
Diagonal	44983.304991963

Cube

Length = n

Surface area	6070493184
Volume	32181707866112
Space diagonal	55093.072087151

Equilateral Triangle

Length = n

Perimeter	95424
Area	438100109.23702
Altitude	27546.536043575

Triangular Pyramid

Length = n

Surface area	438100109.23702
Volume	3792650643715.4
Height	14994.434997321