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

128831 (number)

128831 is an odd 6-digits prime number following 128830 and preceding 128832. In scientific notation, it is written as 1.28831 × 10^5. The sum of its digits is 23. It has a total of 1 prime factors and 2 positive divisors. There are 128830 positive integers (up to 128831) that are relatively prime to 128831.

Interesting facts

128831 has 2 divisors, whose sum is 128832
The reverse of 128831 is 138821
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 6
Sum of Digits 23
Digital Root 5

Name

Name	one hundred twenty-eight thousand eight hundred thirty-one

Notation

Scientific notation	1.28831 × 10^5
Engineering notation	1.28831 × 10^3

Prime Factorization of 128831

Prime Factorization 128831

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	128831	Product of the distinct prime numbers

The prime factorization of 128831 is 128831. Since it has a total of 1 prime factors.

Most popular turbo-numbers

8, 6, 71, 72, 933, 896, 231, 1389, 98490, 46467, 440763, 942688, 1636281, 5984234, 11761815, 33458220, 112268681, 836777884, 3404817621, 5828774575

Basic calculations (n = 128831)

Multiplication

n×y

n×2	257662
n×3	386493
n×4	515324
n×5	644155

Division

n÷y

n÷2	64415.5
n÷3	42943.666666667
n÷3	32207.75
n÷5	25766.2

Exponentiation

n^y

n²	16597426561
n³	2138263061280191
n⁴	2.7547456844779E+20
n⁵	3.5489664127697E+25

Nth Root

^y√n

²√n	358.93035536159
³√n	50.505668742466
⁴√n	18.945457380639
⁵√n	10.519717458423

Divisors of 128831

1, 128831

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	128832	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	64416	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	358.93174838679	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999844759066	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128831 can be divided by 2 positive divisors. The sum of these divisors (counting 128831) is 128832, the average is 64416.

Base conversion 128831

Base	System	Value
2	Binary	11111011100111111
3	Ternary	20112201112
4	Quaternary	133130333
5	Quinary	13110311
6	Senary	2432235
8	Octal	373477
10	Decimal	128831
12	Duodecimal	6267b
16	Hexadecimal	1f73f
20	Vigesimal	g21b
36	Base36	2ren

Cryptographic Hash Functions

md5	70e1abe57366e0c65a36f2d53db07108
sha1	c64d1e2e5dafa4a667daca82a397bb9220a5d410
sha256	73b9256011dbee863dac253d70fee0d1023ab71dceac417d4636ea405dd82dbb
sha512	3c8595b6456a109efaa55df0b960dbdaf6c029a5a7b4d98e194eb880ba5344cff937ee73466f84ff0e1a29df7777c71aa2de2fb6ede9dbf9bc41332ed4afbcc4
ripemd-160	bbaeda0bc57e4a382d3b3b3b31084c57d3fd3483

128831 as geometric shapes

Circle

Radius = n

Diameter	257662
Circumference	809469.04630925
Area	52142353352.534

Sphere

Radius = n

Volume	8.956735366347E+15
Surface area	208569413410.13
Circumference	809469.04630925

Square

Length = n

Perimeter	515324
Area	16597426561
Diagonal	182194.54745409

Cube

Length = n

Surface area	99584559366
Volume	2138263061280191
Space diagonal	223141.83758991

Equilateral Triangle

Length = n

Perimeter	386493
Area	7186896519.6363
Altitude	111570.91879495

Triangular Pyramid

Length = n

Surface area	7186896519.6363
Volume	2.5199671843199E+14
Height	60731.515818029