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

128840 (number)

128840 is an even 6-digits composite number following 128839 and preceding 128841. In scientific notation, it is written as 1.28840 × 10^5. The sum of its digits is 23. It has a total of 5 prime factors and 16 positive divisors. There are 51520 positive integers (up to 128840) that are relatively prime to 128840.

Interesting facts

128840 has 16 divisors, whose sum is 289980
The reverse of 128840 is 048821
Previous prime number is 5

Basic properties

Is Prime? no
Number parity even
Number length 6
Sum of Digits 23
Digital Root 5

Name

Name	one hundred twenty-eight thousand eight hundred forty

Notation

Scientific notation	1.28840 × 10^5
Engineering notation	1.28840 × 10^3

Prime Factorization of 128840

Prime Factorization 2 × 2 × 2 × 5 × 3221

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	5	Total number of prime factors
rad	Radical	32210	Product of the distinct prime numbers

The prime factorization of 128840 is 2 × 2 × 2 × 5 × 3221. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 4, 12, 84, 206, 766, 4281, 5667, 78278, 65171, 624316, 691134, 8961611, 1679671, 27131339, 25399330, 860965174, 270179148, 7744338530, 9551390344

Basic calculations (n = 128840)

Multiplication

n×y

n×2	257680
n×3	386520
n×4	515360
n×5	644200

Division

n÷y

n÷2	64420
n÷3	42946.666666667
n÷3	32210
n÷5	25768

Exponentiation

n^y

n²	16599745600
n³	2138711223104000
n⁴	2.7555155398472E+20
n⁵	3.5502062215391E+25

Nth Root

^y√n

²√n	358.94289239376
³√n	50.506844806286
⁴√n	18.94578824947
⁵√n	10.519864433625

Divisors of 128840

1, 2, 4, 5, 8, 10, 20, 40, 3221, 6442, 12884, 16105, 25768, 32210, 64420, 128840

16 divisors

τ	Total Divisors	16	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-128839	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.0625	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	16	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128840 can be divided by 16 positive divisors. The sum of these divisors (counting 128840) is 1, the average is 0.0625.

Base conversion 128840

Base	System	Value
2	Binary	11111011101001000
3	Ternary	20112201212
4	Quaternary	133131020
5	Quinary	13110330
6	Senary	2432252
8	Octal	373510
10	Decimal	128840
12	Duodecimal	62688
16	Hexadecimal	1f748
20	Vigesimal	g220
36	Base36	2rew

Cryptographic Hash Functions

md5	505814b8e6c5d689018454a69b221492
sha1	7ba541916afeabbfb1de08def527feebbdc73a05
sha256	1952e2c957b31358737bdf82a8d353df3f637df1699491850743027f1440def2
sha512	a9f8422d2e15f89304e92d5704ffde8bfb6a0408d0589d79b2a1f20f138b548690669fff74737bc20adf279463539807c6512422017f0dc322d8ab7406d3974b
ripemd-160	ed258f58bf3fdd5a2791ab75047e499026b70b2d

128840 as geometric shapes

Circle

Radius = n

Diameter	257680
Circumference	809525.59497702
Area	52149638828.419

Sphere

Radius = n

Volume	8.9586126222048E+15
Surface area	208598555313.68
Circumference	809525.59497702

Square

Length = n

Perimeter	515360
Area	16599745600
Diagonal	182207.27537615

Cube

Length = n

Surface area	99598473600
Volume	2138711223104000
Space diagonal	223157.42604717

Equilateral Triangle

Length = n

Perimeter	386520
Area	7187900692.9795
Altitude	111578.71302359

Triangular Pyramid

Length = n

Surface area	7187900692.9795
Volume	2.5204953480944E+14
Height	60735.758458717