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

128872 (number)

128872 is an even 6-digits composite number following 128871 and preceding 128873. In scientific notation, it is written as 1.28872 × 10^5. The sum of its digits is 28. It has a total of 5 prime factors and 16 positive divisors. There are 63360 positive integers (up to 128872) that are relatively prime to 128872.

Interesting facts

128872 has 16 divisors, whose sum is 245700
The reverse of 128872 is 278821
Previous prime number is 89

Basic properties

Is Prime? no
Number parity even
Number length 6
Sum of Digits 28
Digital Root 1

Name

Name	one hundred twenty-eight thousand eight hundred seventy-two

Notation

Scientific notation	1.28872 × 10^5
Engineering notation	1.28872 × 10^3

Prime Factorization of 128872

Prime Factorization 2 × 2 × 2 × 89 × 181

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	5	Total number of prime factors
rad	Radical	32218	Product of the distinct prime numbers

The prime factorization of 128872 is 2 × 2 × 2 × 89 × 181. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 8, 13, 47, 696, 793, 8944, 298, 48580, 80993, 780296, 289661, 2697906, 2704839, 9273550, 28739502, 979450305, 502877355, 3394691612, 2993890441

Basic calculations (n = 128872)

Multiplication

n×y

n×2	257744
n×3	386616
n×4	515488
n×5	644360

Division

n÷y

n÷2	64436
n÷3	42957.333333333
n÷3	32218
n÷5	25774.4

Exponentiation

n^y

n²	16607992384
n³	2140305194510848
n⁴	2.75825411027E+20
n⁵	3.5546172369872E+25

Nth Root

^y√n

²√n	358.98746496222
³√n	50.511025923035
⁴√n	18.946964531613
⁵√n	10.520386945614

Divisors of 128872

1, 2, 4, 8, 89, 178, 181, 356, 362, 712, 724, 1448, 16109, 32218, 64436, 128872

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	-128871	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 128872 can be divided by 16 positive divisors. The sum of these divisors (counting 128872) is 1, the average is 0.0625.

Base conversion 128872

Base	System	Value
2	Binary	11111011101101000
3	Ternary	20112210001
4	Quaternary	133131220
5	Quinary	13110442
6	Senary	2432344
8	Octal	373550
10	Decimal	128872
12	Duodecimal	626b4
16	Hexadecimal	1f768
20	Vigesimal	g23c
36	Base36	2rfs

Cryptographic Hash Functions

md5	d313f38582f155eaae1e21921e1c94fe
sha1	2d08113329d746488fc07ff81e0437afced8450e
sha256	1d913ca284107903965e19d2bcbfcad46d5e63d45a5a3f9159e24b8fd0e7db40
sha512	81273904898448c3cc4457be15dfd317729866ef1b8685f6b799680832f9f8595732dd5a04aac4afb1b56d6dba0b5885f28adf3e34762cb93ac3d86729e987cf
ripemd-160	128414499fb3f6c6b8dacae39c7d76c294f28685

128872 as geometric shapes

Circle

Radius = n

Diameter	257744
Circumference	809726.65690685
Area	52175546864.45

Sphere

Radius = n

Volume	8.9652894340205E+15
Surface area	208702187457.8
Circumference	809726.65690685

Square

Length = n

Perimeter	515488
Area	16607992384
Diagonal	182252.53021015

Cube

Length = n

Surface area	99647954304
Volume	2140305194510848
Space diagonal	223212.85167302

Equilateral Triangle

Length = n

Perimeter	386616
Area	7191471655.2012
Altitude	111606.42583651

Triangular Pyramid

Length = n

Surface area	7191471655.2012
Volume	2.5223738614124E+14
Height	60750.843403382