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

128538 (number)

128538 is an even 6-digits composite number following 128537 and preceding 128539. In scientific notation, it is written as 1.28538 × 10^5. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 41472 positive integers (up to 128538) that are relatively prime to 128538.

Interesting facts

128538 has 16 divisors, whose sum is 221160
The reverse of 128538 is 835821
Previous prime number is 193

Basic properties

Is Prime? no
Number parity even
Number length 6
Sum of Digits 27
Digital Root 9

Name

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

Notation

Scientific notation	1.28538 × 10^5
Engineering notation	1.28538 × 10^3

Prime Factorization of 128538

Prime Factorization 2 × 9 × 193 × 37

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	128538	Product of the distinct prime numbers

The prime factorization of 128538 is 2 × 9 × 193 × 37. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 4, 48, 52, 581, 344, 8699, 5929, 67583, 41843, 906597, 387264, 6997032, 94983, 79567659, 52810364, 406572895, 621849752, 8926589825, 3166819304

Basic calculations (n = 128538)

Multiplication

n×y

n×2	257076
n×3	385614
n×4	514152
n×5	642690

Division

n÷y

n÷2	64269
n÷3	42846
n÷3	32134.5
n÷5	25707.6

Exponentiation

n^y

n²	16522017444
n³	2123707078216872
n⁴	2.7297706041984E+20
n⁵	3.5087925392245E+25

Nth Root

^y√n

²√n	358.52196585426
³√n	50.467351376795
⁴√n	18.934676280683
⁵√n	10.514928106398

Divisors of 128538

1, 2, 9, 18, 37, 74, 193, 333, 386, 666, 1737, 3474, 7141, 14282, 64269, 128538

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	-128537	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 128538 can be divided by 16 positive divisors. The sum of these divisors (counting 128538) is 1, the average is 0.0625.

Base conversion 128538

Base	System	Value
2	Binary	11111011000011010
3	Ternary	20112022200
4	Quaternary	133120122
5	Quinary	13103123
6	Senary	2431030
8	Octal	373032
10	Decimal	128538
12	Duodecimal	62476
16	Hexadecimal	1f61a
20	Vigesimal	g16i
36	Base36	2r6i

Cryptographic Hash Functions

md5	6efe7f63e834fe51fc8be91ccc7672d8
sha1	096562785b37022f6c8b953385a88164bb3e8a24
sha256	b1f5c13ce64460377a0eafb7541aebdbf725549b2fdb110209833476b40f2635
sha512	5e6793c32350fe5c8c2e2351b92813b2fd172a59d4b9e6de5ae3687118984f10f586ef240c1c2e97bc733c4cbc59c86257f2c66ad0e287eb36140c620fd05fd5
ripemd-160	2ba8a4c70dceadb1fc1b9e0870d86fcd0f157581

128538 as geometric shapes

Circle

Radius = n

Diameter	257076
Circumference	807628.07301425
Area	51905448624.553

Sphere

Radius = n

Volume	8.8957634070704E+15
Surface area	207621794498.21
Circumference	807628.07301425

Square

Length = n

Perimeter	514152
Area	16522017444
Diagonal	181780.18288031

Cube

Length = n

Surface area	99132104664
Volume	2123707078216872
Space diagonal	222634.34670329

Equilateral Triangle

Length = n

Perimeter	385614
Area	7154243414.1368
Altitude	111317.17335164

Triangular Pyramid

Length = n

Surface area	7154243414.1368
Volume	2.5028127937684E+14
Height	60593.394293438