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

128909085 (number)

128909085 is an odd 9-digits composite number following 128909084 and preceding 128909086. In scientific notation, it is written as 1.28909085 × 10^8. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 68751504 positive integers (up to 128909085) that are relatively prime to 128909085.

Interesting facts

128909085 has 8 divisors, whose sum is 206254560
The reverse of 128909085 is 580909821
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6

Name

Name	one hundred twenty-eight million nine hundred nine thousand eighty-five

Notation

Scientific notation	1.28909085 × 10^8
Engineering notation	1.28909085 × 10^6

Prime Factorization of 128909085

Prime Factorization 5 × 3 × 8593939

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	128909085	Product of the distinct prime numbers

The prime factorization of 128909085 is 5 × 3 × 8593939. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 6, 64, 11, 276, 211, 2831, 5115, 41527, 91545, 295666, 473916, 6903325, 2089390, 40329979, 79067611, 674692658, 164400172, 9359243601, 744935494

Basic calculations (n = 128909085)

Multiplication

n×y

n×2	257818170
n×3	386727255
n×4	515636340
n×5	644545425

Division

n÷y

n÷2	64454542.5
n÷3	42969695
n÷3	32227271.25
n÷5	25781817

Exponentiation

n^y

n²	16617552195537225
n³	2.1421534484664E+24
n⁴	2.761430409714E+32
n⁵	3.5597346740741E+40

Nth Root

^y√n

²√n	11353.81367647
³√n	505.15870579603
⁴√n	106.55427573059
⁵√n	41.884824991348

Divisors of 128909085

1, 3, 5, 15, 8593939, 25781817, 42969695, 128909085

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-128909084	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128909085 can be divided by 8 positive divisors. The sum of these divisors (counting 128909085) is 1, the average is 0.125.

Base conversion 128909085

Base	System	Value
2	Binary	111101011101111111100011101
3	Ternary	22222120021000120
4	Quaternary	13223233330131
5	Quinary	231000042320
6	Senary	20442545153
8	Octal	753577435
10	Decimal	128909085
12	Duodecimal	372081b9
16	Hexadecimal	7aeff1d
20	Vigesimal	205dce5
36	Base36	24qyvx

Cryptographic Hash Functions

md5	df3883b51b90d5c95e0e655afd6f7b55
sha1	976adb0a8a96998b8348d453658cd1a346fd2a33
sha256	2e0a6993c43743161b6a9060d1334822872e5ad61c3bbe7ee307dd6e33c82d2c
sha512	57f17e8a99d5e5b2f33ed265676b9cbbbf1a0b742a7b6353c35ea81b89ffe551cd0d95b1543782cf568319114be85b2165a1e65cdead812a8f4b0f1565678fd4
ripemd-160	c519d7712e03feaf0dd6eb105f20211949d56398

128909085 as geometric shapes

Circle

Radius = n

Diameter	257818170
Circumference	809959668.83396
Area	5.2205579898145E+16

Sphere

Radius = n

Volume	8.9730313820856E+24
Surface area	2.0882231959258E+17
Circumference	809959668.83396

Square

Length = n

Perimeter	515636340
Area	16617552195537225
Diagonal	182304976.32011

Cube

Length = n

Surface area	99705313173223350
Volume	2.1421534484664E+24
Space diagonal	223277084.77722

Equilateral Triangle

Length = n

Perimeter	386727255
Area	7.1956111750246E+15
Altitude	111638542.38861

Triangular Pyramid

Length = n

Surface area	7.1956111750246E+15
Volume	2.524552049588E+23
Height	60768325.440035