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

128980655 (number)

128980655 is an odd 9-digits composite number following 128980654 and preceding 128980656. In scientific notation, it is written as 1.28980655 × 10^8. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 103184520 positive integers (up to 128980655) that are relatively prime to 128980655.

Interesting facts

128980655 has 4 divisors, whose sum is 154776792
The reverse of 128980655 is 556089821
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8

Name

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

Notation

Scientific notation	1.28980655 × 10^8
Engineering notation	1.28980655 × 10^6

Prime Factorization of 128980655

Prime Factorization 5 × 25796131

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	128980655	Product of the distinct prime numbers

The prime factorization of 128980655 is 5 × 25796131. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 6, 94, 25, 932, 348, 8316, 4682, 79566, 51121, 447960, 935419, 9753072, 7643886, 58914193, 81915214, 824899523, 604828230, 4360258028, 986437800

Basic calculations (n = 128980655)

Multiplication

n×y

n×2	257961310
n×3	386941965
n×4	515922620
n×5	644903275

Division

n÷y

n÷2	64490327.5
n÷3	42993551.666667
n÷3	32245163.75
n÷5	25796131

Exponentiation

n^y

n²	16636009364229025
n³	2.1457233843844E+24
n⁴	2.7675680756672E+32
n⁵	3.5696274315664E+40

Nth Root

^y√n

²√n	11356.965043532
³√n	505.25217611461
⁴√n	106.56906231891
⁵√n	41.889474828744

Divisors of 128980655

1, 5, 25796131, 128980655

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-128980654	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128980655 can be divided by 4 positive divisors. The sum of these divisors (counting 128980655) is 1, the average is 0.25.

Base conversion 128980655

Base	System	Value
2	Binary	111101100000001011010101111
3	Ternary	22222200220012022
4	Quaternary	13230001122233
5	Quinary	231004340110
6	Senary	20444300355
8	Octal	754013257
10	Decimal	128980655
12	Duodecimal	372416bb
16	Hexadecimal	7b016af
20	Vigesimal	2062bcf
36	Base36	24si3z

Cryptographic Hash Functions

md5	5695781b717af83c5231ae9d8f7562e1
sha1	50bd7353e292d23bc422c538b420aed884959940
sha256	4ff5c9393da28ffd6dc9500f9c1fa216e3390ae008c406d173db24aa490bd278
sha512	01afbf440114d634d44a4848671ec95c137e4abe4d29b022089f131184deafdc42ff6fa6a5eaed3a91567a6884d1ea0096b8f33cefe02e876f3d94c9dfcacd6a
ripemd-160	b6b949e6bf5669bf80eea1913d561772b702efb2

128980655 as geometric shapes

Circle

Radius = n

Diameter	257961310
Circumference	810409356.4064
Area	5.2263564803713E+16

Sphere

Radius = n

Volume	8.9879850946904E+24
Surface area	2.0905425921485E+17
Circumference	810409356.4064

Square

Length = n

Perimeter	515922620
Area	16636009364229025
Diagonal	182406191.58477

Cube

Length = n

Surface area	99816056185374150
Volume	2.1457233843844E+24
Space diagonal	223401047.65351

Equilateral Triangle

Length = n

Perimeter	386941965
Area	7.2036033635091E+15
Altitude	111700523.82676

Triangular Pyramid

Length = n

Surface area	7.2036033635091E+15
Volume	2.5287592594146E+23
Height	60802063.861588