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

128979 (number)

128979 is an odd 6-digits composite number following 128978 and preceding 128980. In scientific notation, it is written as 1.28979 × 10^5. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 80640 positive integers (up to 128979) that are relatively prime to 128979.

Interesting facts

128979 has 8 divisors, whose sum is 173712
The reverse of 128979 is 979821
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 6
Sum of Digits 36
Digital Root 9

Name

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

Notation

Scientific notation	1.28979 × 10^5
Engineering notation	1.28979 × 10^3

Prime Factorization of 128979

Prime Factorization 153 × 3 × 281

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	128979	Product of the distinct prime numbers

The prime factorization of 128979 is 153 × 3 × 281. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 4, 100, 3, 323, 206, 7620, 5365, 10147, 88504, 382875, 203437, 8570037, 3746940, 71770485, 844388, 857830895, 150264991, 7289342187, 7088954340

Basic calculations (n = 128979)

Multiplication

n×y

n×2	257958
n×3	386937
n×4	515916
n×5	644895

Division

n÷y

n÷2	64489.5
n÷3	42993
n÷3	32244.75
n÷5	25795.8

Exponentiation

n^y

n²	16635582441
n³	2145640787657739
n⁴	2.7674260315131E+20
n⁵	3.5693984211852E+25

Nth Root

^y√n

²√n	359.13646431405
³√n	50.525001507754
⁴√n	18.950896134855
⁵√n	10.522133341629

Divisors of 128979

1, 3, 153, 281, 459, 843, 42993, 128979

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	-128978	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 128979 can be divided by 8 positive divisors. The sum of these divisors (counting 128979) is 1, the average is 0.125.

Base conversion 128979

Base	System	Value
2	Binary	11111011111010011
3	Ternary	20112221000
4	Quaternary	133133103
5	Quinary	13111404
6	Senary	2433043
8	Octal	373723
10	Decimal	128979
12	Duodecimal	62783
16	Hexadecimal	1f7d3
20	Vigesimal	g28j
36	Base36	2rir

Cryptographic Hash Functions

md5	a3ec0dd921d428ed745a6ec39879cf55
sha1	15ada69b2496ac598bbf0fd8f3ed637a882a25ce
sha256	99a4e08aa3c68fda4a8471991a7bd57d5cb309d2f87eeff92796de3d4576b13b
sha512	963a50b89515e82f616317979f81c18b75a821688159030728b4b3b11084e14015250a3b649369af65eab6c19445c1d9424ebe1ed0ec0649440699ac33b4a439
ripemd-160	c0aeef93c9d55891fbbc23c7535a83885332537e

128979 as geometric shapes

Circle

Radius = n

Diameter	257958
Circumference	810398.95773472
Area	52262223584.833

Sphere

Radius = n

Volume	8.9876391143309E+15
Surface area	209048894339.33
Circumference	810398.95773472

Square

Length = n

Perimeter	515916
Area	16635582441
Diagonal	182403.85106132

Cube

Length = n

Surface area	99813494646
Volume	2145640787657739
Space diagonal	223398.18110943

Equilateral Triangle

Length = n

Perimeter	386937
Area	7203418500.3282
Altitude	111699.09055471

Triangular Pyramid

Length = n

Surface area	7203418500.3282
Volume	2.5286619182387E+14
Height	60801.283687106