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

128980 (number)

128980 is an even 6-digits composite number following 128979 and preceding 128981. In scientific notation, it is written as 1.28980 × 10^5. The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors. There are 51584 positive integers (up to 128980) that are relatively prime to 128980.

Interesting facts

128980 has 12 divisors, whose sum is 270900
The reverse of 128980 is 089821
Previous prime number is 5

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 nine hundred eighty

Notation

Scientific notation	1.28980 × 10^5
Engineering notation	1.28980 × 10^3

Prime Factorization of 128980

Prime Factorization 2 × 2 × 5 × 6449

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	64490	Product of the distinct prime numbers

The prime factorization of 128980 is 2 × 2 × 5 × 6449. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 1, 35, 16, 449, 717, 4016, 8886, 90807, 87831, 436273, 863708, 5623856, 968420, 50412806, 93811606, 119671069, 170339856, 8848363753, 8776501821

Basic calculations (n = 128980)

Multiplication

n×y

n×2	257960
n×3	386940
n×4	515920
n×5	644900

Division

n÷y

n÷2	64490
n÷3	42993.333333333
n÷3	32245
n÷5	25796

Exponentiation

n^y

n²	16635840400
n³	2145690694792000
n⁴	2.7675118581427E+20
n⁵	3.5695367946325E+25

Nth Root

^y√n

²√n	359.1378565398
³√n	50.525132084233
⁴√n	18.950932867271
⁵√n	10.52214965762

Divisors of 128980

1, 2, 4, 5, 10, 20, 6449, 12898, 25796, 32245, 64490, 128980

12 divisors

τ	Total Divisors	12	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-128979	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.083333333333333	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	12	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128980 can be divided by 12 positive divisors. The sum of these divisors (counting 128980) is 1, the average is 0.083333333333333.

Base conversion 128980

Base	System	Value
2	Binary	11111011111010100
3	Ternary	20112221001
4	Quaternary	133133110
5	Quinary	13111410
6	Senary	2433044
8	Octal	373724
10	Decimal	128980
12	Duodecimal	62784
16	Hexadecimal	1f7d4
20	Vigesimal	g290
36	Base36	2ris

Cryptographic Hash Functions

md5	43d7ca575a9668381a9551d052989509
sha1	adbd5349bb520962b683952683348506d960ce0f
sha256	7776177677b9fbd5e856ab79a93e9c47139af2066c11b3bf3161b1b22a670c70
sha512	dcfcd4fcff869917c2d2221c680b7689b53d65d5f041dee3625c0ceae7a67003db9bdec45452cf1329f2033371c27e3cf6496aa072a7804dd87f1056156b6e3d
ripemd-160	07e55435e514270ae9102f30f511b87a7c0f9991

128980 as geometric shapes

Circle

Radius = n

Diameter	257960
Circumference	810405.24092002
Area	52263033986.932

Sphere

Radius = n

Volume	8.987848164846E+15
Surface area	209052135947.73
Circumference	810405.24092002

Square

Length = n

Perimeter	515920
Area	16635840400
Diagonal	182405.26527488

Cube

Length = n

Surface area	99815042400
Volume	2145690694792000
Space diagonal	223399.91316023

Equilateral Triangle

Length = n

Perimeter	386940
Area	7203530199.8517
Altitude	111699.95658012

Triangular Pyramid

Length = n

Surface area	7203530199.8517
Volume	2.5287207343605E+14
Height	60801.755091627