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

128949 (number)

128949 is an odd 6-digits composite number following 128948 and preceding 128950. In scientific notation, it is written as 1.28949 × 10^5. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 84240 positive integers (up to 128949) that are relatively prime to 128949.

Interesting facts

128949 has 8 divisors, whose sum is 175392
The reverse of 128949 is 949821
Previous prime number is 53

Basic properties

Is Prime? no
Number parity odd
Number length 6
Sum of Digits 33
Digital Root 6

Name

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

Notation

Scientific notation	1.28949 × 10^5
Engineering notation	1.28949 × 10^3

Prime Factorization of 128949

Prime Factorization 3 × 53 × 811

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	128949	Product of the distinct prime numbers

The prime factorization of 128949 is 3 × 53 × 811. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 7, 93, 43, 293, 16, 3317, 4843, 12934, 50516, 892419, 286240, 2363512, 6116399, 60016087, 36276933, 418574487, 992807953, 4617987895, 5171261437

Basic calculations (n = 128949)

Multiplication

n×y

n×2	257898
n×3	386847
n×4	515796
n×5	644745

Division

n÷y

n÷2	64474.5
n÷3	42983
n÷3	32237.25
n÷5	25789.8

Exponentiation

n^y

n²	16627844601
n³	2144143933454349
n⁴	2.76485216075E+20
n⁵	3.5652492127656E+25

Nth Root

^y√n

²√n	359.09469503183
³√n	50.521083899514
⁴√n	18.949794063045
⁵√n	10.521643814848

Divisors of 128949

1, 3, 53, 159, 811, 2433, 42983, 128949

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	-128948	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 128949 can be divided by 8 positive divisors. The sum of these divisors (counting 128949) is 1, the average is 0.125.

Base conversion 128949

Base	System	Value
2	Binary	11111011110110101
3	Ternary	20112212220
4	Quaternary	133132311
5	Quinary	13111244
6	Senary	2432553
8	Octal	373665
10	Decimal	128949
12	Duodecimal	62759
16	Hexadecimal	1f7b5
20	Vigesimal	g279
36	Base36	2rhx

Cryptographic Hash Functions

md5	1ba297af064908ef73894250169efa33
sha1	14fc52298855073868e4a56f624020105dcec3d4
sha256	bf29ae01419ecde116bc54629433d9164dd9d3eedc6eaa68b123a305cc022073
sha512	1ce4b7072d95725387190d94555c3181d228dc3ee76a3f40626a4c9004089314e74db64f8a87b9ccf9b4ebf5fe476891690aa3c1a7c27bfb890593f81ac01e4f
ripemd-160	a53a7ad67a067afdced82895454fab3f0c5cf61c

128949 as geometric shapes

Circle

Radius = n

Diameter	257898
Circumference	810210.4621755
Area	52237914443.534

Sphere

Radius = n

Volume	8.9813691061057E+15
Surface area	208951657774.14
Circumference	810210.4621755

Square

Length = n

Perimeter	515796
Area	16627844601
Diagonal	182361.42465445

Cube

Length = n

Surface area	99767067606
Volume	2144143933454349
Space diagonal	223346.2195852

Equilateral Triangle

Length = n

Perimeter	386847
Area	7200067917.323
Altitude	111673.1097926

Triangular Pyramid

Length = n

Surface area	7200067917.323
Volume	2.5268978586426E+14
Height	60787.141551483