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

129945 (number)

129945 is an odd 6-digits composite number following 129944 and preceding 129946. In scientific notation, it is written as 1.29945 × 10^5. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 69296 positive integers (up to 129945) that are relatively prime to 129945.

Interesting facts

129945 has 4 divisors, whose sum is 138624
The reverse of 129945 is 549921
Previous prime number is 15

Basic properties

Is Prime? no
Number parity odd
Number length 6
Sum of Digits 30
Digital Root 3

Name

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

Notation

Scientific notation	1.29945 × 10^5
Engineering notation	1.29945 × 10^3

Prime Factorization of 129945

Prime Factorization 15 × 8663

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	129945	Product of the distinct prime numbers

The prime factorization of 129945 is 15 × 8663. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 1, 9, 48, 458, 404, 9935, 8659, 52459, 53243, 728739, 162864, 6568239, 6488864, 51692666, 6315511, 848277632, 340645392, 2865790794, 677194216

Basic calculations (n = 129945)

Multiplication

n×y

n×2	259890
n×3	389835
n×4	519780
n×5	649725

Division

n÷y

n÷2	64972.5
n÷3	43315
n÷3	32486.25
n÷5	25989

Exponentiation

n^y

n²	16885703025
n³	2194212679583625
n⁴	2.8512696664849E+20
n⁵	3.7050823681139E+25

Nth Root

^y√n

²√n	360.47884820056
³√n	50.650825110555
⁴√n	18.9862805257
⁵√n	10.537847630172

Divisors of 129945

1, 15, 8663, 129945

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	-129944	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 129945 can be divided by 4 positive divisors. The sum of these divisors (counting 129945) is 1, the average is 0.25.

Base conversion 129945

Base	System	Value
2	Binary	11111101110011001
3	Ternary	20121020210
4	Quaternary	133232121
5	Quinary	13124240
6	Senary	2441333
8	Octal	375631
10	Decimal	129945
12	Duodecimal	63249
16	Hexadecimal	1fb99
20	Vigesimal	g4h5
36	Base36	2s9l

Cryptographic Hash Functions

md5	e2533aaccdf1142880b0576f7c7d6234
sha1	e1a3eee2d4256574c7b8af451db452399b1a1e3e
sha256	bc2cdedc6907f14ae0d295c894b7cd1ad92dbd9fa2969b8a77ce4d80106b66ee
sha512	26d267fbc10475a6be1a2f8077da9c041150592c5ba8f926322d1f5614f21ea5dd55f2e3789e0e8ead9807f92fa49b9f58c9aaac2432d40f55f52b3980c639d6
ripemd-160	b96c2257d85512a1ff5ee4cb49ac3eae3ee45264

129945 as geometric shapes

Circle

Radius = n

Diameter	259890
Circumference	816468.51474145
Area	53048000574.039

Sphere

Radius = n

Volume	9.191096579458E+15
Surface area	212192002296.16
Circumference	816468.51474145

Square

Length = n

Perimeter	519780
Area	16885703025
Diagonal	183769.98136257

Cube

Length = n

Surface area	101314218150
Volume	2194212679583625
Space diagonal	225071.34218954

Equilateral Triangle

Length = n

Perimeter	389835
Area	7311723890.2049
Altitude	112535.67109477

Triangular Pyramid

Length = n

Surface area	7311723890.2049
Volume	2.5859044418318E+14
Height	61256.660454191