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

129309905 (number)

129309905 is an odd 9-digits composite number following 129309904 and preceding 129309906. In scientific notation, it is written as 1.29309905 × 10^8. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 97362688 positive integers (up to 129309905) that are relatively prime to 129309905.

Interesting facts

129309905 has 4 divisors, whose sum is 130831284
The reverse of 129309905 is 509903921
Previous prime number is 85

Basic properties

Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2

Name

Name	one hundred twenty-nine million three hundred nine thousand nine hundred five

Notation

Scientific notation	1.29309905 × 10^8
Engineering notation	1.29309905 × 10^6

Prime Factorization of 129309905

Prime Factorization 85 × 1521293

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	129309905	Product of the distinct prime numbers

The prime factorization of 129309905 is 85 × 1521293. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 10, 29, 72, 701, 974, 7444, 4809, 58950, 3788, 710789, 796761, 3240552, 8034061, 68014353, 82741592, 811392571, 91027969, 7218913649, 1957989949

Basic calculations (n = 129309905)

Multiplication

n×y

n×2	258619810
n×3	387929715
n×4	517239620
n×5	646549525

Division

n÷y

n÷2	64654952.5
n÷3	43103301.666667
n÷3	32327476.25
n÷5	25861981

Exponentiation

n^y

n²	16721051531109025
n³	2.1621975849878E+24
n⁴	2.79593564306E+32
n⁵	3.6154217239021E+40

Nth Root

^y√n

²√n	11371.451314586
³√n	505.68173130144
⁴√n	106.63700724695
⁵√n	41.910839347672

Divisors of 129309905

1, 85, 1521293, 129309905

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	-129309904	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 129309905 can be divided by 4 positive divisors. The sum of these divisors (counting 129309905) is 1, the average is 0.25.

Base conversion 129309905

Base	System	Value
2	Binary	111101101010001110011010001
3	Ternary	100000022121211202
4	Quaternary	13231101303101
5	Quinary	231100404110
6	Senary	20455320545
8	Octal	755216321
10	Decimal	129309905
12	Duodecimal	37380155
16	Hexadecimal	7b51cd1
20	Vigesimal	2083ef5
36	Base36	24zk5t

Cryptographic Hash Functions

md5	c4b6638693862d4db2c28c1ce9a830c1
sha1	9ae921c201363420f64c23918546d0d2f32aa5ac
sha256	4f5d0f32a1164ee1bb55fb4630eaa0acb8a2108f4e1fb11e428053a7f6baa52c
sha512	0a53d8d4410b46b84499233af91bf36f505ff1b9449622b5b0b29a22433259327f164c8638c5f16d55dfe149f526f9dd35d3e5fa86abd497083dd21dcfdfef0d
ripemd-160	db59cb593b5c3d35031541c23763c782dfcc2c21

129309905 as geometric shapes

Circle

Radius = n

Diameter	258619810
Circumference	812478095.16879
Area	5.2530732650428E+16

Sphere

Radius = n

Volume	9.0569920648097E+24
Surface area	2.1012293060171E+17
Circumference	812478095.16879

Square

Length = n

Perimeter	517239620
Area	16721051531109025
Diagonal	182871821.40018

Cube

Length = n

Surface area	100326309186654150
Volume	2.1621975849878E+24
Space diagonal	223971325.3819

Equilateral Triangle

Length = n

Perimeter	387929715
Area	7.2404277019645E+15
Altitude	111985662.69095

Triangular Pyramid

Length = n

Surface area	7.2404277019645E+15
Volume	2.5481742910168E+23
Height	60957273.800059