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

129440042 (number)

129440042 is an even 9-digits composite number following 129440041 and preceding 129440043. In scientific notation, it is written as 1.29440042 × 10^8. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 64720020 positive integers (up to 129440042) that are relatively prime to 129440042.

Interesting facts

129440042 has 4 divisors, whose sum is 194160066
The reverse of 129440042 is 240044921
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 9
Sum of Digits 26
Digital Root 8

Name

Name	one hundred twenty-nine million four hundred forty thousand forty-two

Notation

Scientific notation	1.29440042 × 10^8
Engineering notation	1.29440042 × 10^6

Prime Factorization of 129440042

Prime Factorization 2 × 64720021

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	129440042	Product of the distinct prime numbers

The prime factorization of 129440042 is 2 × 64720021. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 8, 79, 33, 76, 919, 6113, 8715, 58447, 80692, 534046, 90965, 9392010, 1843206, 1902061, 99824589, 178227500, 873938772, 1515807862, 7308330

Basic calculations (n = 129440042)

Multiplication

n×y

n×2	258880084
n×3	388320126
n×4	517760168
n×5	647200210

Division

n÷y

n÷2	64720021
n÷3	43146680.666667
n÷3	32360010.5
n÷5	25888008.4

Exponentiation

n^y

n²	16754724472961764
n³	2.1687322394786E+24
n⁴	2.8072079216486E+32
n⁵	3.6336511128093E+40

Nth Root

^y√n

²√n	11377.171968464
³√n	505.85131315346
⁴√n	106.66382689771
⁵√n	41.91927173591

Divisors of 129440042

1, 2, 64720021, 129440042

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	-129440041	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 129440042 can be divided by 4 positive divisors. The sum of these divisors (counting 129440042) is 1, the average is 0.25.

Base conversion 129440042

Base	System	Value
2	Binary	111101101110001100100101010
3	Ternary	100000120020100122
4	Quaternary	13231301210222
5	Quinary	231114040132
6	Senary	20502203242
8	Octal	755614452
10	Decimal	129440042
12	Duodecimal	37423522
16	Hexadecimal	7b7192a
20	Vigesimal	2090022
36	Base36	252ckq

Cryptographic Hash Functions

md5	2d0705f293d549dc60cdbd7019dba09e
sha1	82640d2df8254bd9bf7140c7b1a4bbf113c052ac
sha256	230da54719c46149c1406a8886a227fc1217d5d5e06379b6b13e920f4883caf2
sha512	c30a28b1d856d8e131632dc5a7e7b3bfcdebc55658c12dca57bb15fca87fb3153d16ef353b14d70f6a5f5510336b551081aaabda2df0287307b006d831d5d4c7
ripemd-160	3be6a7faacf664c7b444da09b0d47f649482d245

129440042 as geometric shapes

Circle

Radius = n

Diameter	258880084
Circumference	813295770.05511
Area	5.2636519317178E+16

Sphere

Radius = n

Volume	9.0843643615324E+24
Surface area	2.1054607726871E+17
Circumference	813295770.05511

Square

Length = n

Perimeter	517760168
Area	16754724472961764
Diagonal	183055862.91054

Cube

Length = n

Surface area	100528346837770584
Volume	2.1687322394786E+24
Space diagonal	224196729.27785

Equilateral Triangle

Length = n

Perimeter	388320126
Area	7.2550085134969E+15
Altitude	112098364.63892

Triangular Pyramid

Length = n

Surface area	7.2550085134969E+15
Volume	2.5558754551887E+23
Height	61018620.970181