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

129021842 (number)

129021842 is an even 9-digits composite number following 129021841 and preceding 129021843. In scientific notation, it is written as 1.29021842 × 10^8. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 64510920 positive integers (up to 129021842) that are relatively prime to 129021842.

Interesting facts

129021842 has 4 divisors, whose sum is 193532766
The reverse of 129021842 is 248120921
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 9
Sum of Digits 29
Digital Root 2

Name

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

Notation

Scientific notation	1.29021842 × 10^8
Engineering notation	1.29021842 × 10^6

Prime Factorization of 129021842

Prime Factorization 2 × 64510921

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	129021842	Product of the distinct prime numbers

The prime factorization of 129021842 is 2 × 64510921. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 7, 49, 4, 244, 789, 2850, 124, 65672, 1202, 410156, 411422, 7081405, 6855279, 8093904, 91220729, 864920700, 807879683, 1705396135, 2949885671

Basic calculations (n = 129021842)

Multiplication

n×y

n×2	258043684
n×3	387065526
n×4	516087368
n×5	645109210

Division

n÷y

n÷2	64510921
n÷3	43007280.666667
n÷3	32255460.5
n÷5	25804368.4

Exponentiation

n^y

n²	16646635713072964
n³	2.1477796028037E+24
n⁴	2.7711048056376E+32
n⁵	3.5753304639841E+40

Nth Root

^y√n

²√n	11358.778191337
³√n	505.30595060434
⁴√n	106.57756889392
⁵√n	41.892149774794

Divisors of 129021842

1, 2, 64510921, 129021842

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	-129021841	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 129021842 can be divided by 4 positive divisors. The sum of these divisors (counting 129021842) is 1, the average is 0.25.

Base conversion 129021842

Base	System	Value
2	Binary	111101100001011011110010010
3	Ternary	22222202222200202
4	Quaternary	13230023132102
5	Quinary	231012144332
6	Senary	20445215202
8	Octal	754133622
10	Decimal	129021842
12	Duodecimal	37261502
16	Hexadecimal	7b0b792
20	Vigesimal	2067ec2
36	Base36	24tdw2

Cryptographic Hash Functions

md5	1cc366488200da14529b2eacb09447c8
sha1	55269737a1dd2b97669e12821f24e471a7154a1d
sha256	9f0e617322dc78891ba00d779a92b7ed0ac501967662ec0944e99d82585cfe51
sha512	70804d66e77ca0b974a44bae5fd2ddc1d3d94e8c8673a06fb05810d3d79fab655181d565d8f582bde2594412adbb6d89b8bef3693ff3581bc36f8ba5cf63c27b
ripemd-160	c9e46fe404eea294e7879966eb99a687b3d2021a

129021842 as geometric shapes

Circle

Radius = n

Diameter	258043684
Circumference	810668141.95965
Area	5.2296948463176E+16

Sphere

Radius = n

Volume	8.996598162264E+24
Surface area	2.091877938527E+17
Circumference	810668141.95965

Square

Length = n

Perimeter	516087368
Area	16646635713072964
Diagonal	182464438.79876

Cube

Length = n

Surface area	99879814278437784
Volume	2.1477796028037E+24
Space diagonal	223472385.63012

Equilateral Triangle

Length = n

Perimeter	387065526
Area	7.2082047075332E+15
Altitude	111736192.81506

Triangular Pyramid

Length = n

Surface area	7.2082047075332E+15
Volume	2.531182536061E+23
Height	60821479.599586