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

20129421 (number)

20129421 is an odd 8-digits composite number following 20129420 and preceding 20129422. In scientific notation, it is written as 2.0129421 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 12387024 positive integers (up to 20129421) that are relatively prime to 20129421.

Interesting facts

20129421 has 8 divisors, whose sum is 22234240
The reverse of 20129421 is 12492102
Previous prime number is 13

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3

Name

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

Notation

Scientific notation	2.0129421 × 10^7
Engineering notation	2.0129421 × 10^6

Prime Factorization of 20129421

Prime Factorization 39 × 13 × 39703

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20129421	Product of the distinct prime numbers

The prime factorization of 20129421 is 39 × 13 × 39703. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 10, 47, 77, 148, 215, 2479, 3464, 7341, 31035, 35531, 246465, 712883, 4400835, 44422821, 32725325, 685083329, 738224672, 5907234465, 6236677289

Basic calculations (n = 20129421)

Multiplication

n×y

n×2	40258842
n×3	60388263
n×4	80517684
n×5	100647105

Division

n÷y

n÷2	10064710.5
n÷3	6709807
n÷3	5032355.25
n÷5	4025884.2

Exponentiation

n^y

n²	405193589795241
n³	8.1563123554897E+21
n⁴	1.6418184521115E+29
n⁵	3.3048854828122E+36

Nth Root

^y√n

²√n	4486.5823295689
³√n	272.02600764148
⁴√n	66.981955253403
⁵√n	28.891244964939

Divisors of 20129421

1, 13, 39, 507, 39703, 516139, 1548417, 20129421

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	-20129420	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 20129421 can be divided by 8 positive divisors. The sum of these divisors (counting 20129421) is 1, the average is 0.125.

Base conversion 20129421

Base	System	Value
2	Binary	1001100110010011010001101
3	Ternary	1101212200101010
4	Quaternary	1030302122031
5	Quinary	20123120141
6	Senary	1555235433
8	Octal	114623215
10	Decimal	20129421
12	Duodecimal	68a8b79
16	Hexadecimal	133268d
20	Vigesimal	65g3b1
36	Base36	bzfyl

Cryptographic Hash Functions

md5	08412617723de4761e5c2b5f667c3211
sha1	9b3198486a8f30399800b28c818dcf1ca69843ce
sha256	7f070ec52c6bb5e76133aad1d6b381474af25683809bb2f8b50278709199546b
sha512	ef5613bcf4843e96509dfd781c1c4fb50d8b80d68e42deb4cd549e2dbaaae1c01eb69d252a3beb54dfd20c79efdf37edf604ebd15746c3231e65cb0f259931b5
ripemd-160	711b3ee252050706e8c98fb333ebaabbce418f9e

20129421 as geometric shapes

Circle

Radius = n

Diameter	40258842
Circumference	126476882.26923
Area	1.2729532049824E+15

Sphere

Radius = n

Volume	3.4165081301854E+22
Surface area	5.0918128199296E+15
Circumference	126476882.26923

Square

Length = n

Perimeter	80517684
Area	405193589795241
Diagonal	28467300.180918

Cube

Length = n

Surface area	2431161538771446
Volume	8.1563123554897E+21
Space diagonal	34865179.898944

Equilateral Triangle

Length = n

Perimeter	60388263
Area	1.7545397110664E+14
Altitude	17432589.949472

Triangular Pyramid

Length = n

Surface area	1.7545397110664E+14
Volume	9.612306293404E+20
Height	9489100.0603059