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

20129821 (number)

20129821 is an odd 8-digits composite number following 20129820 and preceding 20129822. In scientific notation, it is written as 2.0129821 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 19982752 positive integers (up to 20129821) that are relatively prime to 20129821.

Interesting facts

20129821 has 4 divisors, whose sum is 20276892
The reverse of 20129821 is 12892102
Previous prime number is 137

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7

Name

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

Notation

Scientific notation	2.0129821 × 10^7
Engineering notation	2.0129821 × 10^6

Prime Factorization of 20129821

Prime Factorization 137 × 146933

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20129821	Product of the distinct prime numbers

The prime factorization of 20129821 is 137 × 146933. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 3, 24, 36, 203, 464, 5037, 2605, 16729, 3147, 427113, 385018, 337612, 6610001, 98833919, 89892186, 318266371, 24300168, 545027824, 8107995663

Basic calculations (n = 20129821)

Multiplication

n×y

n×2	40259642
n×3	60389463
n×4	80519284
n×5	100649105

Division

n÷y

n÷2	10064910.5
n÷3	6709940.3333333
n÷3	5032455.25
n÷5	4025964.2

Exponentiation

n^y

n²	405209693492041
n³	8.1567985974597E+21
n⁴	1.6419489569991E+29
n⁵	3.3052138595529E+36

Nth Root

^y√n

²√n	4486.6269067084
³√n	272.02780947642
⁴√n	66.982288007416
⁵√n	28.891359785987

Divisors of 20129821

1, 137, 146933, 20129821

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	-20129820	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 20129821 can be divided by 4 positive divisors. The sum of these divisors (counting 20129821) is 1, the average is 0.25.

Base conversion 20129821

Base	System	Value
2	Binary	1001100110010100000011101
3	Ternary	1101212200220221
4	Quaternary	1030302200131
5	Quinary	20123123241
6	Senary	1555241341
8	Octal	114624035
10	Decimal	20129821
12	Duodecimal	68a9251
16	Hexadecimal	133281d
20	Vigesimal	65g4b1
36	Base36	bzg9p

Cryptographic Hash Functions

md5	2dbea8f0d9657d2c866fca7c75e623db
sha1	77c1fd803d393d05ad930d23ddedb7513975c514
sha256	cdef2ed08462976159eea2114e04e399d486bc983681c6a1401623072d102648
sha512	fef4719b2d85fe9e19ff1c357a2ef106f02de3d5d27dcdfaf3fa0d25edc58bcedd0d0497ca4ffced80c3014844bf50d674e90c044c1943bf9a2db1e761ac461a
ripemd-160	ad97cb7797253a5b03156cba52518662548e66ab

20129821 as geometric shapes

Circle

Radius = n

Diameter	40259642
Circumference	126479395.54336
Area	1.273003796238E+15

Sphere

Radius = n

Volume	3.4167118067454E+22
Surface area	5.0920151849519E+15
Circumference	126479395.54336

Square

Length = n

Perimeter	80519284
Area	405209693492041
Diagonal	28467865.866343

Cube

Length = n

Surface area	2431258160952246
Volume	8.1567985974597E+21
Space diagonal	34865872.719267

Equilateral Triangle

Length = n

Perimeter	60389463
Area	1.7546094421191E+14
Altitude	17432936.359633

Triangular Pyramid

Length = n

Surface area	1.7546094421191E+14
Volume	9.6128793350611E+20
Height	9489288.6221142