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

20129818 (number)

20129818 is an even 8-digits composite number following 20129817 and preceding 20129819. In scientific notation, it is written as 2.0129818 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 9850716 positive integers (up to 20129818) that are relatively prime to 20129818.

Interesting facts

20129818 has 8 divisors, whose sum is 30837312
The reverse of 20129818 is 81892102
Previous prime number is 47

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4

Name

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

Notation

Scientific notation	2.0129818 × 10^7
Engineering notation	2.0129818 × 10^6

Prime Factorization of 20129818

Prime Factorization 2 × 47 × 214147

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20129818	Product of the distinct prime numbers

The prime factorization of 20129818 is 2 × 47 × 214147. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 5, 10, 49, 649, 753, 6125, 1120, 39319, 32391, 444932, 961842, 1900792, 5057883, 69197307, 47673562, 622927553, 631008661, 4095407805, 4470876451

Basic calculations (n = 20129818)

Multiplication

n×y

n×2	40259636
n×3	60389454
n×4	80519272
n×5	100649090

Division

n÷y

n÷2	10064909
n÷3	6709939.3333333
n÷3	5032454.5
n÷5	4025963.6

Exponentiation

n^y

n²	405209572713124
n³	8.156794950573E+21
n⁴	1.6419479781835E+29
n⁵	3.3052113966302E+36

Nth Root

^y√n

²√n	4486.6265723815
³√n	272.02779596275
⁴√n	66.982285511779
⁵√n	28.891358924836

Divisors of 20129818

1, 2, 47, 94, 214147, 428294, 10064909, 20129818

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	-20129817	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 20129818 can be divided by 8 positive divisors. The sum of these divisors (counting 20129818) is 1, the average is 0.125.

Base conversion 20129818

Base	System	Value
2	Binary	1001100110010100000011010
3	Ternary	1101212200220211
4	Quaternary	1030302200122
5	Quinary	20123123233
6	Senary	1555241334
8	Octal	114624032
10	Decimal	20129818
12	Duodecimal	68a924a
16	Hexadecimal	133281a
20	Vigesimal	65g4ai
36	Base36	bzg9m

Cryptographic Hash Functions

md5	7ad753fb5861777ebdba5ea68fb88cac
sha1	800e483d702b14e4f6a5fa7a836660837eff8fbc
sha256	b9466c4b9023d7e0d76d43b01e2b79d35aec6bf374f08ddf1525b5d86c714d82
sha512	42ec514635529e4c8f441438b8c82a346827698c3db961f8f8fdb1e751a3c6d3498dc678667bf7d136eb33b29f071dcc349ec6ea9d5583b8725f351a29ae9760
ripemd-160	05900b29c7306e07bf9e1de183222ceca040333b

20129818 as geometric shapes

Circle

Radius = n

Diameter	40259636
Circumference	126479376.6938
Area	1.2730034167998E+15

Sphere

Radius = n

Volume	3.4167102791411E+22
Surface area	5.0920136671992E+15
Circumference	126479376.6938

Square

Length = n

Perimeter	80519272
Area	405209572713124
Diagonal	28467861.623702

Cube

Length = n

Surface area	2431257436278744
Volume	8.156794950573E+21
Space diagonal	34865867.523115

Equilateral Triangle

Length = n

Perimeter	60389454
Area	1.754608919131E+14
Altitude	17432933.761557

Triangular Pyramid

Length = n

Surface area	1.754608919131E+14
Volume	9.6128750371639E+20
Height	9489287.2079007