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

20138842 (number)

20138842 is an even 8-digits composite number following 20138841 and preceding 20138843. In scientific notation, it is written as 2.0138842 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 9855132 positive integers (up to 20138842) that are relatively prime to 20138842.

Interesting facts

20138842 has 8 divisors, whose sum is 30851136
The reverse of 20138842 is 24883102
Previous prime number is 47

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1

Name

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

Notation

Scientific notation	2.0138842 × 10^7
Engineering notation	2.0138842 × 10^6

Prime Factorization of 20138842

Prime Factorization 2 × 47 × 214243

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20138842	Product of the distinct prime numbers

The prime factorization of 20138842 is 2 × 47 × 214243. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 3, 39, 17, 553, 640, 7323, 7577, 50218, 54057, 78733, 862397, 1252514, 688730, 22181520, 85520421, 117888034, 222738046, 2365099655, 7176528005

Basic calculations (n = 20138842)

Multiplication

n×y

n×2	40277684
n×3	60416526
n×4	80555368
n×5	100694210

Division

n÷y

n÷2	10069421
n÷3	6712947.3333333
n÷3	5034710.5
n÷5	4027768.4

Exponentiation

n^y

n²	405572957100964
n³	8.1677697025291E+21
n⁴	1.6448942353162E+29
n⁵	3.3126265111744E+36

Nth Root

^y√n

²√n	4487.6321150469
³√n	272.06843902113
⁴√n	66.989791125565
⁵√n	28.893948803046

Divisors of 20138842

1, 2, 47, 94, 214243, 428486, 10069421, 20138842

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	-20138841	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 20138842 can be divided by 8 positive divisors. The sum of these divisors (counting 20138842) is 1, the average is 0.125.

Base conversion 20138842

Base	System	Value
2	Binary	1001100110100101101011010
3	Ternary	1101220011022001
4	Quaternary	1030310231122
5	Quinary	20123420332
6	Senary	1555351214
8	Octal	114645532
10	Decimal	20138842
12	Duodecimal	68b250a
16	Hexadecimal	1334b5a
20	Vigesimal	65h722
36	Base36	bzn8a

Cryptographic Hash Functions

md5	c0096ed780403c2f0aa569636bb675cf
sha1	8ea7adadf2f1c982de68cf6552b0112d6f37d22c
sha256	a98ea0b10901e8da09ab0c6d5fd168ab0ac5a0952a74a4c3f2e09bf69de04de8
sha512	a37749fa78c9368804863c2dafd1e273ffb19774968418a60aa6f6d8e5badf328e305f2853c2f09f6557994c7ff5c26dbfeea8ce59e058b11c13fcc607f2bf82
ripemd-160	9903b31a39b3d35856bc7bc0ba648e8258501ef6

20138842 as geometric shapes

Circle

Radius = n

Diameter	40277684
Circumference	126536076.15801
Area	1.2741450225231E+15

Sphere

Radius = n

Volume	3.4213073724905E+22
Surface area	5.0965800900923E+15
Circumference	126536076.15801

Square

Length = n

Perimeter	80555368
Area	405572957100964
Diagonal	28480623.486889

Cube

Length = n

Surface area	2433437742605784
Volume	8.1677697025291E+21
Space diagonal	34881497.549602

Equilateral Triangle

Length = n

Perimeter	60416526
Area	1.7561824196871E+14
Altitude	17440748.774801

Triangular Pyramid

Length = n

Surface area	1.7561824196871E+14
Volume	9.6258089063806E+20
Height	9493541.1622963