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

20138287 (number)

20138287 is an odd 8-digits composite number following 20138286 and preceding 20138288. In scientific notation, it is written as 2.0138287 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 18589176 positive integers (up to 20138287) that are relatively prime to 20138287.

Interesting facts

20138287 has 4 divisors, whose sum is 21687400
The reverse of 20138287 is 78283102
Previous prime number is 13

Basic properties

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

Name

Name	twenty million one hundred thirty-eight thousand two hundred eighty-seven

Notation

Scientific notation	2.0138287 × 10^7
Engineering notation	2.0138287 × 10^6

Prime Factorization of 20138287

Prime Factorization 13 × 1549099

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20138287	Product of the distinct prime numbers

The prime factorization of 20138287 is 13 × 1549099. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 4, 82, 7, 483, 566, 1913, 7088, 25298, 50034, 218750, 738890, 8852365, 8542585, 57231370, 99160649, 927408471, 147552271, 9687188284, 1866104964

Basic calculations (n = 20138287)

Multiplication

n×y

n×2	40276574
n×3	60414861
n×4	80553148
n×5	100691435

Division

n÷y

n÷2	10069143.5
n÷3	6712762.3333333
n÷3	5034571.75
n÷5	4027657.4

Exponentiation

n^y

n²	405550603294369
n³	8.1670944421651E+21
n⁴	1.6447129183243E+29
n⁵	3.3121700781822E+36

Nth Root

^y√n

²√n	4487.5702780012
³√n	272.06593971538
⁴√n	66.98932958316
⁵√n	28.893789545445

Divisors of 20138287

1, 13, 1549099, 20138287

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	-20138286	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 20138287 can be divided by 4 positive divisors. The sum of these divisors (counting 20138287) is 1, the average is 0.25.

Base conversion 20138287

Base	System	Value
2	Binary	1001100110100100100101111
3	Ternary	1101220010112111
4	Quaternary	1030310210233
5	Quinary	20123411122
6	Senary	1555344451
8	Octal	114644457
10	Decimal	20138287
12	Duodecimal	68b2127
16	Hexadecimal	133492f
20	Vigesimal	65h5e7
36	Base36	bzmsv

Cryptographic Hash Functions

md5	65baca414c6ca5e9277e66b85fc71bec
sha1	70fd0c2250e55875f1676aa6990887318b0bfcc2
sha256	a088e2ebb26c35200aa3e0977ba4ccb4a23eecc1c9b2d61888e73e15f47049eb
sha512	29f87804c785ebdbad89b670f5262262f44fcd7ecefd7f7373a4359d38e8261bcb156c3e1e3ac690e950f6cb4d8b8c8aa1b599fd164662f9975a7bda2d7a056d
ripemd-160	373c5ddf915f99eac6f6bf9991edfa8f5b379ed8

20138287 as geometric shapes

Circle

Radius = n

Diameter	40276574
Circumference	126532588.99017
Area	1.2740747959685E+15

Sphere

Radius = n

Volume	3.4210245200907E+22
Surface area	5.096299183874E+15
Circumference	126532588.99017

Square

Length = n

Perimeter	80553148
Area	405550603294369
Diagonal	28479838.598362

Cube

Length = n

Surface area	2433303619766214
Volume	8.1670944421651E+21
Space diagonal	34880536.261404

Equilateral Triangle

Length = n

Perimeter	60414861
Area	1.7560856248651E+14
Altitude	17440268.130702

Triangular Pyramid

Length = n

Surface area	1.7560856248651E+14
Volume	9.6250131044099E+20
Height	9493279.5327873