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

20189731 (number)

20189731 is an odd 8-digits prime number following 20189730 and preceding 20189732. In scientific notation, it is written as 2.0189731 × 10^7. The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors. There are 20189730 positive integers (up to 20189731) that are relatively prime to 20189731.

Interesting facts

20189731 has 2 divisors, whose sum is 20189732
The reverse of 20189731 is 13798102
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	twenty million one hundred eighty-nine thousand seven hundred thirty-one

Notation

Scientific notation	2.0189731 × 10^7
Engineering notation	2.0189731 × 10^6

Prime Factorization of 20189731

Prime Factorization 20189731

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	20189731	Product of the distinct prime numbers

The prime factorization of 20189731 is 20189731. Since it has a total of 1 prime factors.

Most popular turbo-numbers

4, 6, 79, 49, 788, 926, 3892, 3018, 89283, 58885, 513575, 237635, 7402311, 2301735, 45704131, 91470586, 287871084, 186097045, 964217255, 3563380477

Basic calculations (n = 20189731)

Multiplication

n×y

n×2	40379462
n×3	60569193
n×4	80758924
n×5	100948655

Division

n÷y

n÷2	10094865.5
n÷3	6729910.3333333
n÷3	5047432.75
n÷5	4037946.2

Exponentiation

n^y

n²	407625237852361
n³	8.2298439010502E+21
n⁴	1.6615833453419E+29
n⁵	3.3546920776534E+36

Nth Root

^y√n

²√n	4493.2984543651
³√n	272.29741023361
⁴√n	67.032070342226
⁵√n	28.908536535546

Divisors of 20189731

1, 20189731

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	20189732	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10094866	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4493.2985656419	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999009397	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20189731 can be divided by 2 positive divisors. The sum of these divisors (counting 20189731) is 20189732, the average is 10094866.

Base conversion 20189731

Base	System	Value
2	Binary	1001101000001001000100011
3	Ternary	1101222202002211
4	Quaternary	1031001020203
5	Quinary	20132032411
6	Senary	2000422551
8	Octal	115011043
10	Decimal	20189731
12	Duodecimal	6917a57
16	Hexadecimal	1341223
20	Vigesimal	663e6b
36	Base36	c0qhv

Cryptographic Hash Functions

md5	696d1c12bc7696439bb6e3bda0ad0566
sha1	4416389fce26dd0f91c4492ffacd97bdf88c6755
sha256	d2e5f095335420f7c6ddc9c2aaef175301914f8b8d5d78986bd3f5b651f3ef5c
sha512	14e843bc56ca8ef939c13b1998bfc01011cde16e1883c8bdcc94124d723adfdaff174a4c939e3bb96fb46b94cdf40e470bea8da04baf1c39aa6f74aa93f1924d
ripemd-160	6ab0f987bcf2f1b7ac835262a10216287d656039

20189731 as geometric shapes

Circle

Radius = n

Diameter	40379462
Circumference	126855821.17511
Area	1.2805924526548E+15

Sphere

Radius = n

Volume	3.447308951964E+22
Surface area	5.1223698106191E+15
Circumference	126855821.17511

Square

Length = n

Perimeter	80758924
Area	407625237852361
Diagonal	28552591.400865

Cube

Length = n

Surface area	2445751427114166
Volume	8.2298439010502E+21
Space diagonal	34969639.883148

Equilateral Triangle

Length = n

Perimeter	60569193
Area	1.7650690560191E+14
Altitude	17484819.941574

Triangular Pyramid

Length = n

Surface area	1.7650690560191E+14
Volume	9.6989640508989E+20
Height	9517530.4669548