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

20731387 (number)

20731387 is an odd 8-digits composite number following 20731386 and preceding 20731388. In scientific notation, it is written as 2.0731387 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 20710576 positive integers (up to 20731387) that are relatively prime to 20731387.

Interesting facts

20731387 has 4 divisors, whose sum is 20752200
The reverse of 20731387 is 78313702
Previous prime number is 1049

Basic properties

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

Name

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

Notation

Scientific notation	2.0731387 × 10^7
Engineering notation	2.0731387 × 10^6

Prime Factorization of 20731387

Prime Factorization 1049 × 19763

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20731387	Product of the distinct prime numbers

The prime factorization of 20731387 is 1049 × 19763. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 5, 37, 88, 289, 3, 2537, 5974, 1182, 63351, 314274, 426741, 745216, 2629438, 6372132, 54662679, 918200262, 576913436, 524914300, 2824407006

Basic calculations (n = 20731387)

Multiplication

n×y

n×2	41462774
n×3	62194161
n×4	82925548
n×5	103656935

Division

n÷y

n÷2	10365693.5
n÷3	6910462.3333333
n÷3	5182846.75
n÷5	4146277.4

Exponentiation

n^y

n²	429790406943769
n³	8.9101512552388E+21
n⁴	1.8471979390089E+29
n⁵	3.8294975339196E+36

Nth Root

^y√n

²√n	4553.173289037
³√n	274.71104414479
⁴√n	67.477205699681
⁵√n	29.062011598903

Divisors of 20731387

1, 1049, 19763, 20731387

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	-20731386	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 20731387 can be divided by 4 positive divisors. The sum of these divisors (counting 20731387) is 1, the average is 0.25.

Base conversion 20731387

Base	System	Value
2	Binary	1001111000101010111111011
3	Ternary	1110000021010011
4	Quaternary	1033011113323
5	Quinary	20301401022
6	Senary	2020202351
8	Octal	117052773
10	Decimal	20731387
12	Duodecimal	6b393b7
16	Hexadecimal	13c55fb
20	Vigesimal	69b897
36	Base36	cccfv

Cryptographic Hash Functions

md5	99cdb86186f91dce261673bf05292a31
sha1	74221f4fdb43cb39570941b7db7422e971184113
sha256	fdd0292a8dc44e48ef0cab8c496aa6218d84fdd40e7ccc8de131e18b9151bc1b
sha512	7ba2ee305ef4bfa0e6732221633fd7053ea174108da69e3150a39a775377030c6754c2d4f2fc5c93b3448c8773ff2988e6ccc2d647d6488b3e1b32699dc269f0
ripemd-160	eb6a1777f9acbc98b97b15d28f84825b088aad3f

20731387 as geometric shapes

Circle

Radius = n

Diameter	41462774
Circumference	130259146.19585
Area	1.3502263850379E+15

Sphere

Radius = n

Volume	3.7322754301109E+22
Surface area	5.4009055401516E+15
Circumference	130259146.19585

Square

Length = n

Perimeter	82925548
Area	429790406943769
Diagonal	29318608.662205

Cube

Length = n

Surface area	2578742441662614
Volume	8.9101512552388E+21
Space diagonal	35907815.595373

Equilateral Triangle

Length = n

Perimeter	62194161
Area	1.8610470535808E+14
Altitude	17953907.797686

Triangular Pyramid

Length = n

Surface area	1.8610470535808E+14
Volume	1.0500713956629E+21
Height	9772869.5540684