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

20131387 (number)

20131387 is an odd 8-digits prime number following 20131386 and preceding 20131388. In scientific notation, it is written as 2.0131387 × 10^7. The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors. There are 20131386 positive integers (up to 20131387) that are relatively prime to 20131387.

Interesting facts

20131387 has 2 divisors, whose sum is 20131388
The reverse of 20131387 is 78313102
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7

Name

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

Notation

Scientific notation	2.0131387 × 10^7
Engineering notation	2.0131387 × 10^6

Prime Factorization of 20131387

Prime Factorization 20131387

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	20131387	Product of the distinct prime numbers

The prime factorization of 20131387 is 20131387. Since it has a total of 1 prime factors.

Most popular turbo-numbers

8, 9, 67, 56, 82, 973, 6768, 6374, 36533, 61630, 584231, 366749, 6796884, 8332530, 47511732, 68935942, 120791429, 990620654, 4119022422, 3509150415

Basic calculations (n = 20131387)

Multiplication

n×y

n×2	40262774
n×3	60394161
n×4	80525548
n×5	100656935

Division

n÷y

n÷2	10065693.5
n÷3	6710462.3333333
n÷3	5032846.75
n÷5	4026277.4

Exponentiation

n^y

n²	405272742543769
n³	8.1587024207E+21
n⁴	1.6424599584895E+29
n⁵	3.3064997056356E+36

Nth Root

^y√n

²√n	4486.8014219486
³√n	272.03486343058
⁴√n	66.983590691666
⁵√n	28.891809292832

Divisors of 20131387

1, 20131387

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	20131388	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10065694	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4486.8015333866	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999006527	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20131387 can be divided by 2 positive divisors. The sum of these divisors (counting 20131387) is 20131388, the average is 10065694.

Base conversion 20131387

Base	System	Value
2	Binary	1001100110010111000111011
3	Ternary	1101212210001221
4	Quaternary	1030302320323
5	Quinary	20123201022
6	Senary	1555252511
8	Octal	114627073
10	Decimal	20131387
12	Duodecimal	68aa137
16	Hexadecimal	1332e3b
20	Vigesimal	65g897
36	Base36	bzhh7

Cryptographic Hash Functions

md5	f6393a4edb99664cbfdd75b881a13159
sha1	9c37c4bd696396a7ab61467702e7c618134efa61
sha256	2d288a422e7354eff313e0a08b4fdbf49af722b6201a6bc09aab765faae37346
sha512	3c57661f550956ec1fa6cce2b0db385ba93f164b5818b03df17a02637213cdc53b18e56c90b06927369763d9132ed086069d44a769eb9902ba0359ce95f2ba8a
ripemd-160	d6230381351e18bec75be617af2d283bcbeec8eb

20131387 as geometric shapes

Circle

Radius = n

Diameter	40262774
Circumference	126489235.01155
Area	1.2732018706757E+15

Sphere

Radius = n

Volume	3.4175092783595E+22
Surface area	5.0928074827028E+15
Circumference	126489235.01155

Square

Length = n

Perimeter	80525548
Area	405272742543769
Diagonal	28470080.524781

Cube

Length = n

Surface area	2431636455262614
Volume	8.1587024207E+21
Space diagonal	34868585.110832

Equilateral Triangle

Length = n

Perimeter	60394161
Area	1.7548824525215E+14
Altitude	17434292.555416

Triangular Pyramid

Length = n

Surface area	1.7548824525215E+14
Volume	9.6151230122668E+20
Height	9490026.8415938