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

20131391 (number)

20131391 is an odd 8-digits composite number following 20131390 and preceding 20131392. In scientific notation, it is written as 2.0131391 × 10^7. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 17255472 positive integers (up to 20131391) that are relatively prime to 20131391.

Interesting facts

20131391 has 4 divisors, whose sum is 23007312
The reverse of 20131391 is 19313102
Previous prime number is 7

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2

Name

Name	twenty million one hundred thirty-one thousand three hundred ninety-one

Notation

Scientific notation	2.0131391 × 10^7
Engineering notation	2.0131391 × 10^6

Prime Factorization of 20131391

Prime Factorization 7 × 2875913

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20131391	Product of the distinct prime numbers

The prime factorization of 20131391 is 7 × 2875913. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 6, 5, 37, 80, 412, 6921, 7338, 22854, 71415, 67173, 594856, 9499386, 1723224, 19986601, 97992765, 338560277, 337425448, 5930763071, 1726120770

Basic calculations (n = 20131391)

Multiplication

n×y

n×2	40262782
n×3	60394173
n×4	80525564
n×5	100656955

Division

n÷y

n÷2	10065695.5
n÷3	6710463.6666667
n÷3	5032847.75
n÷5	4026278.2

Exponentiation

n^y

n²	405272903594881
n³	8.1587072839739E+21
n⁴	1.6424612638823E+29
n⁵	3.3065029905568E+36

Nth Root

^y√n

²√n	4486.8018677004
³√n	272.03488144787
⁴√n	66.983594018987
⁵√n	28.891810440962

Divisors of 20131391

1, 7, 2875913, 20131391

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	-20131390	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 20131391 can be divided by 4 positive divisors. The sum of these divisors (counting 20131391) is 1, the average is 0.25.

Base conversion 20131391

Base	System	Value
2	Binary	1001100110010111000111111
3	Ternary	1101212210002002
4	Quaternary	1030302320333
5	Quinary	20123201031
6	Senary	1555252515
8	Octal	114627077
10	Decimal	20131391
12	Duodecimal	68aa13b
16	Hexadecimal	1332e3f
20	Vigesimal	65g89b
36	Base36	bzhhb

Cryptographic Hash Functions

md5	b47ba5cb83c490ad552926b57e756cd9
sha1	6a06e3ae0d34f20dad1236ebd0431c33a11e904f
sha256	5e7e9a97d3fa4bced527f1981087bce535ece4d668f89e535ba05ad19310b260
sha512	1b0bb9e62f09c4b68852d2e3dd0027859890cc7c396b25106955944302a66de9880bc153b371f26dfc3de6f106c5e7474b74a3bcf441a6654ae08a6bee1978c5
ripemd-160	04814ddc170644e09396caf407e112b2dd893fc7

20131391 as geometric shapes

Circle

Radius = n

Diameter	40262782
Circumference	126489260.14429
Area	1.2732023766327E+15

Sphere

Radius = n

Volume	3.4175113154829E+22
Surface area	5.0928095065307E+15
Circumference	126489260.14429

Square

Length = n

Perimeter	80525564
Area	405272903594881
Diagonal	28470086.181636

Cube

Length = n

Surface area	2431637421569286
Volume	8.1587072839739E+21
Space diagonal	34868592.039035

Equilateral Triangle

Length = n

Perimeter	60394173
Area	1.7548831498932E+14
Altitude	17434296.019517

Triangular Pyramid

Length = n

Surface area	1.7548831498932E+14
Volume	9.61512874369E+20
Height	9490028.7272119