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

20431387 (number)

20431387 is an odd 8-digits composite number following 20431386 and preceding 20431388. In scientific notation, it is written as 2.0431387 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 19772280 positive integers (up to 20431387) that are relatively prime to 20431387.

Interesting facts

20431387 has 4 divisors, whose sum is 21090496
The reverse of 20431387 is 78313402
Previous prime number is 31

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1

Name

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

Notation

Scientific notation	2.0431387 × 10^7
Engineering notation	2.0431387 × 10^6

Prime Factorization of 20431387

Prime Factorization 31 × 659077

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20431387	Product of the distinct prime numbers

The prime factorization of 20431387 is 31 × 659077. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 2, 96, 78, 70, 351, 76, 827, 53310, 21248, 471509, 189580, 7895754, 1581323, 95872023, 85049442, 570180090, 790584567, 3569440632, 3688908839

Basic calculations (n = 20431387)

Multiplication

n×y

n×2	40862774
n×3	61294161
n×4	81725548
n×5	102156935

Division

n÷y

n÷2	10215693.5
n÷3	6810462.3333333
n÷3	5107846.75
n÷5	4086277.4

Exponentiation

n^y

n²	417441574743769
n³	8.5289103634794E+21
n⁴	1.7425746832456E+29
n⁵	3.5603217729793E+36

Nth Root

^y√n

²√n	4520.1091800973
³√n	273.37950323921
⁴√n	67.231757228986
⁵√n	28.977410291263

Divisors of 20431387

1, 31, 659077, 20431387

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	-20431386	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 20431387 can be divided by 4 positive divisors. The sum of these divisors (counting 20431387) is 1, the average is 0.25.

Base conversion 20431387

Base	System	Value
2	Binary	1001101111100001000011011
3	Ternary	1102110000121001
4	Quaternary	1031330020123
5	Quinary	20212301022
6	Senary	2005525431
8	Octal	115741033
10	Decimal	20431387
12	Duodecimal	6a13877
16	Hexadecimal	137c21b
20	Vigesimal	67di97
36	Base36	c5wyj

Cryptographic Hash Functions

md5	3e7e4807208fdea2988fbb128a50b659
sha1	69545e6b3907ca1712a03009f29596d8c46dfb65
sha256	416cdca5a4572f130f7cebe20e578b051f2d7f95192ae17119b3b3b9cb135b89
sha512	f109f1d87e51b3f2f040a72b6daf1eb9b854a02b7839369f50e56686b91cb5175cef93b71a018eaf855d08a614fe47f8374788cfb731e41714aa10afda53bcea
ripemd-160	23b057bc987045e3214703a5b42eacc9196e43e1

20431387 as geometric shapes

Circle

Radius = n

Diameter	40862774
Circumference	128374190.6037
Area	1.311431384518E+15

Sphere

Radius = n

Volume	3.5725816188044E+22
Surface area	5.2457255380719E+15
Circumference	128374190.6037

Square

Length = n

Perimeter	81725548
Area	417441574743769
Diagonal	28894344.593493

Cube

Length = n

Surface area	2504649448462614
Volume	8.5289103634794E+21
Space diagonal	35388200.353102

Equilateral Triangle

Length = n

Perimeter	61294161
Area	1.8075750416194E+14
Altitude	17694100.176551

Triangular Pyramid

Length = n

Surface area	1.8075750416194E+14
Volume	1.0051417256914E+21
Height	9631448.1978311