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

51387918 (number)

51387918 is an even 8-digits composite number following 51387917 and preceding 51387919. In scientific notation, it is written as 5.1387918 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 17129304 positive integers (up to 51387918) that are relatively prime to 51387918.

Interesting facts

51387918 has 8 divisors, whose sum is 102775848
The reverse of 51387918 is 81978315
Previous prime number is 3

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6

Name

Name	fifty-one million three hundred eighty-seven thousand nine hundred eighteen

Notation

Scientific notation	5.1387918 × 10^7
Engineering notation	5.1387918 × 10^6

Prime Factorization of 51387918

Prime Factorization 2 × 3 × 8564653

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	51387918	Product of the distinct prime numbers

The prime factorization of 51387918 is 2 × 3 × 8564653. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 5, 31, 2, 744, 755, 536, 8828, 64271, 62271, 742821, 637598, 4952644, 7168573, 76907318, 21129646, 501229151, 295036397, 893151142, 3747191203

Basic calculations (n = 51387918)

Multiplication

n×y

n×2	102775836
n×3	154163754
n×4	205551672
n×5	256939590

Division

n÷y

n÷2	25693959
n÷3	17129306
n÷3	12846979.5
n÷5	10277583.6

Exponentiation

n^y

n²	2640718116374724
n³	1.3570100602538E+23
n⁴	6.9733921701497E+30
n⁵	3.5834810502149E+38

Nth Root

^y√n

²√n	7168.5366707578
³√n	371.78084270131
⁴√n	84.667211308498
⁵√n	34.847546356403

Divisors of 51387918

1, 2, 3, 6, 8564653, 17129306, 25693959, 51387918

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-51387917	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 51387918 can be divided by 8 positive divisors. The sum of these divisors (counting 51387918) is 1, the average is 0.125.

Base conversion 51387918

Base	System	Value
2	Binary	11000100000001111000001110
3	Ternary	10120200202222020
4	Quaternary	3010001320032
5	Quinary	101123403133
6	Senary	5033231010
8	Octal	304017016
10	Decimal	51387918
12	Duodecimal	15262466
16	Hexadecimal	3101e0e
20	Vigesimal	g139fi
36	Base36	ulf66

Cryptographic Hash Functions

md5	ed0a85cfe8555aaa0090032de1db9477
sha1	5f4dc2d5d6a4b764dc89440d83ec5a478660b6b5
sha256	4067672fd294cba998c9c00b70ec0dd644eb9275b3e330d8346831c4e38f99cf
sha512	56825aa66ee9dc997315b0e6c236197a025ed2103d10a49f3d5d163ff86669aab80ed6aec4af3a920b65e249c7f5426997a5df6882b1590364060e9f586935b7
ripemd-160	c1b9c7990ab7fc08655fef0c36446058226c6ddd

51387918 as geometric shapes

Circle

Radius = n

Diameter	102775836
Circumference	322879811.34415
Area	8.2960606346043E+15

Sphere

Radius = n

Volume	5.6842304481877E+23
Surface area	3.3184242538417E+16
Circumference	322879811.34415

Square

Length = n

Perimeter	205551672
Area	2640718116374724
Diagonal	72673490.577716

Cube

Length = n

Surface area	15844308698248344
Volume	1.3570100602538E+23
Space diagonal	89006484.871183

Equilateral Triangle

Length = n

Perimeter	154163754
Area	1.1434644865072E+15
Altitude	44503242.435592

Triangular Pyramid

Length = n

Surface area	1.1434644865072E+15
Volume	1.5992516929064E+22
Height	24224496.859239