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

16391387 (number)

16391387 is an odd 8-digits composite number following 16391386 and preceding 16391388. In scientific notation, it is written as 1.6391387 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 15678696 positive integers (up to 16391387) that are relatively prime to 16391387.

Interesting facts

16391387 has 4 divisors, whose sum is 17104080
The reverse of 16391387 is 78319361
Previous prime number is 23

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2

Name

Name	sixteen million three hundred ninety-one thousand three hundred eighty-seven

Notation

Scientific notation	1.6391387 × 10^7
Engineering notation	1.6391387 × 10^6

Prime Factorization of 16391387

Prime Factorization 23 × 712669

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	16391387	Product of the distinct prime numbers

The prime factorization of 16391387 is 23 × 712669. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 8, 15, 90, 396, 46, 688, 977, 36898, 30416, 210019, 407676, 2550061, 9291096, 15701244, 4889360, 113240681, 326431075, 1889926994, 36908675

Basic calculations (n = 16391387)

Multiplication

n×y

n×2	32782774
n×3	49174161
n×4	65565548
n×5	81956935

Division

n÷y

n÷2	8195693.5
n÷3	5463795.6666667
n÷3	4097846.75
n÷5	3278277.4

Exponentiation

n^y

n²	268677567783769
n³	4.4039979917625E+21
n⁴	7.2187635430202E+28
n⁵	1.1832554689513E+36

Nth Root

^y√n

²√n	4048.6277922279
³√n	254.02233358088
⁴√n	63.628828310978
⁵√n	27.728293402858

Divisors of 16391387

1, 23, 712669, 16391387

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	-16391386	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 16391387 can be divided by 4 positive divisors. The sum of these divisors (counting 16391387) is 1, the average is 0.25.

Base conversion 16391387

Base	System	Value
2	Binary	111110100001110011011011
3	Ternary	1010211202202102
4	Quaternary	332201303123
5	Quinary	13144011022
6	Senary	1343154015
8	Octal	76416333
10	Decimal	16391387
12	Duodecimal	55a590b
16	Hexadecimal	fa1cdb
20	Vigesimal	528i97
36	Base36	9rbob

Cryptographic Hash Functions

md5	7b5372ae93e247c19103b196c0ff255d
sha1	f7a10339575ef5831f236d4d34284f344df14fc9
sha256	753be680106c008083aca64ea3f72888a034b845b146f2e58d2d29c40eac1f15
sha512	f6d0686037c994ea5e71c6a723a1e14e609f4b7afb7bd12010ee32b761ba58c27c2366d01dbdeacc8a2d3a011ad0d1545a94577df6cef28a12d10839b574231f
ripemd-160	b4cc36c3ffa57cdca99ab3c0d088c18ea8419af6

16391387 as geometric shapes

Circle

Radius = n

Diameter	32782774
Circumference	102990121.96269
Area	8.4407547313386E+14

Sphere

Radius = n

Volume	1.8447423649794E+22
Surface area	3.3763018925354E+15
Circumference	102990121.96269

Square

Length = n

Perimeter	65565548
Area	268677567783769
Diagonal	23180921.801506

Cube

Length = n

Surface area	1612065406702614
Volume	4.4039979917625E+21
Space diagonal	28390715.090524

Equilateral Triangle

Length = n

Perimeter	49174161
Area	1.1634079956388E+14
Altitude	14195357.545262

Triangular Pyramid

Length = n

Surface area	1.1634079956388E+14
Volume	5.1901614071787E+20
Height	7726973.9338353