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

19987461 (number)

19987461 is an odd 8-digits composite number following 19987460 and preceding 19987462. In scientific notation, it is written as 1.9987461 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 11561472 positive integers (up to 19987461) that are relatively prime to 19987461.

Interesting facts

19987461 has 16 divisors, whose sum is 23015664
The reverse of 19987461 is 16478991
Previous prime number is 13

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9

Name

Name	nineteen million nine hundred eighty-seven thousand four hundred sixty-one

Notation

Scientific notation	1.9987461 × 10^7
Engineering notation	1.9987461 × 10^6

Prime Factorization of 19987461

Prime Factorization 117 × 17 × 13 × 773

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	19987461	Product of the distinct prime numbers

The prime factorization of 19987461 is 117 × 17 × 13 × 773. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 1, 54, 86, 550, 684, 5192, 4024, 69742, 81753, 710867, 550936, 76910, 8698719, 94091830, 60834242, 711296591, 26576074, 7201000531, 4179450522

Basic calculations (n = 19987461)

Multiplication

n×y

n×2	39974922
n×3	59962383
n×4	79949844
n×5	99937305

Division

n÷y

n÷2	9993730.5
n÷3	6662487
n÷3	4996865.25
n÷5	3997492.2

Exponentiation

n^y

n²	399498597226521
n³	7.9849626316198E+21
n⁴	1.5959912918596E+29
n⁵	3.1899813702383E+36

Nth Root

^y√n

²√n	4470.7338323814
³√n	271.38502299625
⁴√n	66.86354636408
⁵√n	28.850379207656

Divisors of 19987461

1, 13, 17, 117, 221, 773, 1521, 1989, 10049, 13141, 25857, 90441, 170833, 1175733, 1537497, 19987461

16 divisors

τ	Total Divisors	16	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-19987460	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.0625	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	16	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19987461 can be divided by 16 positive divisors. The sum of these divisors (counting 19987461) is 1, the average is 0.0625.

Base conversion 19987461

Base	System	Value
2	Binary	1001100001111110000000101
3	Ternary	1101121110122100
4	Quaternary	1030033300011
5	Quinary	20104044321
6	Senary	1552222313
8	Octal	114176005
10	Decimal	19987461
12	Duodecimal	683a999
16	Hexadecimal	130fc05
20	Vigesimal	64i8d1
36	Base36	bwef9

Cryptographic Hash Functions

md5	614286cd043bc9566f2161843fb86588
sha1	88978d7cf25d393214c0280efbd81993772ed6bc
sha256	d8740671fa1955cf2b4c38191e0d15ec81eaf2c8ae93812414af1cbcf53dbe60
sha512	1bfd1ccd847cc30914bddcdb264145caf345c7d5ee3638f02e1217557eea9d6e8d1a38d03006ece4eafc1c9f0d477c8891d8fb27ea6fcad4ede5a9d2cc285ab8
ripemd-160	9f4a8828e9a0eb55756bf9a25f8496b540405854

19987461 as geometric shapes

Circle

Radius = n

Diameter	39974922
Circumference	125584921.28302
Area	1.2550618581663E+15

Sphere

Radius = n

Volume	3.3447333256914E+22
Surface area	5.0202474326651E+15
Circumference	125584921.28302

Square

Length = n

Perimeter	79949844
Area	399498597226521
Diagonal	28266538.423603

Cube

Length = n

Surface area	2396991583359126
Volume	7.9849626316198E+21
Space diagonal	34619297.966301

Equilateral Triangle

Length = n

Perimeter	59962383
Area	1.7298796698721E+14
Altitude	17309648.983151

Triangular Pyramid

Length = n

Surface area	1.7298796698721E+14
Volume	9.4103687072326E+20
Height	9422179.4745344