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

19987105 (number)

19987105 is an odd 8-digits composite number following 19987104 and preceding 19987106. In scientific notation, it is written as 1.9987105 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 15750768 positive integers (up to 19987105) that are relatively prime to 19987105.

Interesting facts

19987105 has 8 divisors, whose sum is 24342912
The reverse of 19987105 is 50178991
Previous prime number is 67

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4

Name

Name	nineteen million nine hundred eighty-seven thousand one hundred five

Notation

Scientific notation	1.9987105 × 10^7
Engineering notation	1.9987105 × 10^6

Prime Factorization of 19987105

Prime Factorization 5 × 67 × 59663

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	19987105	Product of the distinct prime numbers

The prime factorization of 19987105 is 5 × 67 × 59663. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 3, 59, 60, 345, 120, 1486, 2773, 55658, 82976, 282412, 789733, 2651072, 5328304, 38887298, 80333354, 343204012, 324068358, 2662609729, 2898834295

Basic calculations (n = 19987105)

Multiplication

n×y

n×2	39974210
n×3	59961315
n×4	79948420
n×5	99935525

Division

n÷y

n÷2	9993552.5
n÷3	6662368.3333333
n÷3	4996776.25
n÷5	3997421

Exponentiation

n^y

n²	399484366281025
n³	7.9845359747173E+21
n⁴	1.5958775890295E+29
n⁵	3.189697293908E+36

Nth Root

^y√n

²√n	4470.6940177113
³√n	271.38341175872
⁴√n	66.863248632648
⁵√n	28.850276435141

Divisors of 19987105

1, 5, 67, 335, 59663, 298315, 3997421, 19987105

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	-19987104	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 19987105 can be divided by 8 positive divisors. The sum of these divisors (counting 19987105) is 1, the average is 0.125.

Base conversion 19987105

Base	System	Value
2	Binary	1001100001111101010100001
3	Ternary	1101121110011011
4	Quaternary	1030033222201
5	Quinary	20104041410
6	Senary	1552220521
8	Octal	114175241
10	Decimal	19987105
12	Duodecimal	683a741
16	Hexadecimal	130faa1
20	Vigesimal	64i7f5
36	Base36	bwe5d

Cryptographic Hash Functions

md5	4aa146f10833f7a30dcf75b9de337ddc
sha1	43150018bd9a905f7be64f542c8cbc0b1103c18f
sha256	da159df11864219f9b0ed3bdae0cd590efbe438ccc3c940aef1b2606319dfabf
sha512	4087216c4e5f2e264f999146e4e44387045857a268929cf0902376d02e228f95dce7405e2586ed738d74042730631f930f2d3fd5a49208fff9823c72c2ce2a8e
ripemd-160	32e445d1d0378820024b0b8dc6a8a81b47c07288

19987105 as geometric shapes

Circle

Radius = n

Diameter	39974210
Circumference	125582684.46906
Area	1.2550171503324E+15

Sphere

Radius = n

Volume	3.344554608066E+22
Surface area	5.0200686013298E+15
Circumference	125582684.46906

Square

Length = n

Perimeter	79948420
Area	399484366281025
Diagonal	28266034.963575

Cube

Length = n

Surface area	2396906197686150
Volume	7.9845359747173E+21
Space diagonal	34618681.356214

Equilateral Triangle

Length = n

Perimeter	59961315
Area	1.7298180480705E+14
Altitude	17309340.678107

Triangular Pyramid

Length = n

Surface area	1.7298180480705E+14
Volume	9.4098658872509E+20
Height	9422011.654525