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

19987071 (number)

19987071 is an odd 8-digits composite number following 19987070 and preceding 19987072. In scientific notation, it is written as 1.9987071 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 12265344 positive integers (up to 19987071) that are relatively prime to 19987071.

Interesting facts

19987071 has 16 divisors, whose sum is 28779744
The reverse of 19987071 is 17078991
Previous prime number is 677

Basic properties

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

Name

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

Notation

Scientific notation	1.9987071 × 10^7
Engineering notation	1.9987071 × 10^6

Prime Factorization of 19987071

Prime Factorization 3 × 13 × 677 × 757

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	19987071	Product of the distinct prime numbers

The prime factorization of 19987071 is 3 × 13 × 677 × 757. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 9, 92, 30, 560, 84, 2931, 8937, 63834, 93357, 265803, 518814, 6305911, 5421646, 96588366, 56664943, 902942434, 792614536, 3932327168, 7396226111

Basic calculations (n = 19987071)

Multiplication

n×y

n×2	39974142
n×3	59961213
n×4	79948284
n×5	99935355

Division

n÷y

n÷2	9993535.5
n÷3	6662357
n÷3	4996767.75
n÷5	3997414.2

Exponentiation

n^y

n²	399483007159041
n³	7.9844952273813E+21
n⁴	1.5958667300883E+29
n⁵	3.1896701640813E+36

Nth Root

^y√n

²√n	4470.6902151681
³√n	271.38325787548
⁴√n	66.863220197416
⁵√n	28.850266619712

Divisors of 19987071

1, 3, 13, 39, 677, 757, 2031, 2271, 8801, 9841, 26403, 29523, 512489, 1537467, 6662357, 19987071

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	-19987070	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 19987071 can be divided by 16 positive divisors. The sum of these divisors (counting 19987071) is 1, the average is 0.0625.

Base conversion 19987071

Base	System	Value
2	Binary	1001100001111101001111111
3	Ternary	1101121110002220
4	Quaternary	1030033221333
5	Quinary	20104041241
6	Senary	1552220423
8	Octal	114175177
10	Decimal	19987071
12	Duodecimal	683a713
16	Hexadecimal	130fa7f
20	Vigesimal	64i7db
36	Base36	bwe4f

Cryptographic Hash Functions

md5	9cb7571c468b85b39f2e33bf03eeb0e3
sha1	d3ea69901f942e58412c6e91e5e6b2b992d37e7e
sha256	5d011ff8f097edaf991fd17eddf9be1bfd7f6dcbe0734749847d025c1432a5fa
sha512	b28ecba68f846796ec84e1b8120cf32684d127959b02734fb1832272bc35afa256d74dd9587770f9d9387fdd2aead6c783eef14ba98522913bb2da2aaddd289f
ripemd-160	cf00fdd87254b71ef5212bea0865e6763620301f

19987071 as geometric shapes

Circle

Radius = n

Diameter	39974142
Circumference	125582470.84076
Area	1.2550128805248E+15

Sphere

Radius = n

Volume	3.3445375398618E+22
Surface area	5.0200515220992E+15
Circumference	125582470.84076

Square

Length = n

Perimeter	79948284
Area	399483007159041
Diagonal	28265986.880314

Cube

Length = n

Surface area	2396898042954246
Volume	7.9844952273813E+21
Space diagonal	34618622.466486

Equilateral Triangle

Length = n

Perimeter	59961213
Area	1.7298121628997E+14
Altitude	17309311.233243

Triangular Pyramid

Length = n

Surface area	1.7298121628997E+14
Volume	9.4098178660549E+20
Height	9421995.6267713