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

19987005 (number)

19987005 is an odd 8-digits composite number following 19987004 and preceding 19987006. In scientific notation, it is written as 1.9987005 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 10659728 positive integers (up to 19987005) that are relatively prime to 19987005.

Interesting facts

19987005 has 8 divisors, whose sum is 31979232
The reverse of 19987005 is 50078991
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3

Name

Name	nineteen million nine hundred eighty-seven thousand five

Notation

Scientific notation	1.9987005 × 10^7
Engineering notation	1.9987005 × 10^6

Prime Factorization of 19987005

Prime Factorization 3 × 5 × 1332467

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	19987005	Product of the distinct prime numbers

The prime factorization of 19987005 is 3 × 5 × 1332467. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 2, 41, 42, 546, 522, 5640, 1549, 85417, 38427, 57676, 523129, 9460485, 5967773, 71598136, 12414533, 979592967, 975864121, 5421512397, 7351246402

Basic calculations (n = 19987005)

Multiplication

n×y

n×2	39974010
n×3	59961015
n×4	79948020
n×5	99935025

Division

n÷y

n÷2	9993502.5
n÷3	6662335
n÷3	4996751.25
n÷5	3997401

Exponentiation

n^y

n²	399480368870025
n³	7.984416130007E+21
n⁴	1.5958456511253E+29
n⁵	3.189617500827E+36

Nth Root

^y√n

²√n	4470.6828337515
³√n	271.38295916046
⁴√n	66.863164999508
⁵√n	28.850247566194

Divisors of 19987005

1, 3, 5, 15, 1332467, 3997401, 6662335, 19987005

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	-19987004	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 19987005 can be divided by 8 positive divisors. The sum of these divisors (counting 19987005) is 1, the average is 0.125.

Base conversion 19987005

Base	System	Value
2	Binary	1001100001111101000111101
3	Ternary	1101121110000110
4	Quaternary	1030033220331
5	Quinary	20104041010
6	Senary	1552220233
8	Octal	114175075
10	Decimal	19987005
12	Duodecimal	683a679
16	Hexadecimal	130fa3d
20	Vigesimal	64i7a5
36	Base36	bwe2l

Cryptographic Hash Functions

md5	d9e9784f2569eea54301d98415250959
sha1	52f28bea9509416e7ecd155cbc78c1ee8430be9d
sha256	0ffcdfe8c082a23ba8f1edbc92a5588ab1c63775facb1b08c2774c511d54ca7c
sha512	970a4dcc5d487962f16f440d175696c98387809a447d0880e08b2cf771a8af6b5ff8dcee76accf69a05f31e4305474f907c0002f8f0c5b5c0f4e67e3691da96b
ripemd-160	98911431372e557e25d9441ec973a99dd9a73be6

19987005 as geometric shapes

Circle

Radius = n

Diameter	39974010
Circumference	125582056.15052
Area	1.2550045920954E+15

Sphere

Radius = n

Volume	3.3445044076312E+22
Surface area	5.0200183683816E+15
Circumference	125582056.15052

Square

Length = n

Perimeter	79948020
Area	399480368870025
Diagonal	28265893.542219

Cube

Length = n

Surface area	2396882213220150
Volume	7.984416130007E+21
Space diagonal	34618508.151133

Equilateral Triangle

Length = n

Perimeter	59961015
Area	1.7298007387731E+14
Altitude	17309254.075567

Triangular Pyramid

Length = n

Surface area	1.7298007387731E+14
Volume	9.4097246489054E+20
Height	9421964.514073