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

19987109 (number)

19987109 is an odd 8-digits prime number following 19987108 and preceding 19987110. In scientific notation, it is written as 1.9987109 × 10^7. The sum of its digits is 44. It has a total of 1 prime factors and 2 positive divisors. There are 19987108 positive integers (up to 19987109) that are relatively prime to 19987109.

Interesting facts

19987109 has 2 divisors, whose sum is 19987110
The reverse of 19987109 is 90178991
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8

Name

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

Notation

Scientific notation	1.9987109 × 10^7
Engineering notation	1.9987109 × 10^6

Prime Factorization of 19987109

Prime Factorization 19987109

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	19987109	Product of the distinct prime numbers

The prime factorization of 19987109 is 19987109. Since it has a total of 1 prime factors.

Most popular turbo-numbers

1, 2, 16, 21, 749, 818, 1322, 6736, 22792, 79088, 27792, 225992, 4852023, 4995189, 43729587, 98698520, 665811471, 244022133, 8931704391, 4472479720

Basic calculations (n = 19987109)

Multiplication

n×y

n×2	39974218
n×3	59961327
n×4	79948436
n×5	99935545

Division

n÷y

n÷2	9993554.5
n÷3	6662369.6666667
n÷3	4996777.25
n÷5	3997421.8

Exponentiation

n^y

n²	399484526177881
n³	7.9845407685307E+21
n⁴	1.5958788665557E+29
n⁵	3.1897004856644E+36

Nth Root

^y√n

²√n	4470.6944650692
³√n	271.38342986262
⁴√n	66.863251977967
⁵√n	28.850277589897

Divisors of 19987109

1, 19987109

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	19987110	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	9993555	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4470.6945769086	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999998999355	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19987109 can be divided by 2 positive divisors. The sum of these divisors (counting 19987109) is 19987110, the average is 9993555.

Base conversion 19987109

Base	System	Value
2	Binary	1001100001111101010100101
3	Ternary	1101121110011022
4	Quaternary	1030033222211
5	Quinary	20104041414
6	Senary	1552220525
8	Octal	114175245
10	Decimal	19987109
12	Duodecimal	683a745
16	Hexadecimal	130faa5
20	Vigesimal	64i7f9
36	Base36	bwe5h

Cryptographic Hash Functions

md5	fa90bcfda5ed513e8954ba05199f83c6
sha1	51fd0dc901f75b728093f2a8013d8371c26f3019
sha256	f33ba00f4c3f2b0931e60823d8247220028b67fccf17d0ddcea11409b4c7540f
sha512	41154267fe28e925cfb341a9c07db3cf75e9bb5b9a814239c72d97a4b047b55bf1ced1eef8d9a12042f61f1180925020b62400c404ed99846ba9a59a1149f511
ripemd-160	2ab675130565d03620dd40d29203f9c5243a7975

19987109 as geometric shapes

Circle

Radius = n

Diameter	39974218
Circumference	125582709.6018
Area	1.2550176526632E+15

Sphere

Radius = n

Volume	3.3445566160939E+22
Surface area	5.0200706106529E+15
Circumference	125582709.6018

Square

Length = n

Perimeter	79948436
Area	399484526177881
Diagonal	28266040.620429

Cube

Length = n

Surface area	2396907157067286
Volume	7.9845407685307E+21
Space diagonal	34618688.284417

Equilateral Triangle

Length = n

Perimeter	59961327
Area	1.7298187404442E+14
Altitude	17309344.142209

Triangular Pyramid

Length = n

Surface area	1.7298187404442E+14
Volume	9.4098715368141E+20
Height	9422013.5401431