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

21087538 (number)

21087538 is an even 8-digits composite number following 21087537 and preceding 21087539. In scientific notation, it is written as 2.1087538 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 10530996 positive integers (up to 21087538) that are relatively prime to 21087538.

Interesting facts

21087538 has 8 divisors, whose sum is 31669632
The reverse of 21087538 is 83578012
Previous prime number is 11887

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7

Name

Name	twenty-one million eighty-seven thousand five hundred thirty-eight

Notation

Scientific notation	2.1087538 × 10^7
Engineering notation	2.1087538 × 10^6

Prime Factorization of 21087538

Prime Factorization 2 × 11887 × 887

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21087538	Product of the distinct prime numbers

The prime factorization of 21087538 is 2 × 11887 × 887. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 4, 62, 3, 468, 381, 2404, 3013, 13983, 9825, 415111, 629690, 9003237, 2414237, 81096402, 82973445, 788247655, 928235098, 8088820165, 8022166147

Basic calculations (n = 21087538)

Multiplication

n×y

n×2	42175076
n×3	63262614
n×4	84350152
n×5	105437690

Division

n÷y

n÷2	10543769
n÷3	7029179.3333333
n÷3	5271884.5
n÷5	4217507.6

Exponentiation

n^y

n²	444684258901444
n³	9.377296207586E+21
n⁴	1.9774409011473E+29
n⁵	4.1699360145697E+36

Nth Root

^y√n

²√n	4592.1169410197
³√n	276.2752365307
⁴√n	67.765160230163
⁵√n	29.161185507264

Divisors of 21087538

1, 2, 887, 1774, 11887, 23774, 10543769, 21087538

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	-21087537	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 21087538 can be divided by 8 positive divisors. The sum of these divisors (counting 21087538) is 1, the average is 0.125.

Base conversion 21087538

Base	System	Value
2	Binary	1010000011100010100110010
3	Ternary	1110200100122221
4	Quaternary	1100130110302
5	Quinary	20344300123
6	Senary	2031551254
8	Octal	120342462
10	Decimal	21087538
12	Duodecimal	708b52a
16	Hexadecimal	141c532
20	Vigesimal	6bfigi
36	Base36	cjz8y

Cryptographic Hash Functions

md5	4be93415a860c857b35eb644310dbd3b
sha1	3c86e26ba2b6ad5c46e6db08bc866e1dfbe1de59
sha256	0a29733fcf672c5364de76ddf1b0f570d20657460e09f1a1460cf522c40958b4
sha512	dbc8970538eb20755014f1c923ba51fdbaf404dd60bd4f363f449b220f56d7787e5aa9c594f375c9a176a583f713fa80f738384c5221605754d5e9452bfbda8e
ripemd-160	66dc885e1c54785ddfd942f8ccae0f3bd82dd245

21087538 as geometric shapes

Circle

Radius = n

Diameter	42175076
Circumference	132496908.92619
Area	1.3970168009318E+15

Sphere

Radius = n

Volume	3.9279526501717E+22
Surface area	5.5880672037272E+15
Circumference	132496908.92619

Square

Length = n

Perimeter	84350152
Area	444684258901444
Diagonal	29822282.236658

Cube

Length = n

Surface area	2668105553408664
Volume	9.377296207586E+21
Space diagonal	36524687.222539

Equilateral Triangle

Length = n

Perimeter	63262614
Area	1.9255393243585E+14
Altitude	18262343.61127

Triangular Pyramid

Length = n

Surface area	1.9255393243585E+14
Volume	1.1051249562632E+21
Height	9940760.7455527