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

21081738 (number)

21081738 is an even 8-digits composite number following 21081737 and preceding 21081739. In scientific notation, it is written as 2.1081738 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 7027244 positive integers (up to 21081738) that are relatively prime to 21081738.

Interesting facts

21081738 has 8 divisors, whose sum is 42163488
The reverse of 21081738 is 83718012
Previous prime number is 3

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3

Name

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

Notation

Scientific notation	2.1081738 × 10^7
Engineering notation	2.1081738 × 10^6

Prime Factorization of 21081738

Prime Factorization 2 × 3 × 3513623

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21081738	Product of the distinct prime numbers

The prime factorization of 21081738 is 2 × 3 × 3513623. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 1, 14, 69, 365, 419, 9140, 1665, 30860, 96172, 491775, 703751, 6105021, 6065138, 92003238, 37465731, 978594784, 779564452, 5318247500, 2069387173

Basic calculations (n = 21081738)

Multiplication

n×y

n×2	42163476
n×3	63245214
n×4	84326952
n×5	105408690

Division

n÷y

n÷2	10540869
n÷3	7027246
n÷3	5270434.5
n÷5	4216347.6

Exponentiation

n^y

n²	444439677100644
n³	9.3695608294404E+21
n⁴	1.9752662658132E+29
n⁵	4.1642045896113E+36

Nth Root

^y√n

²√n	4591.4853805713
³√n	276.24990492957
⁴√n	67.760500149949
⁵√n	29.159581209154

Divisors of 21081738

1, 2, 3, 6, 3513623, 7027246, 10540869, 21081738

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	-21081737	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 21081738 can be divided by 8 positive divisors. The sum of these divisors (counting 21081738) is 1, the average is 0.125.

Base conversion 21081738

Base	System	Value
2	Binary	1010000011010111010001010
3	Ternary	1110200001201010
4	Quaternary	1100122322022
5	Quinary	20344103423
6	Senary	2031504350
8	Octal	120327212
10	Decimal	21081738
12	Duodecimal	70880b6
16	Hexadecimal	141ae8a
20	Vigesimal	6bf46i
36	Base36	cjuru

Cryptographic Hash Functions

md5	0be327adec5f292cee0565284651b8d0
sha1	060caf5c9f3126839bf2350bbcfc6eb481c0da75
sha256	f385f4e33eda8c69384df1d610f86be268faef0ad1e1434f1e7ed5fbf2173d5b
sha512	4ce719c75a63a7fe2cab8f087cfd8e3b8a604866e2b8ea1a376150a76b36d97b7e922db4c33eed6aa8d02f60b0e651888703c4cb271d4e710e3e32b31b4a4f19
ripemd-160	9d2ac32722bde74917ce49875c5ccc21b0b29303

21081738 as geometric shapes

Circle

Radius = n

Diameter	42163476
Circumference	132460466.45141
Area	1.3962484245432E+15

Sphere

Radius = n

Volume	3.924712462551E+22
Surface area	5.5849936981728E+15
Circumference	132460466.45141

Square

Length = n

Perimeter	84326952
Area	444439677100644
Diagonal	29814079.797996

Cube

Length = n

Surface area	2666638062603864
Volume	9.3695608294404E+21
Space diagonal	36514641.327855

Equilateral Triangle

Length = n

Perimeter	63245214
Area	1.9244802540946E+14
Altitude	18257320.663928

Triangular Pyramid

Length = n

Surface area	1.9244802540946E+14
Volume	1.1042133332062E+21
Height	9938026.5993321