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

21084815 (number)

21084815 is an odd 8-digits composite number following 21084814 and preceding 21084816. In scientific notation, it is written as 2.1084815 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 16867848 positive integers (up to 21084815) that are relatively prime to 21084815.

Interesting facts

21084815 has 4 divisors, whose sum is 25301784
The reverse of 21084815 is 51848012
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2

Name

Name	twenty-one million eighty-four thousand eight hundred fifteen

Notation

Scientific notation	2.1084815 × 10^7
Engineering notation	2.1084815 × 10^6

Prime Factorization of 21084815

Prime Factorization 5 × 4216963

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21084815	Product of the distinct prime numbers

The prime factorization of 21084815 is 5 × 4216963. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 7, 22, 63, 631, 915, 3748, 7523, 72824, 2703, 987697, 577206, 7310354, 6023141, 35727074, 23416505, 837373841, 779803377, 4147374127, 7976056296

Basic calculations (n = 21084815)

Multiplication

n×y

n×2	42169630
n×3	63254445
n×4	84339260
n×5	105424075

Division

n÷y

n÷2	10542407.5
n÷3	7028271.6666667
n÷3	5271203.75
n÷5	4216963

Exponentiation

n^y

n²	444569423584225
n³	9.37366405093E+21
n⁴	1.9764197238601E+29
n⁵	4.1672444239941E+36

Nth Root

^y√n

²√n	4591.8204450958
³√n	276.26334435924
⁴√n	67.762972522579
⁵√n	29.160432360928

Divisors of 21084815

1, 5, 4216963, 21084815

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21084814	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21084815 can be divided by 4 positive divisors. The sum of these divisors (counting 21084815) is 1, the average is 0.25.

Base conversion 21084815

Base	System	Value
2	Binary	1010000011011101010001111
3	Ternary	1110200012221002
4	Quaternary	1100123222033
5	Quinary	20344203230
6	Senary	2031530515
8	Octal	120335217
10	Decimal	21084815
12	Duodecimal	7089a3b
16	Hexadecimal	141ba8f
20	Vigesimal	6bfc0f
36	Base36	cjx5b

Cryptographic Hash Functions

md5	812506bf5c4190df6d2e7f4471be0a72
sha1	979cbcf9de379e89042c468f5be6f7072452926f
sha256	c43329bd65646a77ac2aaa024d4e2d38561ad86b008bd516dacc806399c5e7d1
sha512	cdf08afc06e55b8ff174de8c457199385fa49dc7e166d443ef3ea5a3a762f0a5416155ef1a7f34074510707f6687de0b552af71004c2c1d31249fc232974f6e1
ripemd-160	6e671d58acb6498ee297504515b1705928ff3d1c

21084815 as geometric shapes

Circle

Radius = n

Diameter	42169630
Circumference	132479799.8126
Area	1.3966560351429E+15

Sphere

Radius = n

Volume	3.9264312159494E+22
Surface area	5.5866241405714E+15
Circumference	132479799.8126

Square

Length = n

Perimeter	84339260
Area	444569423584225
Diagonal	29818431.333128

Cube

Length = n

Surface area	2667416541505350
Volume	9.37366405093E+21
Space diagonal	36519970.84819

Equilateral Triangle

Length = n

Perimeter	63254445
Area	1.9250420728487E+14
Altitude	18259985.424095

Triangular Pyramid

Length = n

Surface area	1.9250420728487E+14
Volume	1.1046969024962E+21
Height	9939477.1110426