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

21081315 (number)

21081315 is an odd 8-digits composite number following 21081314 and preceding 21081316. In scientific notation, it is written as 2.1081315 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 11243360 positive integers (up to 21081315) that are relatively prime to 21081315.

Interesting facts

21081315 has 8 divisors, whose sum is 33730128
The reverse of 21081315 is 51318012
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3

Name

Name	twenty-one million eighty-one thousand three hundred fifteen

Notation

Scientific notation	2.1081315 × 10^7
Engineering notation	2.1081315 × 10^6

Prime Factorization of 21081315

Prime Factorization 3 × 5 × 1405421

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21081315	Product of the distinct prime numbers

The prime factorization of 21081315 is 3 × 5 × 1405421. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 6, 96, 9, 244, 732, 1787, 5555, 87662, 13848, 647782, 944384, 1992121, 7972793, 42082542, 72907663, 808257346, 757878424, 801614046, 3943597627

Basic calculations (n = 21081315)

Multiplication

n×y

n×2	42162630
n×3	63243945
n×4	84325260
n×5	105406575

Division

n÷y

n÷2	10540657.5
n÷3	7027105
n÷3	5270328.75
n÷5	4216263

Exponentiation

n^y

n²	444421842129225
n³	9.3689968468065E+21
n⁴	1.9751077376153E+29
n⁵	4.1637868375606E+36

Nth Root

^y√n

²√n	4591.4393168156
³√n	276.24805728792
⁴√n	67.760160247859
⁵√n	29.159464192219

Divisors of 21081315

1, 3, 5, 15, 1405421, 4216263, 7027105, 21081315

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	-21081314	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 21081315 can be divided by 8 positive divisors. The sum of these divisors (counting 21081315) is 1, the average is 0.125.

Base conversion 21081315

Base	System	Value
2	Binary	1010000011010110011100011
3	Ternary	1110200001010110
4	Quaternary	1100122303203
5	Quinary	20344100230
6	Senary	2031502403
8	Octal	120326343
10	Decimal	21081315
12	Duodecimal	7087a03
16	Hexadecimal	141ace3
20	Vigesimal	6bf35f
36	Base36	cjug3

Cryptographic Hash Functions

md5	50455635768fbe8b953a7c9c2a1d674b
sha1	d7e270f5dcaf4c4b5a5b4d970e01c135026af838
sha256	aabe85c446bdf7e022f2976a8a5f43dbe0f4922058fc30a8b5f62bc16d0b3e76
sha512	8408f1e74d3394468206805c34230d8d18d4ab4b84a4bf6256b2f52d5bb3be278dcb05a57aa1443ef6db3139eb902ba05d0b178397b674356958a16a290b84a0
ripemd-160	35d29ea1d50c898df15de45c980b5824a9589efb

21081315 as geometric shapes

Circle

Radius = n

Diameter	42162630
Circumference	132457808.66402
Area	1.396192394328E+15

Sphere

Radius = n

Volume	3.9244762220577E+22
Surface area	5.5847695773121E+15
Circumference	132457808.66402

Square

Length = n

Perimeter	84325260
Area	444421842129225
Diagonal	29813481.585659

Cube

Length = n

Surface area	2666531052775350
Volume	9.3689968468065E+21
Space diagonal	36513908.670364

Equilateral Triangle

Length = n

Perimeter	63243945
Area	1.9244030264029E+14
Altitude	18256954.335182

Triangular Pyramid

Length = n

Surface area	1.9244030264029E+14
Volume	1.1041468672154E+21
Height	9937827.1952198