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

21081013 (number)

21081013 is an odd 8-digits composite number following 21081012 and preceding 21081014. In scientific notation, it is written as 2.1081013 × 10^7. The sum of its digits is 16. It has a total of 3 prime factors and 8 positive divisors. There are 19696608 positive integers (up to 21081013) that are relatively prime to 21081013.

Interesting facts

21081013 has 8 divisors, whose sum is 22496000
The reverse of 21081013 is 31018012
Previous prime number is 73

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 16
Digital Root 7

Name

Name	twenty-one million eighty-one thousand thirteen

Notation

Scientific notation	2.1081013 × 10^7
Engineering notation	2.1081013 × 10^6

Prime Factorization of 21081013

Prime Factorization 19 × 73 × 15199

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21081013	Product of the distinct prime numbers

The prime factorization of 21081013 is 19 × 73 × 15199. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 9, 37, 6, 563, 61, 1846, 3582, 34061, 84930, 859126, 109606, 5531686, 6648507, 47777537, 84557623, 545686344, 37279202, 4580984001, 2862344516

Basic calculations (n = 21081013)

Multiplication

n×y

n×2	42162026
n×3	63243039
n×4	84324052
n×5	105405065

Division

n÷y

n÷2	10540506.5
n÷3	7027004.3333333
n÷3	5270253.25
n÷5	4216202.6

Exponentiation

n^y

n²	444409109106169
n³	9.3685942063856E+21
n⁴	1.9749945625654E+29
n⁵	4.163488604837E+36

Nth Root

^y√n

²√n	4591.406429407
³√n	276.24673815276
⁴√n	67.759917572316
⁵√n	29.159380647064

Divisors of 21081013

1, 19, 73, 1387, 15199, 288781, 1109527, 21081013

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	-21081012	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 21081013 can be divided by 8 positive divisors. The sum of these divisors (counting 21081013) is 1, the average is 0.125.

Base conversion 21081013

Base	System	Value
2	Binary	1010000011010101110110101
3	Ternary	1110200000201021
4	Quaternary	1100122232311
5	Quinary	20344043023
6	Senary	2031501141
8	Octal	120325665
10	Decimal	21081013
12	Duodecimal	70877b1
16	Hexadecimal	141abb5
20	Vigesimal	6bf2ad
36	Base36	cju7p

Cryptographic Hash Functions

md5	d4cc3001ac7495aab9ab37efc55b4224
sha1	6c24ea25cfeecb16f5f7650252afa5056fda18a8
sha256	455a38765f4361e27f881da104094976e4e2c6df671e414a75e1a6f867bcada4
sha512	d98ebbbfa6ea2a31b64562d6a690015fb170ae6ed8de974eb05b174b89f075a62b5207d74fe1e2f05d87ae43bcd172d2fdddc5bb9fe61d597f69ce6d30389371
ripemd-160	3bed58b5234e2ea64286eb152956cc193851c834

21081013 as geometric shapes

Circle

Radius = n

Diameter	42162026
Circumference	132455911.14206
Area	1.3961523923563E+15

Sphere

Radius = n

Volume	3.9243075644326E+22
Surface area	5.5846095694253E+15
Circumference	132455911.14206

Square

Length = n

Perimeter	84324052
Area	444409109106169
Diagonal	29813054.493164

Cube

Length = n

Surface area	2666454654637014
Volume	9.3685942063856E+21
Space diagonal	36513385.59102

Equilateral Triangle

Length = n

Perimeter	63243039
Area	1.9243478907958E+14
Altitude	18256692.79551

Triangular Pyramid

Length = n

Surface area	1.9243478907958E+14
Volume	1.1040994155867E+21
Height	9937684.8310545