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

21081005 (number)

21081005 is an odd 8-digits composite number following 21081004 and preceding 21081006. In scientific notation, it is written as 2.1081005 × 10^7. The sum of its digits is 17. It has a total of 3 prime factors and 8 positive divisors. There are 15331600 positive integers (up to 21081005) that are relatively prime to 21081005.

Interesting facts

21081005 has 8 divisors, whose sum is 27597024
The reverse of 21081005 is 50018012
Previous prime number is 11

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 17
Digital Root 8

Name

Name	twenty-one million eighty-one thousand five

Notation

Scientific notation	2.1081005 × 10^7
Engineering notation	2.1081005 × 10^6

Prime Factorization of 21081005

Prime Factorization 5 × 11 × 383291

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21081005	Product of the distinct prime numbers

The prime factorization of 21081005 is 5 × 11 × 383291. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 10, 23, 26, 963, 473, 3706, 2078, 64974, 17955, 772306, 734734, 6712006, 9070009, 96549094, 37568032, 404876798, 713416755, 8043876542, 3088414086

Basic calculations (n = 21081005)

Multiplication

n×y

n×2	42162010
n×3	63243015
n×4	84324020
n×5	105405025

Division

n÷y

n÷2	10540502.5
n÷3	7027001.6666667
n÷3	5270251.25
n÷5	4216201

Exponentiation

n^y

n²	444408771810025
n³	9.368583540571E+21
n⁴	1.9749915646169E+29
n⁵	4.1634807048648E+36

Nth Root

^y√n

²√n	4591.4055582142
³√n	276.24670320861
⁴√n	67.759911143789
⁵√n	29.159378433934

Divisors of 21081005

1, 5, 11, 55, 383291, 1916455, 4216201, 21081005

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	-21081004	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 21081005 can be divided by 8 positive divisors. The sum of these divisors (counting 21081005) is 1, the average is 0.125.

Base conversion 21081005

Base	System	Value
2	Binary	1010000011010101110101101
3	Ternary	1110200000200222
4	Quaternary	1100122232231
5	Quinary	20344043010
6	Senary	2031501125
8	Octal	120325655
10	Decimal	21081005
12	Duodecimal	70877a5
16	Hexadecimal	141abad
20	Vigesimal	6bf2a5
36	Base36	cju7h

Cryptographic Hash Functions

md5	75f175c8d2f456f82e0162d42dbdfd50
sha1	6ff40d6b31562761770ef9cb0c1dde9832ab3f41
sha256	04657cd479f572855a76ba31cf53270059ef3262459242dc597c9c1cfdec86bd
sha512	00dde8ae1304201a78b4e74697b07ee8799a828259c1cf0676d3c15961367e754d6ef009c7b635678fb55b4d130e258fd3803e501ef0cf31eab1de4a824a81fb
ripemd-160	6d771c4eb5b561e0ddad7801addfa121823e516b

21081005 as geometric shapes

Circle

Radius = n

Diameter	42162010
Circumference	132455860.87658
Area	1.3961513327092E+15

Sphere

Radius = n

Volume	3.9243030967467E+22
Surface area	5.5846053308369E+15
Circumference	132455860.87658

Square

Length = n

Perimeter	84324020
Area	444408771810025
Diagonal	29813043.179455

Cube

Length = n

Surface area	2666452630860150
Volume	9.368583540571E+21
Space diagonal	36513371.734614

Equilateral Triangle

Length = n

Perimeter	63243015
Area	1.9243464302606E+14
Altitude	18256685.867307

Triangular Pyramid

Length = n

Surface area	1.9243464302606E+14
Volume	1.1040981586084E+21
Height	9937681.0598183