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

21029905 (number)

21029905 is an odd 8-digits composite number following 21029904 and preceding 21029906. In scientific notation, it is written as 2.1029905 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 15529728 positive integers (up to 21029905) that are relatively prime to 21029905.

Interesting facts

21029905 has 8 divisors, whose sum is 27177192
The reverse of 21029905 is 50992012
Previous prime number is 13

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1

Name

Name	twenty-one million twenty-nine thousand nine hundred five

Notation

Scientific notation	2.1029905 × 10^7
Engineering notation	2.1029905 × 10^6

Prime Factorization of 21029905

Prime Factorization 5 × 13 × 323537

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21029905	Product of the distinct prime numbers

The prime factorization of 21029905 is 5 × 13 × 323537. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 5, 39, 2, 709, 199, 6952, 8919, 1677, 51373, 744839, 975128, 5720777, 4265214, 48116961, 70140005, 936016561, 290201384, 8579289018, 7968906496

Basic calculations (n = 21029905)

Multiplication

n×y

n×2	42059810
n×3	63089715
n×4	84119620
n×5	105149525

Division

n÷y

n÷2	10514952.5
n÷3	7009968.3333333
n÷3	5257476.25
n÷5	4205981

Exponentiation

n^y

n²	442256904309025
n³	9.3006206832129E+21
n⁴	1.95591169409E+29
n⁵	4.1132637115102E+36

Nth Root

^y√n

²√n	4585.8374371537
³√n	276.02331683568
⁴√n	67.718811545638
⁵√n	29.145228339291

Divisors of 21029905

1, 5, 13, 65, 323537, 1617685, 4205981, 21029905

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	-21029904	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 21029905 can be divided by 8 positive divisors. The sum of these divisors (counting 21029905) is 1, the average is 0.125.

Base conversion 21029905

Base	System	Value
2	Binary	1010000001110010000010001
3	Ternary	1110120102121101
4	Quaternary	1100032100101
5	Quinary	20340424110
6	Senary	2030424401
8	Octal	120162021
10	Decimal	21029905
12	Duodecimal	7062101
16	Hexadecimal	140e411
20	Vigesimal	6b8ef5
36	Base36	ciqs1

Cryptographic Hash Functions

md5	5d47c7e26350ecaebf6f55767c172848
sha1	872546e64990406e931747f270f09a8b706cb7df
sha256	61f47f6ded97eec50e241603993bea242e0efff90e26b5c6ea68eabe8a9bb453
sha512	10183a29edcb5684e050d20d5ce92325d412a55acfb08a2b75289896bbac09ca54eaadbd73417916221dee1c60639026578d5e1a43ed51ee4c1b0410aa02fc17
ripemd-160	cca71d7d68843e60f7d5924b6176eebf64b63b98

21029905 as geometric shapes

Circle

Radius = n

Diameter	42059810
Circumference	132134790.10738
Area	1.3893910415766E+15

Sphere

Radius = n

Volume	3.8958348816276E+22
Surface area	5.5575641663064E+15
Circumference	132134790.10738

Square

Length = n

Perimeter	84119620
Area	442256904309025
Diagonal	29740776.866418

Cube

Length = n

Surface area	2653541425854150
Volume	9.3006206832129E+21
Space diagonal	36424863.938347

Equilateral Triangle

Length = n

Perimeter	63089715
Area	1.9150285706534E+14
Altitude	18212431.969173

Triangular Pyramid

Length = n

Surface area	1.9150285706534E+14
Volume	1.0960886590573E+21
Height	9913592.2888059