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

21000205 (number)

21000205 is an odd 8-digits composite number following 21000204 and preceding 21000206. In scientific notation, it is written as 2.1000205 × 10^7. The sum of its digits is 10. It has a total of 3 prime factors and 8 positive divisors. There are 16220736 positive integers (up to 21000205) that are relatively prime to 21000205.

Interesting facts

21000205 has 8 divisors, whose sum is 26069400
The reverse of 21000205 is 50200012
Previous prime number is 29

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 10
Digital Root 1

Name

Name	twenty-one million two hundred five

Notation

Scientific notation	2.1000205 × 10^7
Engineering notation	2.1000205 × 10^6

Prime Factorization of 21000205

Prime Factorization 5 × 29 × 144829

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21000205	Product of the distinct prime numbers

The prime factorization of 21000205 is 5 × 29 × 144829. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 6, 44, 31, 856, 458, 3352, 1217, 4068, 55832, 468688, 817569, 6460965, 286211, 30526022, 95344553, 795179769, 885860273, 4268174157, 7665940432

Basic calculations (n = 21000205)

Multiplication

n×y

n×2	42000410
n×3	63000615
n×4	84000820
n×5	105001025

Division

n÷y

n÷2	10500102.5
n÷3	7000068.3333333
n÷3	5250051.25
n÷5	4200041

Exponentiation

n^y

n²	441008610042025
n³	9.2612712176476E+21
n⁴	1.944885941312E+29
n⁵	4.084300346917E+36

Nth Root

^y√n

²√n	4582.598062235
³√n	275.89331538036
⁴√n	67.694889483882
⁵√n	29.136991471936

Divisors of 21000205

1, 5, 29, 145, 144829, 724145, 4200041, 21000205

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	-21000204	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 21000205 can be divided by 8 positive divisors. The sum of these divisors (counting 21000205) is 1, the average is 0.125.

Base conversion 21000205

Base	System	Value
2	Binary	1010000000111000000001101
3	Ternary	1110111220212101
4	Quaternary	1100013000031
5	Quinary	20334001310
6	Senary	2030035101
8	Octal	120070015
10	Decimal	21000205
12	Duodecimal	7048a91
16	Hexadecimal	140700d
20	Vigesimal	6b50a5
36	Base36	ci3v1

Cryptographic Hash Functions

md5	8506de0942eccb7bf71a588d0ec58e89
sha1	a3e2edc1ce470ad04bf45da99e9d32bf8af277f1
sha256	0de89e1bd4ec20bd86a8165479c047c172e5d0d759d80fb0811f728f3ab0203d
sha512	275ac29fe9d09675f46718aeda8f4c469c4faf990314092e300a2d038e40a9db37eb980da132698326dc542cf54fca3537a6853b04fa97f44956d90854ebcbf8
ripemd-160	d9e002688efbb477259305417a51aabddf0cba52

21000205 as geometric shapes

Circle

Radius = n

Diameter	42000410
Circumference	131948179.50376
Area	1.3854694094779E+15

Sphere

Radius = n

Volume	3.8793522160352E+22
Surface area	5.5418776379115E+15
Circumference	131948179.50376

Square

Length = n

Perimeter	84000820
Area	441008610042025
Diagonal	29698774.723615

Cube

Length = n

Surface area	2646051660252150
Volume	9.2612712176476E+21
Space diagonal	36373422.029362

Equilateral Triangle

Length = n

Perimeter	63000615
Area	1.9096232979203E+14
Altitude	18186711.014681

Triangular Pyramid

Length = n

Surface area	1.9096232979203E+14
Volume	1.0914512800677E+21
Height	9899591.5745384