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

21000247 (number)

21000247 is an odd 8-digits composite number following 21000246 and preceding 21000248. In scientific notation, it is written as 2.1000247 × 10^7. The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors. There are 20988736 positive integers (up to 21000247) that are relatively prime to 21000247.

Interesting facts

21000247 has 4 divisors, whose sum is 21011760
The reverse of 21000247 is 74200012
Previous prime number is 2273

Basic properties

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

Name

Name	twenty-one million two hundred forty-seven

Notation

Scientific notation	2.1000247 × 10^7
Engineering notation	2.1000247 × 10^6

Prime Factorization of 21000247

Prime Factorization 2273 × 9239

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21000247	Product of the distinct prime numbers

The prime factorization of 21000247 is 2273 × 9239. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 5, 50, 72, 2, 687, 8659, 2088, 90822, 19872, 933656, 834108, 3606926, 6823515, 96200955, 64327546, 77932169, 735602835, 311362828, 6216678663

Basic calculations (n = 21000247)

Multiplication

n×y

n×2	42000494
n×3	63000741
n×4	84000988
n×5	105001235

Division

n÷y

n÷2	10500123.5
n÷3	7000082.3333333
n÷3	5250061.75
n÷5	4200049.4

Exponentiation

n^y

n²	441010374061009
n³	9.2613267848436E+21
n⁴	1.9449015002943E+29
n⁵	4.0843411896851E+36

Nth Root

^y√n

²√n	4582.602644786
³√n	275.89349930732
⁴√n	67.694923330971
⁵√n	29.137003126609

Divisors of 21000247

1, 2273, 9239, 21000247

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21000246	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21000247 can be divided by 4 positive divisors. The sum of these divisors (counting 21000247) is 1, the average is 0.25.

Base conversion 21000247

Base	System	Value
2	Binary	1010000000111000000110111
3	Ternary	1110111220220221
4	Quaternary	1100013000313
5	Quinary	20334001442
6	Senary	2030035211
8	Octal	120070067
10	Decimal	21000247
12	Duodecimal	7048b07
16	Hexadecimal	1407037
20	Vigesimal	6b50c7
36	Base36	ci3w7

Cryptographic Hash Functions

md5	0e5111e127cddfa22cb9e7fb4f801bd5
sha1	c8bb04f059248dff94988b89c17a1198cdb185a6
sha256	1fb9286d47503d6ce1231859f6fa30767d0fce3de20fdd4a171bdb37f14b93a6
sha512	f5c75326bdc8d61d80b5ec5378b41c0d054369ce6d476e48b654e51834332a987e84ebb35d209c6077b8b434334e2ffc63bab1e5da32cc8386ca52c68d4d6cc9
ripemd-160	ca70bbc48a341010f007197712485e883af288f5

21000247 as geometric shapes

Circle

Radius = n

Diameter	42000494
Circumference	131948443.39754
Area	1.385474951307E+15

Sphere

Radius = n

Volume	3.8793754919679E+22
Surface area	5.5418998052278E+15
Circumference	131948443.39754

Square

Length = n

Perimeter	84000988
Area	441010374061009
Diagonal	29698834.120585

Cube

Length = n

Surface area	2646062244366054
Volume	9.2613267848436E+21
Space diagonal	36373494.775496

Equilateral Triangle

Length = n

Perimeter	63000741
Area	1.9096309363466E+14
Altitude	18186747.387748

Triangular Pyramid

Length = n

Surface area	1.9096309363466E+14
Volume	1.0914578287246E+21
Height	9899611.3735283