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

21000249 (number)

21000249 is an odd 8-digits composite number following 21000248 and preceding 21000250. In scientific notation, it is written as 2.1000249 × 10^7. The sum of its digits is 18. It has a total of 4 prime factors and 8 positive divisors. There are 14000148 positive integers (up to 21000249) that are relatively prime to 21000249.

Interesting facts

21000249 has 8 divisors, whose sum is 31111520
The reverse of 21000249 is 94200012
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9

Name

Name	twenty-one million two hundred forty-nine

Notation

Scientific notation	2.1000249 × 10^7
Engineering notation	2.1000249 × 10^6

Prime Factorization of 21000249

Prime Factorization 3 × 3 × 3 × 777787

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	2333361	Product of the distinct prime numbers

The prime factorization of 21000249 is 3 × 3 × 3 × 777787. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 4, 23, 7, 681, 175, 2458, 1114, 92099, 65440, 63887, 677194, 4364448, 6650506, 87738993, 19321652, 485913539, 493024069, 8625394228, 1631896041

Basic calculations (n = 21000249)

Multiplication

n×y

n×2	42000498
n×3	63000747
n×4	84000996
n×5	105001245

Division

n÷y

n÷2	10500124.5
n÷3	7000083
n÷3	5250062.25
n÷5	4200049.8

Exponentiation

n^y

n²	441010458062001
n³	9.2613294309061E+21
n⁴	1.9449022412006E+29
n⁵	4.084343134587E+36

Nth Root

^y√n

²√n	4582.6028630026
³√n	275.89350806574
⁴√n	67.694924942736
⁵√n	29.137003681593

Divisors of 21000249

1, 3, 9, 27, 777787, 2333361, 7000083, 21000249

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	-21000248	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 21000249 can be divided by 8 positive divisors. The sum of these divisors (counting 21000249) is 1, the average is 0.125.

Base conversion 21000249

Base	System	Value
2	Binary	1010000000111000000111001
3	Ternary	1110111220221000
4	Quaternary	1100013000321
5	Quinary	20334001444
6	Senary	2030035213
8	Octal	120070071
10	Decimal	21000249
12	Duodecimal	7048b09
16	Hexadecimal	1407039
20	Vigesimal	6b50c9
36	Base36	ci3w9

Cryptographic Hash Functions

md5	cc57fafd20c2512c2ac8a6e09c392c87
sha1	ca7fec85f825989bf3c3a276a57a2dde87f5d8bd
sha256	42f461804c3cdc72f71420b598891defc7ea97bb8e006c3a59d1804b1360e60c
sha512	3ab36feaa6873d2a2db0e8e9d8d85661768804755c96eb5538c9518cd3ed2cbcbb1266042f03267b85a7a133ffec1f3d34a0481257ff1a6c209f2577d97f27e2
ripemd-160	7d4b329436bd3247b9732a48d801ef2612539fdb

21000249 as geometric shapes

Circle

Radius = n

Diameter	42000498
Circumference	131948455.96391
Area	1.3854752152039E+15

Sphere

Radius = n

Volume	3.8793766003479E+22
Surface area	5.5419008608154E+15
Circumference	131948455.96391

Square

Length = n

Perimeter	84000996
Area	441010458062001
Diagonal	29698836.949012

Cube

Length = n

Surface area	2646062748372006
Volume	9.2613294309061E+21
Space diagonal	36373498.239598

Equilateral Triangle

Length = n

Perimeter	63000747
Area	1.9096313000815E+14
Altitude	18186749.119799

Triangular Pyramid

Length = n

Surface area	1.9096313000815E+14
Volume	1.091458140566E+21
Height	9899612.3163373