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

21000245 (number)

21000245 is an odd 8-digits composite number following 21000244 and preceding 21000246. In scientific notation, it is written as 2.1000245 × 10^7. The sum of its digits is 14. It has a total of 4 prime factors and 16 positive divisors. There are 14224704 positive integers (up to 21000245) that are relatively prime to 21000245.

Interesting facts

21000245 has 16 divisors, whose sum is 29151360
The reverse of 21000245 is 54200012
Previous prime number is 83

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 14
Digital Root 5

Name

Name	twenty-one million two hundred forty-five

Notation

Scientific notation	2.1000245 × 10^7
Engineering notation	2.1000245 × 10^6

Prime Factorization of 21000245

Prime Factorization 5 × 7 × 83 × 7229

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	21000245	Product of the distinct prime numbers

The prime factorization of 21000245 is 5 × 7 × 83 × 7229. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 1, 31, 71, 309, 365, 1006, 1300, 39099, 54943, 126970, 236267, 8621925, 4332280, 62173669, 62290362, 129575305, 708936238, 3188468578, 1886449917

Basic calculations (n = 21000245)

Multiplication

n×y

n×2	42000490
n×3	63000735
n×4	84000980
n×5	105001225

Division

n÷y

n÷2	10500122.5
n÷3	7000081.6666667
n÷3	5250061.25
n÷5	4200049

Exponentiation

n^y

n²	441010290060025
n³	9.2613241387816E+21
n⁴	1.9449007593883E+29
n⁵	4.084339244784E+36

Nth Root

^y√n

²√n	4582.6024265694
³√n	275.8934905489
⁴√n	67.694921719206
⁵√n	29.137002571625

Divisors of 21000245

1, 5, 7, 35, 83, 415, 581, 2905, 7229, 36145, 50603, 253015, 600007, 3000035, 4200049, 21000245

16 divisors

τ	Total Divisors	16	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21000244	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.0625	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	16	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21000245 can be divided by 16 positive divisors. The sum of these divisors (counting 21000245) is 1, the average is 0.0625.

Base conversion 21000245

Base	System	Value
2	Binary	1010000000111000000110101
3	Ternary	1110111220220212
4	Quaternary	1100013000311
5	Quinary	20334001440
6	Senary	2030035205
8	Octal	120070065
10	Decimal	21000245
12	Duodecimal	7048b05
16	Hexadecimal	1407035
20	Vigesimal	6b50c5
36	Base36	ci3w5

Cryptographic Hash Functions

md5	f36ad8066c601d38b045c9291019598b
sha1	21f2f8ba8449283f92207093395248374bf23727
sha256	6bf512e0c611872b8bfc03849c974a03b9d1e92d5eb17d54ae95192720e6e49c
sha512	2c61e86c11544181d75956d662c5757de91783c2f9ca255b233abdf58e86d09fbabcb57fdd3816504816fb6f2bb4efb8d757d7d3f51e970969171c28f790b9d3
ripemd-160	5d08b86726fd285c506f95b8bad0ecfb836a2f76

21000245 as geometric shapes

Circle

Radius = n

Diameter	42000490
Circumference	131948430.83117
Area	1.3854746874101E+15

Sphere

Radius = n

Volume	3.879374383588E+22
Surface area	5.5418987496403E+15
Circumference	131948430.83117

Square

Length = n

Perimeter	84000980
Area	441010290060025
Diagonal	29698831.292158

Cube

Length = n

Surface area	2646061740360150
Volume	9.2613241387816E+21
Space diagonal	36373491.311394

Equilateral Triangle

Length = n

Perimeter	63000735
Area	1.9096305726116E+14
Altitude	18186745.655697

Triangular Pyramid

Length = n

Surface area	1.9096305726116E+14
Volume	1.0914575168832E+21
Height	9899610.4307193