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

21253387 (number)

21253387 is an odd 8-digits composite number following 21253386 and preceding 21253388. In scientific notation, it is written as 2.1253387 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 21242736 positive integers (up to 21253387) that are relatively prime to 21253387.

Interesting facts

21253387 has 4 divisors, whose sum is 21264040
The reverse of 21253387 is 78335212
Previous prime number is 7993

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	twenty-one million two hundred fifty-three thousand three hundred eighty-seven

Notation

Scientific notation	2.1253387 × 10^7
Engineering notation	2.1253387 × 10^6

Prime Factorization of 21253387

Prime Factorization 7993 × 2659

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21253387	Product of the distinct prime numbers

The prime factorization of 21253387 is 7993 × 2659. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 5, 96, 84, 545, 875, 3919, 1371, 36146, 88895, 252360, 482477, 7844576, 4650796, 28794229, 68878518, 500326589, 534856636, 2138798799, 455451448

Basic calculations (n = 21253387)

Multiplication

n×y

n×2	42506774
n×3	63760161
n×4	85013548
n×5	106266935

Division

n÷y

n÷2	10626693.5
n÷3	7084462.3333333
n÷3	5313346.75
n÷5	4250677.4

Exponentiation

n^y

n²	451706458971769
n³	9.6002921829266E+21
n⁴	2.0403872507681E+29
n⁵	4.3365139870441E+36

Nth Root

^y√n

²√n	4610.1395857392
³√n	276.99762799517
⁴√n	67.898008702312
⁵√n	29.206911187544

Divisors of 21253387

1, 2659, 7993, 21253387

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	-21253386	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 21253387 can be divided by 4 positive divisors. The sum of these divisors (counting 21253387) is 1, the average is 0.25.

Base conversion 21253387

Base	System	Value
2	Binary	1010001000100110100001011
3	Ternary	1110222210011111
4	Quaternary	1101010310023
5	Quinary	20420102022
6	Senary	2035311151
8	Octal	121046413
10	Decimal	21253387
12	Duodecimal	714b4b7
16	Hexadecimal	1444d0b
20	Vigesimal	6cgd97
36	Base36	cnj7v

Cryptographic Hash Functions

md5	f9667cdc535d923dca6a9867928b2898
sha1	d57bca3faef5ae31c7ed323aecb0dca48f0847d3
sha256	eeb81a3b4d676bb12b9fcef366606e037939b73c935213752bc8cc362969ab54
sha512	60c800d7b093c16572b95a5dd4b54b7cf43f864c64917264c70441da7aa4f2cf30a0f05afaea6eae68bdf24f6f271b9b8cff3c50473a213171370161c820690f
ripemd-160	cc67f8693fdb4f5d161ef958a32b5cdd4666e479

21253387 as geometric shapes

Circle

Radius = n

Diameter	42506774
Circumference	133538968.9262
Area	1.4190776930848E+15

Sphere

Radius = n

Volume	4.021360985893E+22
Surface area	5.6763107723391E+15
Circumference	133538968.9262

Square

Length = n

Perimeter	85013548
Area	451706458971769
Diagonal	30056828.141764

Cube

Length = n

Surface area	2710238753830614
Volume	9.6002921829266E+21
Space diagonal	36811946.116924

Equilateral Triangle

Length = n

Perimeter	63760161
Area	1.9559463426153E+14
Altitude	18405973.058462

Triangular Pyramid

Length = n

Surface area	1.9559463426153E+14
Volume	1.1314052839866E+21
Height	10018942.713921