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

221387 (number)

221387 is an odd 6-digits composite number following 221386 and preceding 221388. In scientific notation, it is written as 2.21387 × 10^5. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 220296 positive integers (up to 221387) that are relatively prime to 221387.

Interesting facts

221387 has 4 divisors, whose sum is 222480
The reverse of 221387 is 783122
Previous prime number is 823

Basic properties

Is Prime? no
Number parity odd
Number length 6
Sum of Digits 23
Digital Root 5

Name

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

Notation

Scientific notation	2.21387 × 10^5
Engineering notation	2.21387 × 10^3

Prime Factorization of 221387

Prime Factorization 823 × 269

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	221387	Product of the distinct prime numbers

The prime factorization of 221387 is 823 × 269. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 7, 73, 84, 837, 822, 9539, 4277, 98859, 74189, 249966, 31390, 7290234, 7714051, 94323078, 12594902, 637115627, 366100660, 6969659920, 3006081982

Basic calculations (n = 221387)

Multiplication

n×y

n×2	442774
n×3	664161
n×4	885548
n×5	1106935

Division

n÷y

n÷2	110693.5
n÷3	73795.666666667
n÷3	55346.75
n÷5	44277.4

Exponentiation

n^y

n²	49012203769
n³	10850664755807603
n⁴	2.402196118294E+21
n⁵	5.3181499204075E+26

Nth Root

^y√n

²√n	470.51779987584
³√n	60.494706182519
⁴√n	21.691422264938
⁵√n	11.722774826381

Divisors of 221387

1, 269, 823, 221387

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	-221386	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 221387 can be divided by 4 positive divisors. The sum of these divisors (counting 221387) is 1, the average is 0.25.

Base conversion 221387

Base	System	Value
2	Binary	110110000011001011
3	Ternary	102020200112
4	Quaternary	312003023
5	Quinary	24041022
6	Senary	4424535
8	Octal	660313
10	Decimal	221387
12	Duodecimal	a814b
16	Hexadecimal	360cb
20	Vigesimal	17d97
36	Base36	4qtn

Cryptographic Hash Functions

md5	e8d66377cbe55f8399d31a29545a0379
sha1	0070159e7488cdecd2d74a9e6dac8c00816ea05d
sha256	ea80eee936d278c670e4c80854363fecddbbf67072406238f8446a556bd32ae3
sha512	44a7d9c20605bf25aeb8ffd64316bc506bd8fdedd0a2bd39a67bf647a8befb8895c6a19b0ab14cb4005fdef3d85e9d0b0d8b598d9dd878a54ec456f808578a52
ripemd-160	bacfd8c682066e6f4cffcb02a41af239d26c72b7

221387 as geometric shapes

Circle

Radius = n

Diameter	442774
Circumference	1391015.5456006
Area	153976379296.94

Sphere

Radius = n

Volume	4.5451158244548E+16
Surface area	615905517187.75
Circumference	1391015.5456006

Square

Length = n

Perimeter	885548
Area	49012203769
Diagonal	313088.49793309

Cube

Length = n

Surface area	294073222614
Volume	10850664755807603
Space diagonal	383453.53213525

Equilateral Triangle

Length = n

Perimeter	664161
Area	21222906779.707
Altitude	191726.76606763

Triangular Pyramid

Length = n

Surface area	21222906779.707
Volume	1.2787631048689E+15
Height	104362.83264436