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

387221 (number)

387221 is an odd 6-digits composite number following 387220 and preceding 387222. In scientific notation, it is written as 3.87221 × 10^5. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 374700 positive integers (up to 387221) that are relatively prime to 387221.

Interesting facts

387221 has 4 divisors, whose sum is 399744
The reverse of 387221 is 122783
Previous prime number is 31

Basic properties

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

Name

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

Notation

Scientific notation	3.87221 × 10^5
Engineering notation	3.87221 × 10^3

Prime Factorization of 387221

Prime Factorization 31 × 12491

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	387221	Product of the distinct prime numbers

The prime factorization of 387221 is 31 × 12491. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 2, 37, 100, 172, 614, 6892, 4271, 26911, 29537, 874590, 315793, 9787431, 6805379, 98520216, 92438030, 336471831, 684430900, 8464448602, 9587885214

Basic calculations (n = 387221)

Multiplication

n×y

n×2	774442
n×3	1161663
n×4	1548884
n×5	1936105

Division

n÷y

n÷2	193610.5
n÷3	129073.66666667
n÷3	96805.25
n÷5	77444.2

Exponentiation

n^y

n²	149940102841
n³	58059956562194861
n⁴	2.248203443997E+22
n⁵	8.7055158578795E+27

Nth Root

^y√n

²√n	622.27084135447
³√n	72.887485393498
⁴√n	24.945357110181
⁵√n	13.109670627378

Divisors of 387221

1, 31, 12491, 387221

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	-387220	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 387221 can be divided by 4 positive divisors. The sum of these divisors (counting 387221) is 1, the average is 0.25.

Base conversion 387221

Base	System	Value
2	Binary	1011110100010010101
3	Ternary	201200011112
4	Quaternary	1132202111
5	Quinary	44342341
6	Senary	12144405
8	Octal	1364225
10	Decimal	387221
12	Duodecimal	168105
16	Hexadecimal	5e895
20	Vigesimal	28811
36	Base36	8as5

Cryptographic Hash Functions

md5	c43c931d4199219cc01a398372ea8aa7
sha1	d687c610e90be3579a282fcba538909f0b22d562
sha256	34c2f93f0f20c6c42dd239777a3c90f49a2cb2f089b057cf0783a955534f7909
sha512	63e22c144587e21edbfd84101176879200742bd7e83eac77a9f795a0c523701eb96e9dfe738180897d50e5c6b41d864321b33c449a056421a82428dfdf037d94
ripemd-160	7c5499a72bbcef0ada561606b6a7964224d9fc9c

387221 as geometric shapes

Circle

Radius = n

Diameter	774442
Circumference	2432981.2978314
Area	471050725563.78

Sphere

Radius = n

Volume	2.4320097733805E+17
Surface area	1884202902255.1
Circumference	2432981.2978314

Square

Length = n

Perimeter	1548884
Area	149940102841
Diagonal	547613.18983567

Cube

Length = n

Surface area	899640617046
Volume	58059956562194861
Space diagonal	670686.44575763

Equilateral Triangle

Length = n

Perimeter	1161663
Area	64925969053.179
Altitude	335343.22287881

Triangular Pyramid

Length = n

Surface area	64925969053.179
Volume	6.8424315000874E+15
Height	182537.72994522