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

642021 (number)

642021 is an odd 6-digits composite number following 642020 and preceding 642022. In scientific notation, it is written as 6.42021 × 10^5. The sum of its digits is 15. It has a total of 2 prime factors and 4 positive divisors. There are 428012 positive integers (up to 642021) that are relatively prime to 642021.

Interesting facts

642021 has 4 divisors, whose sum is 856032
The reverse of 642021 is 120246
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 6
Sum of Digits 15
Digital Root 6

Name

Name	six hundred forty-two thousand twenty-one

Notation

Scientific notation	6.42021 × 10^5
Engineering notation	6.42021 × 10^3

Prime Factorization of 642021

Prime Factorization 3 × 214007

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	642021	Product of the distinct prime numbers

The prime factorization of 642021 is 3 × 214007. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 3, 56, 9, 901, 247, 8105, 9031, 50570, 37606, 54838, 792353, 8149461, 202803, 31484205, 67560790, 866153097, 553031115, 7164933984, 8674303559

Basic calculations (n = 642021)

Multiplication

n×y

n×2	1284042
n×3	1926063
n×4	2568084
n×5	3210105

Division

n÷y

n÷2	321010.5
n÷3	214007
n÷3	160505.25
n÷5	128404.2

Exponentiation

n^y

n²	412190964441
n³	264635255181375261
n⁴	1.699013911668E+23
n⁵	1.090802610583E+29

Nth Root

^y√n

²√n	801.26212939337
³√n	86.268002963257
⁴√n	28.306573960714
⁵√n	14.504736604793

Divisors of 642021

1, 3, 214007, 642021

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	-642020	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 642021 can be divided by 4 positive divisors. The sum of these divisors (counting 642021) is 1, the average is 0.25.

Base conversion 642021

Base	System	Value
2	Binary	10011100101111100101
3	Ternary	1012121200120
4	Quaternary	2130233211
5	Quinary	131021041
6	Senary	21432153
8	Octal	2345745
10	Decimal	642021
12	Duodecimal	26b659
16	Hexadecimal	9cbe5
20	Vigesimal	40511
36	Base36	drdx

Cryptographic Hash Functions

md5	a5ea96f3f4765ce12ecbcfb21c85ceef
sha1	fdaf3081bf9f755324ac31870a2832acc84c226a
sha256	ac3b7abeb86b996317345f8b62497415fff7a3ba924d4a27b6139dbb4763d01e
sha512	8e9e88fc0686248cc6add4c0336232e762367658b07f78c93270f5a8835dd043ba5bbcc14262521d3868b7a9b00b4492fb4280e8958e1cfb62139c5f965f17e5
ripemd-160	57241d83f13ef07bcaef51710a23b85fef7c718f

642021 as geometric shapes

Circle

Radius = n

Diameter	1284042
Circumference	4033936.9141007
Area	1294936105763.9

Sphere

Radius = n

Volume	1.1085015647449E+18
Surface area	5179744423055.7
Circumference	4033936.9141007

Square

Length = n

Perimeter	2568084
Area	412190964441
Diagonal	907954.80552834

Cube

Length = n

Surface area	2473145786646
Volume	264635255181375261
Space diagonal	1112012.9915262

Equilateral Triangle

Length = n

Perimeter	1926063
Area	178483923208.16
Altitude	556006.49576309

Triangular Pyramid

Length = n

Surface area	178483923208.16
Volume	3.1187563913297E+16
Height	302651.60184278