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

642942 (number)

642942 is an even 6-digits composite number following 642941 and preceding 642943. In scientific notation, it is written as 6.42942 × 10^5. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 204864 positive integers (up to 642942) that are relatively prime to 642942.

Interesting facts

642942 has 16 divisors, whose sum is 1118880
The reverse of 642942 is 249246
Previous prime number is 23

Basic properties

Is Prime? no
Number parity even
Number length 6
Sum of Digits 27
Digital Root 9

Name

Name	six hundred forty-two thousand nine hundred forty-two

Notation

Scientific notation	6.42942 × 10^5
Engineering notation	6.42942 × 10^3

Prime Factorization of 642942

Prime Factorization 2 × 9 × 23 × 1553

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	642942	Product of the distinct prime numbers

The prime factorization of 642942 is 2 × 9 × 23 × 1553. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 2, 10, 24, 51, 123, 3976, 3292, 56053, 47808, 469167, 582298, 3339166, 9177330, 90794919, 52749207, 876269977, 617371530, 7887160689, 5893956411

Basic calculations (n = 642942)

Multiplication

n×y

n×2	1285884
n×3	1928826
n×4	2571768
n×5	3214710

Division

n÷y

n÷2	321471
n÷3	214314
n÷3	160735.5
n÷5	128588.4

Exponentiation

n^y

n²	413374415364
n³	265775773362960888
n⁴	1.7087840727753E+23
n⁵	1.0986490493183E+29

Nth Root

^y√n

²√n	801.836641717
³√n	86.309234671889
⁴√n	28.316720179375
⁵√n	14.508895722179

Divisors of 642942

1, 2, 9, 18, 23, 46, 207, 414, 1553, 3106, 13977, 27954, 35719, 71438, 321471, 642942

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	-642941	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 642942 can be divided by 16 positive divisors. The sum of these divisors (counting 642942) is 1, the average is 0.0625.

Base conversion 642942

Base	System	Value
2	Binary	10011100111101111110
3	Ternary	1012122221200
4	Quaternary	2130331332
5	Quinary	131033232
6	Senary	21440330
8	Octal	2347576
10	Decimal	642942
12	Duodecimal	2700a6
16	Hexadecimal	9cf7e
20	Vigesimal	40772
36	Base36	ds3i

Cryptographic Hash Functions

md5	ba9e1c67a54f0af823f7092e2f00a90a
sha1	288355910ef5e48518759758ab43dc2875ceeda9
sha256	09dd363dfe16cb2e32dbeb63a5cd75df3294196e35e4b9b3829ac7ec42368d00
sha512	e151912a4f1baa436c3dd86a214ab5ff96d0b2ac297d9caf8f0593e6dd81f28d635abc2c7c7f6379e5ea7027d50592f963913869b9c9ce16994573f224f6e9d6
ripemd-160	d4f3d0ecae6337bd66cc8106a761ca5517891774

642942 as geometric shapes

Circle

Radius = n

Diameter	1285884
Circumference	4039723.7277687
Area	1298654026489.5

Sphere

Radius = n

Volume	1.1132789561323E+18
Surface area	5194616105958.1
Circumference	4039723.7277687

Square

Length = n

Perimeter	2571768
Area	413374415364
Diagonal	909257.29621928

Cube

Length = n

Surface area	2480246492184
Volume	265775773362960888
Space diagonal	1113608.2103199

Equilateral Triangle

Length = n

Perimeter	1928826
Area	178996372489.88
Altitude	556804.10515997

Triangular Pyramid

Length = n

Surface area	178996372489.88
Volume	3.1321975270008E+16
Height	303085.76540643