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

20642942 (number)

20642942 is an even 8-digits composite number following 20642941 and preceding 20642943. In scientific notation, it is written as 2.0642942 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 10321470 positive integers (up to 20642942) that are relatively prime to 20642942.

Interesting facts

20642942 has 4 divisors, whose sum is 30964416
The reverse of 20642942 is 24924602
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2

Name

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

Notation

Scientific notation	2.0642942 × 10^7
Engineering notation	2.0642942 × 10^6

Prime Factorization of 20642942

Prime Factorization 2 × 10321471

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20642942	Product of the distinct prime numbers

The prime factorization of 20642942 is 2 × 10321471. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 7, 64, 18, 40, 95, 2271, 2358, 66213, 96979, 892089, 508494, 9867221, 9344426, 81907018, 3712173, 354729565, 176508398, 4082886149, 3248471247

Basic calculations (n = 20642942)

Multiplication

n×y

n×2	41285884
n×3	61928826
n×4	82571768
n×5	103214710

Division

n÷y

n÷2	10321471
n÷3	6880980.6666667
n÷3	5160735.5
n÷5	4128588.4

Exponentiation

n^y

n²	426131054415364
n³	8.7965986406952E+21
n⁴	1.8158767553715E+29
n⁵	3.7485038540282E+36

Nth Root

^y√n

²√n	4543.4504509238
³√n	274.31982651237
⁴√n	67.405121844885
⁵√n	29.037172091219

Divisors of 20642942

1, 2, 10321471, 20642942

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	-20642941	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 20642942 can be divided by 4 positive divisors. The sum of these divisors (counting 20642942) is 1, the average is 0.25.

Base conversion 20642942

Base	System	Value
2	Binary	1001110101111110001111110
3	Ternary	1102211202210102
4	Quaternary	1032233301332
5	Quinary	20241033232
6	Senary	2014241102
8	Octal	116576176
10	Decimal	20642942
12	Duodecimal	6ab6192
16	Hexadecimal	13afc7e
20	Vigesimal	690772
36	Base36	cag72

Cryptographic Hash Functions

md5	4d12d49ee508de1559ae2a5ac0665b84
sha1	fb1956b9f79c9b841fc6534cff72ea1c9c1de2ac
sha256	53e581b3c1c63a8cb53d04f8813baf10f8ca13d88814d7890ed1fc3c09d23f09
sha512	5b81dacd456683bc203a73c338acc6d9aac55ff304fb7f30a90ad1e43c02c396b69a14d5430a126a5438bdeb8d31da1afba4a4d400a9ba13032f2777b37c7257
ripemd-160	aa6a58a5fd5ea4f57ed5ea2394271ee96021847a

20642942 as geometric shapes

Circle

Radius = n

Diameter	41285884
Circumference	129703429.87136
Area	1.3387301900178E+15

Sphere

Radius = n

Volume	3.6847106221581E+22
Surface area	5.3549207600711E+15
Circumference	129703429.87136

Square

Length = n

Perimeter	82571768
Area	426131054415364
Diagonal	29193528.543681

Cube

Length = n

Surface area	2556786326492184
Volume	8.7965986406952E+21
Space diagonal	35754624.361697

Equilateral Triangle

Length = n

Perimeter	61928826
Area	1.8452015923258E+14
Altitude	17877312.180849

Triangular Pyramid

Length = n

Surface area	1.8452015923258E+14
Volume	1.036689091702E+21
Height	9731176.1812271