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

20686942 (number)

20686942 is an even 8-digits composite number following 20686941 and preceding 20686943. In scientific notation, it is written as 2.0686942 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 10343470 positive integers (up to 20686942) that are relatively prime to 20686942.

Interesting facts

20686942 has 4 divisors, whose sum is 31030416
The reverse of 20686942 is 24968602
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1

Name

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

Notation

Scientific notation	2.0686942 × 10^7
Engineering notation	2.0686942 × 10^6

Prime Factorization of 20686942

Prime Factorization 2 × 10343471

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20686942	Product of the distinct prime numbers

The prime factorization of 20686942 is 2 × 10343471. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 5, 62, 90, 870, 551, 5305, 3895, 96849, 7498, 698723, 565526, 1693562, 2530669, 97333776, 40337735, 954719511, 201470552, 7078877009, 8675673667

Basic calculations (n = 20686942)

Multiplication

n×y

n×2	41373884
n×3	62060826
n×4	82747768
n×5	103434710

Division

n÷y

n÷2	10343471
n÷3	6895647.3333333
n÷3	5171735.5
n÷5	4137388.4

Exponentiation

n^y

n²	427949569311364
n³	8.8529679192692E+21
n⁴	1.8314083387378E+29
n⁵	3.7886238081786E+36

Nth Root

^y√n

²√n	4548.2900083438
³√n	274.51459052751
⁴√n	67.441011323554
⁵√n	29.0495399762

Divisors of 20686942

1, 2, 10343471, 20686942

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	-20686941	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 20686942 can be divided by 4 positive divisors. The sum of these divisors (counting 20686942) is 1, the average is 0.25.

Base conversion 20686942

Base	System	Value
2	Binary	1001110111010100001011110
3	Ternary	1102221000011001
4	Quaternary	1032322201132
5	Quinary	20243440232
6	Senary	2015220514
8	Octal	116724136
10	Decimal	20686942
12	Duodecimal	6b1773a
16	Hexadecimal	13ba85e
20	Vigesimal	695h72
36	Base36	cbe5a

Cryptographic Hash Functions

md5	6f2b8f44d4dd7413dba8a928e67d1e5f
sha1	21ffb28bc8de00bfb67db9a5a3f0f40101bc0131
sha256	0d944414e3e25610d59645e9e8cb37fd58c362b58ac4cb3f71dd8b0dd8f2f2bc
sha512	fc7db89773d522ba59b260153701a26a48abf78021da088499e95a6d5deaed07859de6506f147d36ccf37b2f51a8e94262d9f3ade7132ab931a00a7796351735
ripemd-160	b45dbff989be0aa7afdac3ff3cf6e1e29ca2f3c0

20686942 as geometric shapes

Circle

Radius = n

Diameter	41373884
Circumference	129979890.02488
Area	1.3444432230555E+15

Sphere

Radius = n

Volume	3.7083225303523E+22
Surface area	5.377772892222E+15
Circumference	129979890.02488

Square

Length = n

Perimeter	82747768
Area	427949569311364
Diagonal	29255753.940426

Cube

Length = n

Surface area	2567697415868184
Volume	8.8529679192692E+21
Space diagonal	35830834.597231

Equilateral Triangle

Length = n

Perimeter	62060826
Area	1.8530759928113E+14
Altitude	17915417.298615

Triangular Pyramid

Length = n

Surface area	1.8530759928113E+14
Volume	1.0433322748904E+21
Height	9751917.9801419