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

20987079 (number)

20987079 is an odd 8-digits composite number following 20987078 and preceding 20987080. In scientific notation, it is written as 2.0987079 × 10^7. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 13991384 positive integers (up to 20987079) that are relatively prime to 20987079.

Interesting facts

20987079 has 4 divisors, whose sum is 27982776
The reverse of 20987079 is 97078902
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6

Name

Name	twenty million nine hundred eighty-seven thousand seventy-nine

Notation

Scientific notation	2.0987079 × 10^7
Engineering notation	2.0987079 × 10^6

Prime Factorization of 20987079

Prime Factorization 3 × 6995693

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20987079	Product of the distinct prime numbers

The prime factorization of 20987079 is 3 × 6995693. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 5, 27, 83, 629, 503, 5925, 824, 4472, 81008, 135770, 87686, 7435447, 8988021, 67848826, 98673158, 656933729, 78201549, 824686838, 8283944397

Basic calculations (n = 20987079)

Multiplication

n×y

n×2	41974158
n×3	62961237
n×4	83948316
n×5	104935395

Division

n÷y

n÷2	10493539.5
n÷3	6995693
n÷3	5246769.75
n÷5	4197415.8

Exponentiation

n^y

n²	440457484952241
n³	9.243916032834E+21
n⁴	1.9400279605045E+29
n⁵	4.0715520069318E+36

Nth Root

^y√n

²√n	4581.1656813523
³√n	275.8358218079
⁴√n	67.684308974476
⁵√n	29.13334819507

Divisors of 20987079

1, 3, 6995693, 20987079

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	-20987078	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 20987079 can be divided by 4 positive divisors. The sum of these divisors (counting 20987079) is 1, the average is 0.25.

Base conversion 20987079

Base	System	Value
2	Binary	1010000000011110011000111
3	Ternary	1110111020212020
4	Quaternary	1100003303013
5	Quinary	20333041304
6	Senary	2025454223
8	Octal	120036307
10	Decimal	20987079
12	Duodecimal	7041373
16	Hexadecimal	1403cc7
20	Vigesimal	6b37dj
36	Base36	chtqf

Cryptographic Hash Functions

md5	535b8bdfd3230a484aafb38c3526609f
sha1	61416ea359853be0a1188a9594053b95e4f2809d
sha256	08c9c6cdf1d66e69ba3513203ae5b56f92f069016b694d78fdefd377fe78d760
sha512	026927600800cec55d05602a6977f3cfe59f19ccd46b9252a72fa8294ee8b9388c425404bcaa9c9c1baf6e52eae99d6d1944dcf502f24659c6f563472d9287c5
ripemd-160	bb19a0bde261f91e9d22654e88cd9a57c1b170c5

20987079 as geometric shapes

Circle

Radius = n

Diameter	41974158
Circumference	131865706.41342
Area	1.3837379989446E+15

Sphere

Radius = n

Volume	3.8720824932203E+22
Surface area	5.5349519957784E+15
Circumference	131865706.41342

Square

Length = n

Perimeter	83948316
Area	440457484952241
Diagonal	29680211.756396

Cube

Length = n

Surface area	2642744909713446
Volume	9.243916032834E+21
Space diagonal	36350687.130462

Equilateral Triangle

Length = n

Perimeter	62961237
Area	1.9072368562782E+14
Altitude	18175343.565231

Triangular Pyramid

Length = n

Surface area	1.9072368562782E+14
Volume	1.0894059519227E+21
Height	9893403.9187985