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

20687813 (number)

20687813 is an odd 8-digits composite number following 20687812 and preceding 20687814. In scientific notation, it is written as 2.0687813 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 20669280 positive integers (up to 20687813) that are relatively prime to 20687813.

Interesting facts

20687813 has 4 divisors, whose sum is 20706348
The reverse of 20687813 is 31878602
Previous prime number is 1193

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8

Name

Name	twenty million six hundred eighty-seven thousand eight hundred thirteen

Notation

Scientific notation	2.0687813 × 10^7
Engineering notation	2.0687813 × 10^6

Prime Factorization of 20687813

Prime Factorization 1193 × 17341

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20687813	Product of the distinct prime numbers

The prime factorization of 20687813 is 1193 × 17341. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 10, 19, 80, 385, 885, 6211, 4549, 48538, 48954, 704908, 873048, 3701659, 265202, 57992977, 71690506, 635299545, 466341089, 7803743543, 9267383394

Basic calculations (n = 20687813)

Multiplication

n×y

n×2	41375626
n×3	62063439
n×4	82751252
n×5	103439065

Division

n÷y

n÷2	10343906.5
n÷3	6895937.6666667
n÷3	5171953.25
n÷5	4137562.6

Exponentiation

n^y

n²	427985606722969
n³	8.8540861985763E+21
n⁴	1.8317167956203E+29
n⁵	3.7894214536752E+36

Nth Root

^y√n

²√n	4548.3857576068
³√n	274.51844318092
⁴√n	67.441721193982
⁵√n	29.049784591603

Divisors of 20687813

1, 1193, 17341, 20687813

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	-20687812	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 20687813 can be divided by 4 positive divisors. The sum of these divisors (counting 20687813) is 1, the average is 0.25.

Base conversion 20687813

Base	System	Value
2	Binary	1001110111010101111000101
3	Ternary	1102221001100022
4	Quaternary	1032322233011
5	Quinary	20244002223
6	Senary	2015224525
8	Octal	116725705
10	Decimal	20687813
12	Duodecimal	6b18145
16	Hexadecimal	13babc5
20	Vigesimal	695jad
36	Base36	cbeth

Cryptographic Hash Functions

md5	4e0ed277ea507165a81cc71224bfd8ab
sha1	edcaefe83e58a31eb212e0b29d7e1653b8c8b64c
sha256	8a8762bd138f9aa48689a72c2b99b1543960d4c00673e139a1157d9cf614d4bd
sha512	4a4b1216df2d8ce212c63c97400cd64d07c6460064d446b9cd703354540805cc1deb511df473f7ca7e81273aad10babc04bbb006c1d0956144bb97a9e1bcac98
ripemd-160	42ba98b48b9b901da37a576888c466ef2db31d98

20687813 as geometric shapes

Circle

Radius = n

Diameter	41375626
Circumference	129985362.67928
Area	1.344556437923E+15

Sphere

Radius = n

Volume	3.7087909540931E+22
Surface area	5.3782257516922E+15
Circumference	129985362.67928

Square

Length = n

Perimeter	82751252
Area	427985606722969
Diagonal	29256985.720438

Cube

Length = n

Surface area	2567913640337814
Volume	8.8540861985763E+21
Space diagonal	35832343.213484

Equilateral Triangle

Length = n

Perimeter	62063439
Area	1.8532320393809E+14
Altitude	17916171.606742

Triangular Pyramid

Length = n

Surface area	1.8532320393809E+14
Volume	1.0434640653706E+21
Height	9752328.5734795