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

20855985 (number)

20855985 is an odd 8-digits composite number following 20855984 and preceding 20855986. In scientific notation, it is written as 2.0855985 × 10^7. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 11123184 positive integers (up to 20855985) that are relatively prime to 20855985.

Interesting facts

20855985 has 4 divisors, whose sum is 22246400
The reverse of 20855985 is 58955802
Previous prime number is 15

Basic properties

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

Name

Name	twenty million eight hundred fifty-five thousand nine hundred eighty-five

Notation

Scientific notation	2.0855985 × 10^7
Engineering notation	2.0855985 × 10^6

Prime Factorization of 20855985

Prime Factorization 15 × 1390399

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20855985	Product of the distinct prime numbers

The prime factorization of 20855985 is 15 × 1390399. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 10, 51, 76, 688, 244, 1504, 3313, 66605, 88696, 326498, 996704, 1499928, 5431564, 5262376, 82025949, 319541673, 171738162, 9254293822, 9551424349

Basic calculations (n = 20855985)

Multiplication

n×y

n×2	41711970
n×3	62567955
n×4	83423940
n×5	104279925

Division

n÷y

n÷2	10427992.5
n÷3	6951995
n÷3	5213996.25
n÷5	4171197

Exponentiation

n^y

n²	434972110320225
n³	9.071771808257E+21
n⁴	1.8920073675643E+29
n⁵	3.9459677277811E+36

Nth Root

^y√n

²√n	4566.8353375177
³√n	275.26029349371
⁴√n	67.578364418782
⁵√n	29.096861120235

Divisors of 20855985

1, 15, 1390399, 20855985

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	-20855984	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 20855985 can be divided by 4 positive divisors. The sum of these divisors (counting 20855985) is 1, the average is 0.25.

Base conversion 20855985

Base	System	Value
2	Binary	1001111100011110010110001
3	Ternary	1110020121000220
4	Quaternary	1033203302301
5	Quinary	20314342420
6	Senary	2023003253
8	Octal	117436261
10	Decimal	20855985
12	Duodecimal	6b99529
16	Hexadecimal	13e3cb1
20	Vigesimal	6a6jj5
36	Base36	cf0kx

Cryptographic Hash Functions

md5	83c5477d7ba4f616944bef879931b808
sha1	4a70beb4f38432ff1f234ac6f675d81f290272d3
sha256	f97789ee323b2fa1576584e43d0d8c3f468cc86ec4c8b0aa3a0287fa4defd1bf
sha512	f8affd3e67ac2a62368873eac1dbe9a15153b0a0fc81faa8b102fcc8facf6b8ab418bcce02f0b1ddb40c0459b120d6e0f22d5927e3aead223b16fa2c2bbba3bd
ripemd-160	76232c11a9ed01a4c550d39d7742d190b7420f1e

20855985 as geometric shapes

Circle

Radius = n

Diameter	41711970
Circumference	131042018.51876
Area	1.3665051862985E+15

Sphere

Radius = n

Volume	3.7999748890484E+22
Surface area	5.4660207451939E+15
Circumference	131042018.51876

Square

Length = n

Perimeter	83423940
Area	434972110320225
Diagonal	29494816.84365

Cube

Length = n

Surface area	2609832661921350
Volume	9.071771808257E+21
Space diagonal	36123625.661894

Equilateral Triangle

Length = n

Perimeter	62567955
Area	1.8834844873752E+14
Altitude	18061812.830947

Triangular Pyramid

Length = n

Surface area	1.8834844873752E+14
Volume	1.0691185604992E+21
Height	9831605.6145499