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

20081815 (number)

20081815 is an odd 8-digits composite number following 20081814 and preceding 20081816. In scientific notation, it is written as 2.0081815 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 14829600 positive integers (up to 20081815) that are relatively prime to 20081815.

Interesting facts

20081815 has 8 divisors, whose sum is 25951968
The reverse of 20081815 is 51818002
Previous prime number is 13

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7

Name

Name	twenty million eighty-one thousand eight hundred fifteen

Notation

Scientific notation	2.0081815 × 10^7
Engineering notation	2.0081815 × 10^6

Prime Factorization of 20081815

Prime Factorization 5 × 13 × 308951

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20081815	Product of the distinct prime numbers

The prime factorization of 20081815 is 5 × 13 × 308951. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 1, 35, 8, 971, 480, 336, 6165, 63457, 88057, 582261, 232803, 9042059, 4239965, 8899040, 60545575, 643348297, 846015602, 4088321950, 6839117927

Basic calculations (n = 20081815)

Multiplication

n×y

n×2	40163630
n×3	60245445
n×4	80327260
n×5	100409075

Division

n÷y

n÷2	10040907.5
n÷3	6693938.3333333
n÷3	5020453.75
n÷5	4016363

Exponentiation

n^y

n²	403279293694225
n³	8.0985801692981E+21
n⁴	1.6263418872251E+29
n⁵	3.2659896906006E+36

Nth Root

^y√n

²√n	4481.2738144416
³√n	271.81139155774
⁴√n	66.942317068067
⁵√n	28.877566483276

Divisors of 20081815

1, 5, 13, 65, 308951, 1544755, 4016363, 20081815

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20081814	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20081815 can be divided by 8 positive divisors. The sum of these divisors (counting 20081815) is 1, the average is 0.125.

Base conversion 20081815

Base	System	Value
2	Binary	1001100100110110010010111
3	Ternary	1101210021001221
4	Quaternary	1030212302113
5	Quinary	20120104230
6	Senary	1554231211
8	Octal	114466227
10	Decimal	20081815
12	Duodecimal	6885507
16	Hexadecimal	1326c97
20	Vigesimal	65a4af
36	Base36	byf87

Cryptographic Hash Functions

md5	20b72342626d29b7ad49ccd5de14b080
sha1	cbd1f0b4fc58cd9faf96b43e003671d354aa5d78
sha256	eae341fcc21a0dd4df77f87f72162ac5f87538baf305f3c2d79acd825cf6edef
sha512	f26ee2b9a157aa5d4e1d54254d444e45a51c2b46b68a56a3a59521a2faf290fbd925338ce33ad89c4129326913af11cd0276aed17b10e6214a3212fd52aca01f
ripemd-160	93667f90392efe2b43bb9fcdaa4d8b0648c7aaa8

20081815 as geometric shapes

Circle

Radius = n

Diameter	40163630
Circumference	126177764.9495
Area	1.2669392664147E+15

Sphere

Radius = n

Volume	3.3923253285833E+22
Surface area	5.0677570656586E+15
Circumference	126177764.9495

Square

Length = n

Perimeter	80327260
Area	403279293694225
Diagonal	28399975.130067

Cube

Length = n

Surface area	2419675762165350
Volume	8.0985801692981E+21
Space diagonal	34782723.888199

Equilateral Triangle

Length = n

Perimeter	60245445
Area	1.7462505657972E+14
Altitude	17391361.944099

Triangular Pyramid

Length = n

Surface area	1.7462505657972E+14
Volume	9.5442682594893E+20
Height	9466658.3766892