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

20409985 (number)

20409985 is an odd 8-digits composite number following 20409984 and preceding 20409986. In scientific notation, it is written as 2.0409985 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 15980400 positive integers (up to 20409985) that are relatively prime to 20409985.

Interesting facts

20409985 has 8 divisors, whose sum is 25013376
The reverse of 20409985 is 58990402
Previous prime number is 47

Basic properties

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

Name

Name	twenty million four hundred nine thousand nine hundred eighty-five

Notation

Scientific notation	2.0409985 × 10^7
Engineering notation	2.0409985 × 10^6

Prime Factorization of 20409985

Prime Factorization 5 × 47 × 86851

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20409985	Product of the distinct prime numbers

The prime factorization of 20409985 is 5 × 47 × 86851. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 6, 98, 40, 84, 395, 7799, 464, 52760, 9443, 168774, 188937, 7706840, 3768423, 2519902, 83019900, 415499847, 196365827, 4898089923, 2464204193

Basic calculations (n = 20409985)

Multiplication

n×y

n×2	40819970
n×3	61229955
n×4	81639940
n×5	102049925

Division

n÷y

n÷2	10204992.5
n÷3	6803328.3333333
n÷3	5102496.25
n÷5	4081997

Exponentiation

n^y

n²	416567487700225
n³	8.5021361754493E+21
n⁴	1.7352847180888E+29
n⁵	3.5417135066921E+36

Nth Root

^y√n

²√n	4517.7411391092
³√n	273.28401433517
⁴√n	67.214143891812
⁵√n	28.971336943887

Divisors of 20409985

1, 5, 47, 235, 86851, 434255, 4081997, 20409985

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	-20409984	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 20409985 can be divided by 8 positive divisors. The sum of these divisors (counting 20409985) is 1, the average is 0.125.

Base conversion 20409985

Base	System	Value
2	Binary	1001101110110111010000001
3	Ternary	1102101221020101
4	Quaternary	1031312322001
5	Quinary	20211104420
6	Senary	2005242401
8	Octal	115667201
10	Decimal	20409985
12	Duodecimal	6a03401
16	Hexadecimal	1376e81
20	Vigesimal	67b4j5
36	Base36	c5gg1

Cryptographic Hash Functions

md5	a87b57b2aca5b0c46ea7db2ac04dffa4
sha1	93c8c66c912c83e32df3cde5a3f93ae12d3a4560
sha256	7e6f840432381dec8fd58f57e00f66d39876c314fb99587b6c07537781a3aebd
sha512	3a464c2ea03d8d4568f3f3a98c3473ad4b364b0adbc8af1a945170cfa790108147e9cc02f8ed0610f907ccaf8f5aeb89f8805688fb8bb6c530fa0e1b0329ab3a
ripemd-160	47b80b71a4f5325ea15068ebf6396c00d1dacb38

20409985 as geometric shapes

Circle

Radius = n

Diameter	40819970
Circumference	128239717.87176
Area	1.3086853590834E+15

Sphere

Radius = n

Volume	3.5613664731482E+22
Surface area	5.2347414363335E+15
Circumference	128239717.87176

Square

Length = n

Perimeter	81639940
Area	416567487700225
Diagonal	28864077.594831

Cube

Length = n

Surface area	2499404926201350
Volume	8.5021361754493E+21
Space diagonal	35351131.001719

Equilateral Triangle

Length = n

Perimeter	61229955
Area	1.8037901336953E+14
Altitude	17675565.500859

Triangular Pyramid

Length = n

Surface area	1.8037901336953E+14
Volume	1.0019863573719E+21
Height	9621359.1982771