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

20507987 (number)

20507987 is an odd 8-digits composite number following 20507986 and preceding 20507988. In scientific notation, it is written as 2.0507987 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 20044800 positive integers (up to 20507987) that are relatively prime to 20507987.

Interesting facts

20507987 has 8 divisors, whose sum is 20975280
The reverse of 20507987 is 78970502
Previous prime number is 193

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2

Name

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

Notation

Scientific notation	2.0507987 × 10^7
Engineering notation	2.0507987 × 10^6

Prime Factorization of 20507987

Prime Factorization 59 × 193 × 1801

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20507987	Product of the distinct prime numbers

The prime factorization of 20507987 is 59 × 193 × 1801. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 1, 15, 45, 709, 678, 3204, 2588, 91187, 27197, 522453, 215323, 813294, 5634554, 88656651, 41387897, 538831801, 269067602, 3163147686, 7792324041

Basic calculations (n = 20507987)

Multiplication

n×y

n×2	41015974
n×3	61523961
n×4	82031948
n×5	102539935

Division

n÷y

n÷2	10253993.5
n÷3	6835995.6666667
n÷3	5126996.75
n÷5	4101597.4

Exponentiation

n^y

n²	420577530792169
n³	8.6251985339779E+21
n⁴	1.7688545940724E+29
n⁵	3.6275647020127E+36

Nth Root

^y√n

²√n	4528.5744997736
³√n	273.72072259745
⁴√n	67.294684037995
⁵√n	28.9991058165

Divisors of 20507987

1, 59, 193, 1801, 11387, 106259, 347593, 20507987

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	-20507986	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 20507987 can be divided by 8 positive divisors. The sum of these divisors (counting 20507987) is 1, the average is 0.125.

Base conversion 20507987

Base	System	Value
2	Binary	1001110001110110101010011
3	Ternary	1102120220200002
4	Quaternary	1032032311103
5	Quinary	20222223422
6	Senary	2011320215
8	Octal	116166523
10	Decimal	20507987
12	Duodecimal	6a5006b
16	Hexadecimal	138ed53
20	Vigesimal	6839j7
36	Base36	c7k2b

Cryptographic Hash Functions

md5	8a2ff8f9e6e4917280b171f9b47888ed
sha1	e409569690d8d8c45e621ce770fc737b19e7509b
sha256	396ccde2bbae36b0d03815d690d7ba8d7080435b84d37408779814a312170119
sha512	5ef20bb985139309255e3af1fe01e76a9a3ac527768ec5e1411cdf11aa9a19c0138a404c3b9f2e343be08374a1bdbe7186a87648692e68efa112ac8c30d5638e
ripemd-160	b599035208aafa4a876fd3dac3aa56e85a6b75c9

20507987 as geometric shapes

Circle

Radius = n

Diameter	41015974
Circumference	128855482.59823
Area	1.3212832810016E+15

Sphere

Radius = n

Volume	3.6129147133465E+22
Surface area	5.2851331240065E+15
Circumference	128855482.59823

Square

Length = n

Perimeter	82031948
Area	420577530792169
Diagonal	29002673.352371

Cube

Length = n

Surface area	2523465184753014
Volume	8.6251985339779E+21
Space diagonal	35520875.444962

Equilateral Triangle

Length = n

Perimeter	61523961
Area	1.8211541296348E+14
Altitude	17760437.722481

Triangular Pyramid

Length = n

Surface area	1.8211541296348E+14
Volume	1.0164893954093E+21
Height	9667557.7841237