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

20137987 (number)

20137987 is an odd 8-digits composite number following 20137986 and preceding 20137988. In scientific notation, it is written as 2.0137987 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 20112696 positive integers (up to 20137987) that are relatively prime to 20137987.

Interesting facts

20137987 has 4 divisors, whose sum is 20163280
The reverse of 20137987 is 78973102
Previous prime number is 823

Basic properties

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

Name

Name	twenty million one hundred thirty-seven thousand nine hundred eighty-seven

Notation

Scientific notation	2.0137987 × 10^7
Engineering notation	2.0137987 × 10^6

Prime Factorization of 20137987

Prime Factorization 823 × 24469

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20137987	Product of the distinct prime numbers

The prime factorization of 20137987 is 823 × 24469. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 8, 42, 46, 233, 415, 5555, 6971, 72296, 41785, 238224, 563819, 3139532, 5282666, 89532397, 86999836, 678180898, 470482367, 2708148993, 9144111779

Basic calculations (n = 20137987)

Multiplication

n×y

n×2	40275974
n×3	60413961
n×4	80551948
n×5	100689935

Division

n÷y

n÷2	10068993.5
n÷3	6712662.3333333
n÷3	5034496.75
n÷5	4027597.4

Exponentiation

n^y

n²	405538520412169
n³	8.1667294520595E+21
n⁴	1.6446149153809E+29
n⁵	3.3119233785947E+36

Nth Root

^y√n

²√n	4487.5368522164
³√n	272.06458872018
⁴√n	66.989080096807
⁵√n	28.893703458793

Divisors of 20137987

1, 823, 24469, 20137987

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	-20137986	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 20137987 can be divided by 4 positive divisors. The sum of these divisors (counting 20137987) is 1, the average is 0.25.

Base conversion 20137987

Base	System	Value
2	Binary	1001100110100100000000011
3	Ternary	1101220010010101
4	Quaternary	1030310200003
5	Quinary	20123403422
6	Senary	1555343231
8	Octal	114644003
10	Decimal	20137987
12	Duodecimal	68b1b17
16	Hexadecimal	1334803
20	Vigesimal	65h4j7
36	Base36	bzmkj

Cryptographic Hash Functions

md5	93c510df557ba02536caac409fd60012
sha1	086fba326dad3d2555829e4422254e5036bcb625
sha256	c3424540de0a3750e13f3e5edce48978e177c00d55569854b2091be3936d5e99
sha512	92815535b8a310fb6413f9c6f385752bc2e104ac5265d942f5b4cabb90a8b4a8633a9d1e8265316b8ba0a61f3e09a88a7a4d4f25485f05744a43cdfbcd100258
ripemd-160	b25c957b74de0e8cd34a4dec116ff9959ad2b700

20137987 as geometric shapes

Circle

Radius = n

Diameter	40275974
Circumference	126530704.03457
Area	1.2740368364745E+15

Sphere

Radius = n

Volume	3.4208716333927E+22
Surface area	5.0961473458982E+15
Circumference	126530704.03457

Square

Length = n

Perimeter	80551948
Area	405538520412169
Diagonal	28479414.334293

Cube

Length = n

Surface area	2433231122473014
Volume	8.1667294520595E+21
Space diagonal	34880016.646162

Equilateral Triangle

Length = n

Perimeter	60413961
Area	1.7560333044505E+14
Altitude	17440008.323081

Triangular Pyramid

Length = n

Surface area	1.7560333044505E+14
Volume	9.6245829594453E+20
Height	9493138.111431