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

20138487 (number)

20138487 is an odd 8-digits composite number following 20138486 and preceding 20138488. In scientific notation, it is written as 2.0138487 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 13342968 positive integers (up to 20138487) that are relatively prime to 20138487.

Interesting facts

20138487 has 8 divisors, whose sum is 27016704
The reverse of 20138487 is 78483102
Previous prime number is 163

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6

Name

Name	twenty million one hundred thirty-eight thousand four hundred eighty-seven

Notation

Scientific notation	2.0138487 × 10^7
Engineering notation	2.0138487 × 10^6

Prime Factorization of 20138487

Prime Factorization 3 × 163 × 41183

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20138487	Product of the distinct prime numbers

The prime factorization of 20138487 is 3 × 163 × 41183. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 8, 41, 62, 150, 863, 4854, 4476, 87950, 60671, 300557, 6867, 2706228, 4789526, 84263866, 52250912, 884630403, 119487642, 8893477099, 7057357170

Basic calculations (n = 20138487)

Multiplication

n×y

n×2	40276974
n×3	60415461
n×4	80553948
n×5	100692435

Division

n÷y

n÷2	10069243.5
n÷3	6712829
n÷3	5034621.75
n÷5	4027697.4

Exponentiation

n^y

n²	405558658649169
n³	8.1673377749437E+21
n⁴	1.6447782560531E+29
n⁵	3.3123345527409E+36

Nth Root

^y√n

²√n	4487.5925617195
³√n	272.06684037139
⁴√n	66.989495905847
⁵√n	28.893846935976

Divisors of 20138487

1, 3, 163, 489, 41183, 123549, 6712829, 20138487

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	-20138486	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 20138487 can be divided by 8 positive divisors. The sum of these divisors (counting 20138487) is 1, the average is 0.125.

Base conversion 20138487

Base	System	Value
2	Binary	1001100110100100111110111
3	Ternary	1101220010210220
4	Quaternary	1030310213313
5	Quinary	20123412422
6	Senary	1555345423
8	Octal	114644767
10	Decimal	20138487
12	Duodecimal	68b2273
16	Hexadecimal	13349f7
20	Vigesimal	65h647
36	Base36	bzmyf

Cryptographic Hash Functions

md5	df6506ccf3a580d386e85c52cc3184c7
sha1	5ed5044defa1275408c33b52d619316b0ad581b5
sha256	db73699e55d596a82a08eb7c39021164a9aa322309e2c36d36cca1a5fc59899b
sha512	bca69b131d98f92ceb4c0b6fe3a2546c5cdf64da7759e50b7a7522ef5c8b79c452ad56000b55f427152cd696c16b7016dfbe150638f06d32a0c2878b8f6c7087
ripemd-160	a17414a73fbb4150d5091a6b55de23488cb3f6b3

20138487 as geometric shapes

Circle

Radius = n

Diameter	40276974
Circumference	126533845.62723
Area	1.274100102612E+15

Sphere

Radius = n

Volume	3.4211264470866E+22
Surface area	5.0964004104478E+15
Circumference	126533845.62723

Square

Length = n

Perimeter	80553948
Area	405558658649169
Diagonal	28480121.441074

Cube

Length = n

Surface area	2433351951895014
Volume	8.1673377749437E+21
Space diagonal	34880882.671565

Equilateral Triangle

Length = n

Perimeter	60415461
Area	1.7561205055746E+14
Altitude	17440441.335783

Triangular Pyramid

Length = n

Surface area	1.7561205055746E+14
Volume	9.6252998748396E+20
Height	9493373.8136914