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

20131561 (number)

20131561 is an odd 8-digits prime number following 20131560 and preceding 20131562. In scientific notation, it is written as 2.0131561 × 10^7. The sum of its digits is 19. It has a total of 1 prime factors and 2 positive divisors. There are 20131560 positive integers (up to 20131561) that are relatively prime to 20131561.

Interesting facts

20131561 has 2 divisors, whose sum is 20131562
The reverse of 20131561 is 16513102
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1

Name

Name	twenty million one hundred thirty-one thousand five hundred sixty-one

Notation

Scientific notation	2.0131561 × 10^7
Engineering notation	2.0131561 × 10^6

Prime Factorization of 20131561

Prime Factorization 20131561

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	20131561	Product of the distinct prime numbers

The prime factorization of 20131561 is 20131561. Since it has a total of 1 prime factors.

Most popular turbo-numbers

1, 9, 49, 92, 328, 163, 7494, 4695, 82867, 73856, 233183, 729917, 8041994, 8840452, 99468089, 14982913, 142494438, 483387321, 5719849114, 3335380101

Basic calculations (n = 20131561)

Multiplication

n×y

n×2	40263122
n×3	60394683
n×4	80526244
n×5	100657805

Division

n÷y

n÷2	10065780.5
n÷3	6710520.3333333
n÷3	5032890.25
n÷5	4026312.2

Exponentiation

n^y

n²	405279748296721
n³	8.1589139749001E+21
n⁴	1.6425167437945E+29
n⁵	3.3066426021221E+36

Nth Root

^y√n

²√n	4486.8208121118
³√n	272.03564718068
⁴√n	66.983735429669
⁵√n	28.89185923631

Divisors of 20131561

1, 20131561

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	20131562	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10065781	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4486.8209235493	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999006535	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20131561 can be divided by 2 positive divisors. The sum of these divisors (counting 20131561) is 20131562, the average is 10065781.

Base conversion 20131561

Base	System	Value
2	Binary	1001100110010111011101001
3	Ternary	1101212210022101
4	Quaternary	1030302323221
5	Quinary	20123202221
6	Senary	1555253401
8	Octal	114627351
10	Decimal	20131561
12	Duodecimal	68aa261
16	Hexadecimal	1332ee9
20	Vigesimal	65g8i1
36	Base36	bzhm1

Cryptographic Hash Functions

md5	9ce77dfd2bd7e3786db4071b8b04033f
sha1	d50dbfd3c40a3f20c79fc9f809cd50701d967c73
sha256	6c4a4eda41dcef3687eb446256c25e2e0ecae251767b1a8af8d389c56d1553a3
sha512	9a282cbc828c731fa4ea2c6690ac80d9e215b415befc031a8ef4186b61ceafe9cf1020e01f941a691db40ca9d3ccf50ff1236d74ff5e6605e8ac6fa697390254
ripemd-160	e21567690fd7144288ab9342084671e09356d970

20131561 as geometric shapes

Circle

Radius = n

Diameter	40263122
Circumference	126490328.28579
Area	1.2732238798977E+15

Sphere

Radius = n

Volume	3.4175978939756E+22
Surface area	5.0928955195908E+15
Circumference	126490328.28579

Square

Length = n

Perimeter	80526244
Area	405279748296721
Diagonal	28470326.597941

Cube

Length = n

Surface area	2431678489780326
Volume	8.1589139749001E+21
Space diagonal	34868886.487672

Equilateral Triangle

Length = n

Perimeter	60394683
Area	1.7549127883216E+14
Altitude	17434443.243836

Triangular Pyramid

Length = n

Surface area	1.7549127883216E+14
Volume	9.6153723312826E+20
Height	9490108.8659804