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

20731681 (number)

20731681 is an odd 8-digits prime number following 20731680 and preceding 20731682. In scientific notation, it is written as 2.0731681 × 10^7. The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors. There are 20731680 positive integers (up to 20731681) that are relatively prime to 20731681.

Interesting facts

20731681 has 2 divisors, whose sum is 20731682
The reverse of 20731681 is 18613702
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1

Name

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

Notation

Scientific notation	2.0731681 × 10^7
Engineering notation	2.0731681 × 10^6

Prime Factorization of 20731681

Prime Factorization 20731681

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	20731681	Product of the distinct prime numbers

The prime factorization of 20731681 is 20731681. Since it has a total of 1 prime factors.

Most popular turbo-numbers

4, 6, 95, 78, 961, 887, 8933, 4684, 1906, 38752, 781422, 12290, 4607627, 7625756, 40173381, 80934907, 848652721, 291466995, 7231862529, 1074751505

Basic calculations (n = 20731681)

Multiplication

n×y

n×2	41463362
n×3	62195043
n×4	82926724
n×5	103658405

Division

n÷y

n÷2	10365840.5
n÷3	6910560.3333333
n÷3	5182920.25
n÷5	4146336.2

Exponentiation

n^y

n²	429802597085761
n³	8.9105303357535E+21
n⁴	1.8473027246167E+29
n⁵	3.8297690797183E+36

Nth Root

^y√n

²√n	4553.2055740983
³√n	274.71234273399
⁴√n	67.477444928645
⁵√n	29.062094026412

Divisors of 20731681

1, 20731681

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	20731682	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10365841	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4553.2056839111	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999035293	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20731681 can be divided by 2 positive divisors. The sum of these divisors (counting 20731681) is 20731682, the average is 10365841.

Base conversion 20731681

Base	System	Value
2	Binary	1001111000101011100100001
3	Ternary	1110000021112001
4	Quaternary	1033011130201
5	Quinary	20301403211
6	Senary	2020204001
8	Octal	117053441
10	Decimal	20731681
12	Duodecimal	6b39601
16	Hexadecimal	13c5721
20	Vigesimal	69b941
36	Base36	ccco1

Cryptographic Hash Functions

md5	23f6049a0b659dcbb5976ce1679a6ccb
sha1	bbc102f135f5b0e2db3336330f1121951a380479
sha256	dd4d982db47985dd9588cf502447569b6ee2b6d48b1a4cf3c4a4efdff3511b5e
sha512	976e8e54d1d2dfe575257b4ba99f0e776583679aded1b02be0617cdbfbf13f0724df66c3b5452eb7b4bde2512e72edfc2e98dd2cede573ccdc1be7c2f55d2863
ripemd-160	d0a287d27ed02ae19a17f8717697d0a26fd5c469

20731681 as geometric shapes

Circle

Radius = n

Diameter	41463362
Circumference	130260993.45233
Area	1.3502646814984E+15

Sphere

Radius = n

Volume	3.7324342189856E+22
Surface area	5.4010587259938E+15
Circumference	130260993.45233

Square

Length = n

Perimeter	82926724
Area	429802597085761
Diagonal	29319024.440993

Cube

Length = n

Surface area	2578815582514566
Volume	8.9105303357535E+21
Space diagonal	35908324.81831

Equilateral Triangle

Length = n

Perimeter	62195043
Area	1.861099838444E+14
Altitude	17954162.409155

Triangular Pyramid

Length = n

Surface area	1.861099838444E+14
Volume	1.05011607073E+21
Height	9773008.1469975