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

20131821 (number)

20131821 is an odd 8-digits composite number following 20131820 and preceding 20131822. In scientific notation, it is written as 2.0131821 × 10^7. The sum of its digits is 18. It has a total of 4 prime factors and 12 positive divisors. There are 13421052 positive integers (up to 20131821) that are relatively prime to 20131821.

Interesting facts

20131821 has 12 divisors, whose sum is 30156672
The reverse of 20131821 is 12813102
Previous prime number is 9

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9

Name

Name	twenty million one hundred thirty-one thousand eight hundred twenty-one

Notation

Scientific notation	2.0131821 × 10^7
Engineering notation	2.0131821 × 10^6

Prime Factorization of 20131821

Prime Factorization 9 × 3 × 9 × 82847

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	2236869	Product of the distinct prime numbers

The prime factorization of 20131821 is 9 × 3 × 9 × 82847. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 7, 77, 57, 352, 10, 1834, 1566, 55843, 64442, 418275, 639891, 2135499, 391829, 34503917, 27988374, 254803209, 257696250, 4142831269, 2905971631

Basic calculations (n = 20131821)

Multiplication

n×y

n×2	40263642
n×3	60395463
n×4	80527284
n×5	100659105

Division

n÷y

n÷2	10065910.5
n÷3	6710607
n÷3	5032955.25
n÷5	4026364.2

Exponentiation

n^y

n²	405290216776041
n³	8.1592300971865E+21
n⁴	1.6426015981437E+29
n⁵	3.3068561348143E+36

Nth Root

^y√n

²√n	4486.8497857628
³√n	272.03681829311
⁴√n	66.983951703097
⁵√n	28.891933863852

Divisors of 20131821

1, 3, 9, 27, 81, 243, 82847, 248541, 745623, 2236869, 6710607, 20131821

12 divisors

τ	Total Divisors	12	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20131820	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.083333333333333	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	12	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20131821 can be divided by 12 positive divisors. The sum of these divisors (counting 20131821) is 1, the average is 0.083333333333333.

Base conversion 20131821

Base	System	Value
2	Binary	1001100110010111111101101
3	Ternary	1101212210200000
4	Quaternary	1030302333231
5	Quinary	20123204241
6	Senary	1555254513
8	Octal	114627755
10	Decimal	20131821
12	Duodecimal	68aa439
16	Hexadecimal	1332fed
20	Vigesimal	65g9b1
36	Base36	bzht9

Cryptographic Hash Functions

md5	f4aa1d283f921a5dd5ca3cb784da3d21
sha1	8da844b60048f6e42946bb35f1bde646b7ce6f5b
sha256	85575e8bb18e333d94375025f41250000bceafe466e453ebfae470963c799c41
sha512	b2e02110e68e0cc4be0e013e5c754d9f29a0797946c6dd2d4ee805462d27adac09a1b248bf7d4ac3366cb0f36628cae8c723c10309edf532c3deb37897270ac6
ripemd-160	d1016e74b7a040c1c59fb733816a46bad8aeae72

20131821 as geometric shapes

Circle

Radius = n

Diameter	40263642
Circumference	126491961.91397
Area	1.2732567675954E+15

Sphere

Radius = n

Volume	3.4177303109693E+22
Surface area	5.0930270703817E+15
Circumference	126491961.91397

Square

Length = n

Perimeter	80527284
Area	405290216776041
Diagonal	28470694.293467

Cube

Length = n

Surface area	2431741300656246
Volume	8.1592300971865E+21
Space diagonal	34869336.820882

Equilateral Triangle

Length = n

Perimeter	60395463
Area	1.7549581181668E+14
Altitude	17434668.410441

Triangular Pyramid

Length = n

Surface area	1.7549581181668E+14
Volume	9.6157448849699E+20
Height	9490231.4311558