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

20138821 (number)

20138821 is an odd 8-digits composite number following 20138820 and preceding 20138822. In scientific notation, it is written as 2.0138821 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 20129292 positive integers (up to 20138821) that are relatively prime to 20138821.

Interesting facts

20138821 has 4 divisors, whose sum is 20148352
The reverse of 20138821 is 12883102
Previous prime number is 6367

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7

Name

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

Notation

Scientific notation	2.0138821 × 10^7
Engineering notation	2.0138821 × 10^6

Prime Factorization of 20138821

Prime Factorization 6367 × 3163

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20138821	Product of the distinct prime numbers

The prime factorization of 20138821 is 6367 × 3163. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 4, 55, 35, 223, 349, 3981, 3730, 99887, 42762, 186310, 82860, 3864084, 7768694, 73394373, 52881564, 155359525, 626532099, 3432859075, 1900991921

Basic calculations (n = 20138821)

Multiplication

n×y

n×2	40277642
n×3	60416463
n×4	80555284
n×5	100694105

Division

n÷y

n÷2	10069410.5
n÷3	6712940.3333333
n÷3	5034705.25
n÷5	4027764.2

Exponentiation

n^y

n²	405572111270041
n³	8.1677441514594E+21
n⁴	1.6448873744004E+29
n⁵	3.3126092398209E+36

Nth Root

^y√n

²√n	4487.6297752823
³√n	272.06834445364
⁴√n	66.989773661972
⁵√n	28.893942777147

Divisors of 20138821

1, 3163, 6367, 20138821

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	-20138820	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 20138821 can be divided by 4 positive divisors. The sum of these divisors (counting 20138821) is 1, the average is 0.25.

Base conversion 20138821

Base	System	Value
2	Binary	1001100110100101101000101
3	Ternary	1101220011021021
4	Quaternary	1030310231011
5	Quinary	20123420241
6	Senary	1555351141
8	Octal	114645505
10	Decimal	20138821
12	Duodecimal	68b24b1
16	Hexadecimal	1334b45
20	Vigesimal	65h711
36	Base36	bzn7p

Cryptographic Hash Functions

md5	1c7eaeb435e610b166967cd96d1a73a2
sha1	5ec4335af6a7620c2c8897b8ab5b3acb711d366d
sha256	abcc3a971393127fa41b63187b16dcea14492a6b947e5e0e7b402b03a8e7586c
sha512	45fb1b5fc937976d07bf0e4af35f1ef8601e962ccfa43d48a55883cac8c0aab35948cdf884c9e7ad556c2bef0429f2971828e01f146b4afcc04a4deb6b949588
ripemd-160	d7b2944540e95bda0841e97135a2d0f014498245

20138821 as geometric shapes

Circle

Radius = n

Diameter	40277642
Circumference	126535944.21112
Area	1.2741423652669E+15

Sphere

Radius = n

Volume	3.4212966696835E+22
Surface area	5.0965694610675E+15
Circumference	126535944.21112

Square

Length = n

Perimeter	80555284
Area	405572111270041
Diagonal	28480593.788404

Cube

Length = n

Surface area	2433432667620246
Volume	8.1677441514594E+21
Space diagonal	34881461.176535

Equilateral Triangle

Length = n

Perimeter	60416463
Area	1.7561787571317E+14
Altitude	17440730.588268

Triangular Pyramid

Length = n

Surface area	1.7561787571317E+14
Volume	9.6257787941562E+20
Height	9493531.2628014