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

20821481 (number)

20821481 is an odd 8-digits composite number following 20821480 and preceding 20821482. In scientific notation, it is written as 2.0821481 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 19118080 positive integers (up to 20821481) that are relatively prime to 20821481.

Interesting facts

20821481 has 4 divisors, whose sum is 20852052
The reverse of 20821481 is 18412802
Previous prime number is 697

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8

Name

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

Notation

Scientific notation	2.0821481 × 10^7
Engineering notation	2.0821481 × 10^6

Prime Factorization of 20821481

Prime Factorization 697 × 29873

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20821481	Product of the distinct prime numbers

The prime factorization of 20821481 is 697 × 29873. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 1, 91, 34, 122, 11, 5638, 674, 70569, 8542, 650025, 498485, 787910, 2359331, 82664997, 5955920, 126101534, 58287394, 9043938462, 5885499564

Basic calculations (n = 20821481)

Multiplication

n×y

n×2	41642962
n×3	62464443
n×4	83285924
n×5	104107405

Division

n÷y

n÷2	10410740.5
n÷3	6940493.6666667
n÷3	5205370.25
n÷5	4164296.2

Exponentiation

n^y

n²	433534071033361
n³	9.0268214228738E+21
n⁴	1.8795179074676E+29
n⁵	3.9134346399496E+36

Nth Root

^y√n

²√n	4563.0561030958
³√n	275.10841345282
⁴√n	67.550396764903
⁵√n	29.087227212914

Divisors of 20821481

1, 697, 29873, 20821481

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	-20821480	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 20821481 can be divided by 4 positive divisors. The sum of these divisors (counting 20821481) is 1, the average is 0.25.

Base conversion 20821481

Base	System	Value
2	Binary	1001111011011010111101001
3	Ternary	1110011211200222
4	Quaternary	1033123113221
5	Quinary	20312241411
6	Senary	2022135425
8	Octal	117332751
10	Decimal	20821481
12	Duodecimal	6b81575
16	Hexadecimal	13db5e9
20	Vigesimal	6a2de1
36	Base36	ce9yh

Cryptographic Hash Functions

md5	c953e96bf41451c5e80e33231c857ce9
sha1	ca51ab08548dbcd5c207f0622e153c6dbb46a73d
sha256	17ce1ffc1ea39ff060c53d0ff9452d7f4da17ade16cabbef8bcef173e606b362
sha512	e153e8639ea36141bccbb53a76eafd4a054324708f6abda2b1b46ab403ba3590233a20d71bad35942f5f86884f2116780141838ced2e9889da6edeef603c0f02
ripemd-160	1f57b21f1286d6a0a4927fdaf31ab7400bba5ae9

20821481 as geometric shapes

Circle

Radius = n

Diameter	41642962
Circumference	130825223.49292
Area	1.3619874526393E+15

Sphere

Radius = n

Volume	3.781146115649E+22
Surface area	5.4479498105571E+15
Circumference	130825223.49292

Square

Length = n

Perimeter	83285924
Area	433534071033361
Diagonal	29446020.818894

Cube

Length = n

Surface area	2601204426200166
Volume	9.0268214228738E+21
Space diagonal	36063862.98083

Equilateral Triangle

Length = n

Perimeter	62464443
Area	1.8772575946049E+14
Altitude	18031931.490415

Triangular Pyramid

Length = n

Surface area	1.8772575946049E+14
Volume	1.063821106779E+21
Height	9815340.2729646