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

21490421 (number)

21490421 is an odd 8-digits composite number following 21490420 and preceding 21490422. In scientific notation, it is written as 2.1490421 × 10^7. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 20306608 positive integers (up to 21490421) that are relatively prime to 21490421.

Interesting facts

21490421 has 8 divisors, whose sum is 22705920
The reverse of 21490421 is 12409412
Previous prime number is 47

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5

Name

Name	twenty-one million four hundred ninety thousand four hundred twenty-one

Notation

Scientific notation	2.1490421 × 10^7
Engineering notation	2.1490421 × 10^6

Prime Factorization of 21490421

Prime Factorization 29 × 47 × 15767

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21490421	Product of the distinct prime numbers

The prime factorization of 21490421 is 29 × 47 × 15767. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 1, 36, 80, 932, 327, 4138, 3399, 90428, 64264, 395450, 86489, 315179, 6952610, 84401991, 13240867, 400230431, 541860027, 8981085878, 9354928402

Basic calculations (n = 21490421)

Multiplication

n×y

n×2	42980842
n×3	64471263
n×4	85961684
n×5	107452105

Division

n÷y

n÷2	10745210.5
n÷3	7163473.6666667
n÷3	5372605.25
n÷5	4298084.2

Exponentiation

n^y

n²	461838194757241
n³	9.9250972392131E+21
n⁴	2.1329451813663E+29
n⁵	4.5837889917483E+36

Nth Root

^y√n

²√n	4635.7762025361
³√n	278.0235863224
⁴√n	68.086534663883
⁵√n	29.271770042117

Divisors of 21490421

1, 29, 47, 1363, 15767, 457243, 741049, 21490421

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21490420	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21490421 can be divided by 8 positive divisors. The sum of these divisors (counting 21490421) is 1, the average is 0.125.

Base conversion 21490421

Base	System	Value
2	Binary	1010001111110101011110101
3	Ternary	1111102211022112
4	Quaternary	1101332223311
5	Quinary	21000143141
6	Senary	2044340405
8	Octal	121765365
10	Decimal	21490421
12	Duodecimal	7244705
16	Hexadecimal	147eaf5
20	Vigesimal	6e6611
36	Base36	csm45

Cryptographic Hash Functions

md5	39760ca6598308261fdd89d16a8b618b
sha1	655381b48e591d514991f2a60d61624c48809c12
sha256	339b39221d1908ab8368c50cda098a562a361b2f03a6fe032fd121f6824883ec
sha512	396e65d4fec24c8bb0b9305df1d62c4e8366ca1a937d5465798a54c23e284905c10a579948c886590b4ba3ca8387ee50d6ca75c755053ec73e0c687c721c84fe
ripemd-160	1220978a1ac93ff0788cba7f8228e09f38356b0e

21490421 as geometric shapes

Circle

Radius = n

Diameter	42980842
Circumference	135028297.4723
Area	1.4509074797965E+15

Sphere

Radius = n

Volume	4.1574150097168E+22
Surface area	5.8036299191861E+15
Circumference	135028297.4723

Square

Length = n

Perimeter	85961684
Area	461838194757241
Diagonal	30392044.839308

Cube

Length = n

Surface area	2771029168543446
Volume	9.9250972392131E+21
Space diagonal	37222501.048045

Equilateral Triangle

Length = n

Perimeter	64471263
Area	1.9998180454886E+14
Altitude	18611250.524023

Triangular Pyramid

Length = n

Surface area	1.9998180454886E+14
Volume	1.1696839269639E+21
Height	10130681.613103