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

21542493 (number)

21542493 is an odd 8-digits composite number following 21542492 and preceding 21542494. In scientific notation, it is written as 2.1542493 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 12100656 positive integers (up to 21542493) that are relatively prime to 21542493.

Interesting facts

21542493 has 8 divisors, whose sum is 22952160
The reverse of 21542493 is 39424512
Previous prime number is 59

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3

Name

Name	twenty-one million five hundred forty-two thousand four hundred ninety-three

Notation

Scientific notation	2.1542493 × 10^7
Engineering notation	2.1542493 × 10^6

Prime Factorization of 21542493

Prime Factorization 21 × 59 × 17387

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21542493	Product of the distinct prime numbers

The prime factorization of 21542493 is 21 × 59 × 17387. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 8, 46, 68, 165, 634, 417, 9871, 93764, 70196, 344059, 310110, 9544023, 8111667, 60894337, 21112276, 871692883, 121832493, 1186928386, 1066464843

Basic calculations (n = 21542493)

Multiplication

n×y

n×2	43084986
n×3	64627479
n×4	86169972
n×5	107712465

Division

n÷y

n÷2	10771246.5
n÷3	7180831
n÷3	5385623.25
n÷5	4308498.6

Exponentiation

n^y

n²	464079004655049
n³	9.9974187092284E+21
n⁴	2.1536932256162E+29
n⁵	4.6395921236985E+36

Nth Root

^y√n

²√n	4641.3891239585
³√n	278.24795864398
⁴√n	68.127741221609
⁵√n	29.285941606654

Divisors of 21542493

1, 21, 59, 1239, 17387, 365127, 1025833, 21542493

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	-21542492	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 21542493 can be divided by 8 positive divisors. The sum of these divisors (counting 21542493) is 1, the average is 0.125.

Base conversion 21542493

Base	System	Value
2	Binary	1010010001011011001011101
3	Ternary	1111112110202010
4	Quaternary	1102023121131
5	Quinary	21003324433
6	Senary	2045421433
8	Octal	122133135
10	Decimal	21542493
12	Duodecimal	726a879
16	Hexadecimal	148b65d
20	Vigesimal	6ecg4d
36	Base36	ctqal

Cryptographic Hash Functions

md5	9ac5ad8a7f967baa9c3ef639332601a7
sha1	e770b65decbfe8b6608624f646f761a6a2093d3d
sha256	41bcc989a363de70a2096d43011680bc483ca917f3292643a50b4b3cb2124d41
sha512	9d6688b2c464eb6e2fe013e67b01925673c8835df9620ceb500bf792efaeee31727476c5eb161d529f5c8f006cb813100298a07ee1252e5091f67aac03447f4d
ripemd-160	753d507e644cb2ed335bf2560a083b333c458ba0

21542493 as geometric shapes

Circle

Radius = n

Diameter	43084986
Circumference	135355475.49762
Area	1.4579471917096E+15

Sphere

Radius = n

Volume	4.1877089562364E+22
Surface area	5.8317887668383E+15
Circumference	135355475.49762

Square

Length = n

Perimeter	86169972
Area	464079004655049
Diagonal	30465685.767927

Cube

Length = n

Surface area	2784474027930294
Volume	9.9974187092284E+21
Space diagonal	37312692.397697

Equilateral Triangle

Length = n

Perimeter	64627479
Area	2.0095210369713E+14
Altitude	18656346.198848

Triangular Pyramid

Length = n

Surface area	2.0095210369713E+14
Volume	1.1782070939428E+21
Height	10155228.589309