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

21492481 (number)

21492481 is an odd 8-digits composite number following 21492480 and preceding 21492482. In scientific notation, it is written as 2.1492481 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 21189700 positive integers (up to 21492481) that are relatively prime to 21492481.

Interesting facts

21492481 has 4 divisors, whose sum is 21795264
The reverse of 21492481 is 18429412
Previous prime number is 71

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4

Name

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

Notation

Scientific notation	2.1492481 × 10^7
Engineering notation	2.1492481 × 10^6

Prime Factorization of 21492481

Prime Factorization 71 × 302711

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21492481	Product of the distinct prime numbers

The prime factorization of 21492481 is 71 × 302711. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 7, 95, 68, 855, 122, 2266, 6472, 34817, 46820, 307273, 948727, 9165210, 9490978, 20625775, 93015563, 835705439, 821878229, 7563744968, 7865856989

Basic calculations (n = 21492481)

Multiplication

n×y

n×2	42984962
n×3	64477443
n×4	85969924
n×5	107462405

Division

n÷y

n÷2	10746240.5
n÷3	7164160.3333333
n÷3	5373120.25
n÷5	4298496.2

Exponentiation

n^y

n²	461926739535361
n³	9.9279516728557E+21
n⁴	2.1337631269777E+29
n⁵	4.5859863465069E+36

Nth Root

^y√n

²√n	4635.9983822258
³√n	278.03246950945
⁴√n	68.088166242202
⁵√n	29.272331199429

Divisors of 21492481

1, 71, 302711, 21492481

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	-21492480	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 21492481 can be divided by 4 positive divisors. The sum of these divisors (counting 21492481) is 1, the average is 0.25.

Base conversion 21492481

Base	System	Value
2	Binary	1010001111111001100000001
3	Ternary	1111102221010211
4	Quaternary	1101333030001
5	Quinary	21000224411
6	Senary	2044354121
8	Octal	121771401
10	Decimal	21492481
12	Duodecimal	7245941
16	Hexadecimal	147f301
20	Vigesimal	6e6b41
36	Base36	csnpd

Cryptographic Hash Functions

md5	42e1926d6d130aaba7a6caf04d9af10b
sha1	9219b7cb63a192e2c594de816f30792d199f716d
sha256	cd0c96972cfa45d5a532e5e846c3d3dbf20bd9b59ec2d2973e2e56c88b35b3e0
sha512	a38aed2ea5c3f71cf71bcebc5803b4d413e8a76759419a90ea79fd038be847526ff6a1a85c8323d2fff951c2a878bbdd0de71465f0c4b88b144c565b550f6572
ripemd-160	11637b2169e6bc77f9f3a8a9a75ff1245d26fd10

21492481 as geometric shapes

Circle

Radius = n

Diameter	42984962
Circumference	135041240.83404
Area	1.451185651421E+15

Sphere

Radius = n

Volume	4.1586106720851E+22
Surface area	5.8047426056839E+15
Circumference	135041240.83404

Square

Length = n

Perimeter	85969924
Area	461926739535361
Diagonal	30394958.119246

Cube

Length = n

Surface area	2771560437212166
Volume	9.9279516728557E+21
Space diagonal	37226069.072709

Equilateral Triangle

Length = n

Perimeter	64477443
Area	2.0002014556247E+14
Altitude	18613034.536354

Triangular Pyramid

Length = n

Surface area	2.0002014556247E+14
Volume	1.1700203251948E+21
Height	10131652.706415