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

21492281 (number)

21492281 is an odd 8-digits composite number following 21492280 and preceding 21492282. In scientific notation, it is written as 2.1492281 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 20503120 positive integers (up to 21492281) that are relatively prime to 21492281.

Interesting facts

21492281 has 8 divisors, whose sum is 22486464
The reverse of 21492281 is 18229412
Previous prime number is 461

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2

Name

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

Notation

Scientific notation	2.1492281 × 10^7
Engineering notation	2.1492281 × 10^6

Prime Factorization of 21492281

Prime Factorization 23 × 461 × 2027

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21492281	Product of the distinct prime numbers

The prime factorization of 21492281 is 23 × 461 × 2027. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 2, 53, 99, 504, 656, 6570, 1513, 52270, 59463, 619399, 180589, 576343, 1817878, 53490689, 59861377, 125942927, 96955569, 70817745, 7635846091

Basic calculations (n = 21492281)

Multiplication

n×y

n×2	42984562
n×3	64476843
n×4	85969124
n×5	107461405

Division

n÷y

n÷2	10746140.5
n÷3	7164093.6666667
n÷3	5373070.25
n÷5	4298456.2

Exponentiation

n^y

n²	461918142582961
n³	9.9276745193911E+21
n⁴	2.1336837044729E+29
n⁵	4.5857729741653E+36

Nth Root

^y√n

²√n	4635.9768118488
³√n	278.03160708899
⁴√n	68.088007841681
⁵√n	29.272276720022

Divisors of 21492281

1, 23, 461, 2027, 10603, 46621, 934447, 21492281

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	-21492280	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 21492281 can be divided by 8 positive divisors. The sum of these divisors (counting 21492281) is 1, the average is 0.125.

Base conversion 21492281

Base	System	Value
2	Binary	1010001111111001000111001
3	Ternary	1111102220212102
4	Quaternary	1101333020321
5	Quinary	21000223111
6	Senary	2044353145
8	Octal	121771071
10	Decimal	21492281
12	Duodecimal	72457b5
16	Hexadecimal	147f239
20	Vigesimal	6e6ae1
36	Base36	csnjt

Cryptographic Hash Functions

md5	840f01e4afcf47fe20520123ca366ddc
sha1	30d127ba0575bcf4567404330e9e9342bac9dc26
sha256	a31171ff8b0e65736e60aa6853f9600d1fb49957425597f78787ef41a18b89b1
sha512	43b42771702a741fbf0fcb83fddfefb6cb227d4a6ad47d683ce75724b7178c8ff7e8a7bcf25ffb441fcde1d830cf75492ac91acef46078f38e884f1e3396d17b
ripemd-160	cef8b9674116986885730647c747ebada70b72a6

21492281 as geometric shapes

Circle

Radius = n

Diameter	42984562
Circumference	135039984.19697
Area	1.4511586432985E+15

Sphere

Radius = n

Volume	4.1584945783133E+22
Surface area	5.8046345731939E+15
Circumference	135039984.19697

Square

Length = n

Perimeter	85969124
Area	461918142582961
Diagonal	30394675.276534

Cube

Length = n

Surface area	2771508855497766
Volume	9.9276745193911E+21
Space diagonal	37225722.662547

Equilateral Triangle

Length = n

Perimeter	64476843
Area	2.0001642297288E+14
Altitude	18612861.331274

Triangular Pyramid

Length = n

Surface area	2.0001642297288E+14
Volume	1.1699876623457E+21
Height	10131558.425511