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

21493541 (number)

21493541 is an odd 8-digits composite number following 21493540 and preceding 21493542. In scientific notation, it is written as 2.1493541 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 20362284 positive integers (up to 21493541) that are relatively prime to 21493541.

Interesting facts

21493541 has 4 divisors, whose sum is 22624800
The reverse of 21493541 is 14539412
Previous prime number is 19

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-three thousand five hundred forty-one

Notation

Scientific notation	2.1493541 × 10^7
Engineering notation	2.1493541 × 10^6

Prime Factorization of 21493541

Prime Factorization 19 × 1131239

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21493541	Product of the distinct prime numbers

The prime factorization of 21493541 is 19 × 1131239. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 4, 18, 49, 501, 273, 1255, 651, 26713, 40754, 417999, 806854, 547287, 5766635, 6947120, 51369334, 981342815, 199716582, 8463177646, 8062823128

Basic calculations (n = 21493541)

Multiplication

n×y

n×2	42987082
n×3	64480623
n×4	85974164
n×5	107467705

Division

n÷y

n÷2	10746770.5
n÷3	7164513.6666667
n÷3	5373385.25
n÷5	4298708.2

Exponentiation

n^y

n²	461972304718681
n³	9.9294206723355E+21
n⁴	2.1341841032709E+29
n⁵	4.5871173525201E+36

Nth Root

^y√n

²√n	4636.1127035481
³√n	278.0370402486
⁴√n	68.089005746509
⁵√n	29.272619933512

Divisors of 21493541

1, 19, 1131239, 21493541

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	-21493540	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 21493541 can be divided by 4 positive divisors. The sum of these divisors (counting 21493541) is 1, the average is 0.25.

Base conversion 21493541

Base	System	Value
2	Binary	1010001111111011100100101
3	Ternary	1111102222121002
4	Quaternary	1101333130211
5	Quinary	21000243131
6	Senary	2044403045
8	Octal	121773445
10	Decimal	21493541
12	Duodecimal	7246485
16	Hexadecimal	147f725
20	Vigesimal	6e6dh1
36	Base36	csoit

Cryptographic Hash Functions

md5	db6b484a5f728dcc80eaceb740ab80b8
sha1	29c45e7c557e4b102c57402e02233b2843a6de36
sha256	3d9a16f806d13bb4614622ec6b5b31124389900aaa57f64e4776d74b455cd480
sha512	126517b875a640bff8452cda8a80d59f75848cf3921f7b64cdaf975436ce250c15107067d7d24b51e4c341718ab404f01c3bdbfad3db9da61d13d18fc3424fc7
ripemd-160	c72286b64d4eb9cd74955d8f83f30a3848bcf5d9

21493541 as geometric shapes

Circle

Radius = n

Diameter	42987082
Circumference	135047901.01046
Area	1.4513287986662E+15

Sphere

Radius = n

Volume	4.1592260051482E+22
Surface area	5.8053151946646E+15
Circumference	135047901.01046

Square

Length = n

Perimeter	85974164
Area	461972304718681
Diagonal	30396457.185622

Cube

Length = n

Surface area	2771833828312086
Volume	9.9294206723355E+21
Space diagonal	37227905.046565

Equilateral Triangle

Length = n

Perimeter	64480623
Area	2.0003987586561E+14
Altitude	18613952.523282

Triangular Pyramid

Length = n

Surface area	2.0003987586561E+14
Volume	1.1701934484437E+21
Height	10132152.395207