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

21481211 (number)

21481211 is an odd 8-digits composite number following 21481210 and preceding 21481212. In scientific notation, it is written as 2.1481211 × 10^7. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 20985120 positive integers (up to 21481211) that are relatively prime to 21481211.

Interesting facts

21481211 has 8 divisors, whose sum is 21982224
The reverse of 21481211 is 11218412
Previous prime number is 61

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2

Name

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

Notation

Scientific notation	2.1481211 × 10^7
Engineering notation	2.1481211 × 10^6

Prime Factorization of 21481211

Prime Factorization 157 × 61 × 2243

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21481211	Product of the distinct prime numbers

The prime factorization of 21481211 is 157 × 61 × 2243. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 1, 22, 80, 732, 632, 4540, 1374, 65889, 30305, 802982, 478440, 3929446, 9031314, 98501562, 21789865, 763284549, 263695569, 352330483, 7900485128

Basic calculations (n = 21481211)

Multiplication

n×y

n×2	42962422
n×3	64443633
n×4	85924844
n×5	107406055

Division

n÷y

n÷2	10740605.5
n÷3	7160403.6666667
n÷3	5370302.75
n÷5	4296242.2

Exponentiation

n^y

n²	461442426026521
n³	9.9123421178276E+21
n⁴	2.1292911253724E+29
n⁵	4.5739751944552E+36

Nth Root

^y√n

²√n	4634.7827349294
³√n	277.9838637702
⁴√n	68.07923864828
⁵√n	29.269260652199

Divisors of 21481211

1, 61, 157, 2243, 9577, 136823, 352151, 21481211

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	-21481210	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 21481211 can be divided by 8 positive divisors. The sum of these divisors (counting 21481211) is 1, the average is 0.125.

Base conversion 21481211

Base	System	Value
2	Binary	1010001111100011011111011
3	Ternary	1111102100200102
4	Quaternary	1101330123323
5	Quinary	20444344321
6	Senary	2044230015
8	Octal	121743373
10	Decimal	21481211
12	Duodecimal	723b30b
16	Hexadecimal	147c6fb
20	Vigesimal	6e530b
36	Base36	csf0b

Cryptographic Hash Functions

md5	6250f2e90bdd6b833345370dc736af72
sha1	90980c415ef4499698993f36309f9c90f2b9971f
sha256	3ef34ac6e55f21d2462c71f5a3b3309d7de6626323b69abaa5e6795135b3ba05
sha512	38fa83523696937204afc2e0b6b19d5e57d8e181c89735ac87385955ae8f254345c3c109ccf7f9b3cd188090b14a876b24e88aa425c0c8e804756adbe7021929
ripemd-160	3adba20d65bc666d079c0c64681dbf7b5f278bbb

21481211 as geometric shapes

Circle

Radius = n

Diameter	42962422
Circumference	134970429.33562
Area	1.4496641356596E+15

Sphere

Radius = n

Volume	4.1520721569648E+22
Surface area	5.7986565426383E+15
Circumference	134970429.33562

Square

Length = n

Perimeter	85924844
Area	461442426026521
Diagonal	30379019.932398

Cube

Length = n

Surface area	2768654556159126
Volume	9.9123421178276E+21
Space diagonal	37206548.860107

Equilateral Triangle

Length = n

Perimeter	64443633
Area	1.9981043166144E+14
Altitude	18603274.430054

Triangular Pyramid

Length = n

Surface area	1.9981043166144E+14
Volume	1.1681807214928E+21
Height	10126339.977466