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

21461909 (number)

21461909 is an odd 8-digits composite number following 21461908 and preceding 21461910. In scientific notation, it is written as 2.1461909 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors. There are 18094824 positive integers (up to 21461909) that are relatively prime to 21461909.

Interesting facts

21461909 has 12 divisors, whose sum is 24935904
The reverse of 21461909 is 90916412
Previous prime number is 67

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5

Name

Name	twenty-one million four hundred sixty-one thousand nine hundred nine

Notation

Scientific notation	2.1461909 × 10^7
Engineering notation	2.1461909 × 10^6

Prime Factorization of 21461909

Prime Factorization 7 × 67 × 67 × 683

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	320327	Product of the distinct prime numbers

The prime factorization of 21461909 is 7 × 67 × 67 × 683. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 9, 29, 9, 484, 184, 2589, 9383, 69956, 14336, 887438, 989916, 511398, 8491402, 79656402, 99806666, 57232209, 605556947, 8591196362, 2649748091

Basic calculations (n = 21461909)

Multiplication

n×y

n×2	42923818
n×3	64385727
n×4	85847636
n×5	107309545

Division

n÷y

n÷2	10730954.5
n÷3	7153969.6666667
n÷3	5365477.25
n÷5	4292381.8

Exponentiation

n^y

n²	460613537924281
n³	9.885645835099E+21
n⁴	2.1216483131912E+29
n⁵	4.5534623027714E+36

Nth Root

^y√n

²√n	4632.6999687008
³√n	277.90057776977
⁴√n	68.063940296612
⁵√n	29.263998766028

Divisors of 21461909

1, 7, 67, 469, 683, 4489, 4781, 31423, 45761, 320327, 3065987, 21461909

12 divisors

τ	Total Divisors	12	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21461908	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.083333333333333	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	12	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21461909 can be divided by 12 positive divisors. The sum of these divisors (counting 21461909) is 1, the average is 0.083333333333333.

Base conversion 21461909

Base	System	Value
2	Binary	1010001110111101110010101
3	Ternary	1111101101012112
4	Quaternary	1101313232111
5	Quinary	20443240114
6	Senary	2044000405
8	Octal	121675625
10	Decimal	21461909
12	Duodecimal	7230105
16	Hexadecimal	1477b95
20	Vigesimal	6e2ef9
36	Base36	cs045

Cryptographic Hash Functions

md5	2972aafcba29372264a8795c206827d2
sha1	628b21a248aae35b022cfb2d3c9ef78fbf5ed5dc
sha256	a5e17b7e7983932a498f599138cff920c591e8688b35cb0115597c3328e4f585
sha512	1748841edf7d50ac266d35d0310ce2b003e3dfaa39251b4efe991a156ba6cde4a22dcb3e85824152bc5bb5a8518caef85852f7a8121c2b2233de69563aac9c92
ripemd-160	ddb32649324d2d86feb54d04d23b82bf703480ef

21461909 as geometric shapes

Circle

Radius = n

Diameter	42923818
Circumference	134849151.29283
Area	1.4470601068869E+15

Sphere

Radius = n

Volume	4.140889644205E+22
Surface area	5.7882404275477E+15
Circumference	134849151.29283

Square

Length = n

Perimeter	85847636
Area	460613537924281
Diagonal	30351722.782217

Cube

Length = n

Surface area	2763681227545686
Volume	9.885645835099E+21
Space diagonal	37173116.81542

Equilateral Triangle

Length = n

Perimeter	64385727
Area	1.9945151258473E+14
Altitude	18586558.40771

Triangular Pyramid

Length = n

Surface area	1.9945151258473E+14
Volume	1.1650345344012E+21
Height	10117240.927406