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

21493791 (number)

21493791 is an odd 8-digits composite number following 21493790 and preceding 21493792. In scientific notation, it is written as 2.1493791 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 12949200 positive integers (up to 21493791) that are relatively prime to 21493791.

Interesting facts

21493791 has 8 divisors, whose sum is 21840000
The reverse of 21493791 is 19739412
Previous prime number is 199

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9

Name

Name	twenty-one million four hundred ninety-three thousand seven hundred ninety-one

Notation

Scientific notation	2.1493791 × 10^7
Engineering notation	2.1493791 × 10^6

Prime Factorization of 21493791

Prime Factorization 99 × 199 × 1091

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21493791	Product of the distinct prime numbers

The prime factorization of 21493791 is 99 × 199 × 1091. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 6, 92, 86, 775, 782, 2954, 4919, 83957, 58338, 832125, 885245, 9008991, 7380324, 8947501, 68691453, 633549918, 683442991, 6270229279, 6870146419

Basic calculations (n = 21493791)

Multiplication

n×y

n×2	42987582
n×3	64481373
n×4	85975164
n×5	107468955

Division

n÷y

n÷2	10746895.5
n÷3	7164597
n÷3	5373447.75
n÷5	4298758.2

Exponentiation

n^y

n²	461983051551681
n³	9.9297671555941E+21
n⁴	2.13428339921E+29
n⁵	4.587384131739E+36

Nth Root

^y√n

²√n	4636.1396657133
³√n	278.03811823121
⁴√n	68.089203738282
⁵√n	29.272688029513

Divisors of 21493791

1, 99, 199, 1091, 19701, 108009, 217109, 21493791

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	-21493790	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 21493791 can be divided by 8 positive divisors. The sum of these divisors (counting 21493791) is 1, the average is 0.125.

Base conversion 21493791

Base	System	Value
2	Binary	1010001111111100000011111
3	Ternary	1111102222221100
4	Quaternary	1101333200133
5	Quinary	21000300131
6	Senary	2044404143
8	Octal	121774037
10	Decimal	21493791
12	Duodecimal	7246653
16	Hexadecimal	147f81f
20	Vigesimal	6e6e9b
36	Base36	csopr

Cryptographic Hash Functions

md5	96a5f019eda66dfeb93274690c363195
sha1	58b9234b7d24863e2907e78f7bb0a6ef36392505
sha256	75fab06819b00abae1d8475071299e75f015f44ca001502820c750a9f71569a4
sha512	65c05185f251ee9a102cd4814c90a0fa2e1d926adbcfabed88b60564e44aed4425f5d4f98024a3171affd508d310e0e2b13237abee215df8c6938966ba60b74e
ripemd-160	bba4c5eaad0c42b32466a4e89128c870f0a7cf9f

21493791 as geometric shapes

Circle

Radius = n

Diameter	42987582
Circumference	135049471.80679
Area	1.4513625608378E+15

Sphere

Radius = n

Volume	4.1593711397162E+22
Surface area	5.805450243351E+15
Circumference	135049471.80679

Square

Length = n

Perimeter	85975164
Area	461983051551681
Diagonal	30396810.739013

Cube

Length = n

Surface area	2771898309310086
Volume	9.9297671555941E+21
Space diagonal	37228338.059267

Equilateral Triangle

Length = n

Perimeter	64481373
Area	2.0004452938081E+14
Altitude	18614169.029633

Triangular Pyramid

Length = n

Surface area	2.0004452938081E+14
Volume	1.1702342818873E+21
Height	10132270.246338