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

21491924 (number)

21491924 is an even 8-digits composite number following 21491923 and preceding 21491925. In scientific notation, it is written as 2.1491924 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors. There are 10543104 positive integers (up to 21491924) that are relatively prime to 21491924.

Interesting facts

21491924 has 12 divisors, whose sum is 38320884
The reverse of 21491924 is 42919412
Previous prime number is 53

Basic properties

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

Name

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

Notation

Scientific notation	2.1491924 × 10^7
Engineering notation	2.1491924 × 10^6

Prime Factorization of 21491924

Prime Factorization 2 × 2 × 53 × 101377

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	10745962	Product of the distinct prime numbers

The prime factorization of 21491924 is 2 × 2 × 53 × 101377. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 5, 61, 55, 477, 607, 1485, 4000, 43756, 72340, 494579, 124037, 1319542, 7621331, 99515656, 20368567, 468393184, 965907325, 7175917403, 7011246919

Basic calculations (n = 21491924)

Multiplication

n×y

n×2	42983848
n×3	64475772
n×4	85967696
n×5	107459620

Division

n÷y

n÷2	10745962
n÷3	7163974.6666667
n÷3	5372981
n÷5	4298384.8

Exponentiation

n^y

n²	461902797221776
n³	9.9271798132778E+21
n⁴	2.133541940813E+29
n⁵	4.5853921242766E+36

Nth Root

^y√n

²√n	4635.9383084765
³√n	278.03006765516
⁴√n	68.087725094003
⁵√n	29.272179473274

Divisors of 21491924

1, 2, 4, 53, 106, 212, 101377, 202754, 405508, 5372981, 10745962, 21491924

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	-21491923	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 21491924 can be divided by 12 positive divisors. The sum of these divisors (counting 21491924) is 1, the average is 0.083333333333333.

Base conversion 21491924

Base	System	Value
2	Binary	1010001111111000011010100
3	Ternary	1111102220101012
4	Quaternary	1101333003110
5	Quinary	21000220144
6	Senary	2044351352
8	Octal	121770324
10	Decimal	21491924
12	Duodecimal	7245558
16	Hexadecimal	147f0d4
20	Vigesimal	6e69g4
36	Base36	csn9w

Cryptographic Hash Functions

md5	b3fe8d42977be2ae247f3bbbb55c6d51
sha1	cbac648d4f269444688331dd17ae7e687a34b0d6
sha256	d78d2958df6eb5c4ee8c5888ad685c195dab82ec79b4a792ab5583e7f4da5dcb
sha512	95c2aec63ec2a02ba977dfb467aeab7c473b9ef6b979ac1af14d815999ea6073acccde926353882129070bcdabf9e53175fe0ac6d9625f50f6371b99abd720ce
ripemd-160	69be387e2d2d86706e423c89bb1fe6edc85f9ef3

21491924 as geometric shapes

Circle

Radius = n

Diameter	42983848
Circumference	135037741.09982
Area	1.4511104344245E+15

Sphere

Radius = n

Volume	4.1582873563011E+22
Surface area	5.804441737698E+15
Circumference	135037741.09982

Square

Length = n

Perimeter	85967696
Area	461902797221776
Diagonal	30394170.402292

Cube

Length = n

Surface area	2771416783330656
Volume	9.9271798132778E+21
Space diagonal	37225104.320409

Equilateral Triangle

Length = n

Perimeter	64475772
Area	2.0000977823658E+14
Altitude	18612552.160204

Triangular Pyramid

Length = n

Surface area	2.0000977823658E+14
Volume	1.1699293606712E+21
Height	10131390.134097