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

21491293 (number)

21491293 is an odd 8-digits composite number following 21491292 and preceding 21491294. In scientific notation, it is written as 2.1491293 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 21445948 positive integers (up to 21491293) that are relatively prime to 21491293.

Interesting facts

21491293 has 4 divisors, whose sum is 21536640
The reverse of 21491293 is 39219412
Previous prime number is 479

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4

Name

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

Notation

Scientific notation	2.1491293 × 10^7
Engineering notation	2.1491293 × 10^6

Prime Factorization of 21491293

Prime Factorization 479 × 44867

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21491293	Product of the distinct prime numbers

The prime factorization of 21491293 is 479 × 44867. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 2, 28, 66, 942, 218, 9002, 95, 16153, 16925, 914974, 440968, 6168897, 8249181, 36670679, 33868652, 501572591, 526689494, 2921037298, 1171611430

Basic calculations (n = 21491293)

Multiplication

n×y

n×2	42982586
n×3	64473879
n×4	85965172
n×5	107456465

Division

n÷y

n÷2	10745646.5
n÷3	7163764.3333333
n÷3	5372823.25
n÷5	4298258.6

Exponentiation

n^y

n²	461875674811849
n³	9.9263054569542E+21
n⁴	2.133291389829E+29
n⁵	4.5847190313192E+36

Nth Root

^y√n

²√n	4635.8702527142
³√n	278.02734665339
⁴√n	68.087225326886
⁵√n	29.272007585804

Divisors of 21491293

1, 479, 44867, 21491293

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	-21491292	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 21491293 can be divided by 4 positive divisors. The sum of these divisors (counting 21491293) is 1, the average is 0.25.

Base conversion 21491293

Base	System	Value
2	Binary	1010001111110111001011101
3	Ternary	1111102212111211
4	Quaternary	1101332321131
5	Quinary	21000210133
6	Senary	2044344421
8	Octal	121767135
10	Decimal	21491293
12	Duodecimal	7245111
16	Hexadecimal	147ee5d
20	Vigesimal	6e684d
36	Base36	csmsd

Cryptographic Hash Functions

md5	f085bbcdeec4930c0ff1ced42373207b
sha1	f0c0826a80c4ad9655db8d0512e9be49c4896f63
sha256	3ed7adb7091e684fb589c198fca34b92eeb96633af7e9bc5fe8c74b57304ded2
sha512	b61f9b55d815f4bd0bf0bbc96ebcd5d95a0b58975597491721efd263ff88c0987bd63e70e9a6fa67978499d228dabbeab7fa6d5fb4629d5065da77d687b535c1
ripemd-160	3afb1c3e127fd86ab9b62191a01a2a8386bf9912

21491293 as geometric shapes

Circle

Radius = n

Diameter	42982586
Circumference	135033776.40989
Area	1.4510252268607E+15

Sphere

Radius = n

Volume	4.1579211067807E+22
Surface area	5.8041009074429E+15
Circumference	135033776.40989

Square

Length = n

Perimeter	85965172
Area	461875674811849
Diagonal	30393278.033534

Cube

Length = n

Surface area	2771254048871094
Volume	9.9263054569542E+21
Space diagonal	37224011.396349

Equilateral Triangle

Length = n

Perimeter	64473879
Area	1.9999803388857E+14
Altitude	18612005.698175

Triangular Pyramid

Length = n

Surface area	1.9999803388857E+14
Volume	1.1698263167902E+21
Height	10131092.677845