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

21491453 (number)

21491453 is an odd 8-digits composite number following 21491452 and preceding 21491454. In scientific notation, it is written as 2.1491453 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 20324128 positive integers (up to 21491453) that are relatively prime to 21491453.

Interesting facts

21491453 has 8 divisors, whose sum is 22680000
The reverse of 21491453 is 35419412
Previous prime number is 89

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2

Name

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

Notation

Scientific notation	2.1491453 × 10^7
Engineering notation	2.1491453 × 10^6

Prime Factorization of 21491453

Prime Factorization 23 × 89 × 10499

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21491453	Product of the distinct prime numbers

The prime factorization of 21491453 is 23 × 89 × 10499. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 2, 65, 94, 565, 618, 8345, 331, 18814, 75856, 918204, 365226, 8250217, 8342209, 47360802, 11887308, 814587453, 662950778, 5568420844, 4537962055

Basic calculations (n = 21491453)

Multiplication

n×y

n×2	42982906
n×3	64474359
n×4	85965812
n×5	107457265

Division

n÷y

n÷2	10745726.5
n÷3	7163817.6666667
n÷3	5372863.25
n÷5	4298290.6

Exponentiation

n^y

n²	461882552051209
n³	9.9265271589286E+21
n⁴	2.1333549188934E+29
n⁵	4.5848896971716E+36

Nth Root

^y√n

²√n	4635.8875094204
³√n	278.02803661133
⁴√n	68.087352051761
⁵√n	29.272051170965

Divisors of 21491453

1, 23, 89, 2047, 10499, 241477, 934411, 21491453

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	-21491452	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 21491453 can be divided by 8 positive divisors. The sum of these divisors (counting 21491453) is 1, the average is 0.125.

Base conversion 21491453

Base	System	Value
2	Binary	1010001111110111011111101
3	Ternary	1111102212201202
4	Quaternary	1101332323331
5	Quinary	21000211303
6	Senary	2044345245
8	Octal	121767375
10	Decimal	21491453
12	Duodecimal	7245225
16	Hexadecimal	147eefd
20	Vigesimal	6e68cd
36	Base36	csmwt

Cryptographic Hash Functions

md5	76b4bd6204a6a8446525ed203764c55e
sha1	6228c56abd1413b9f58787cb38bf30368e701e79
sha256	52633da207966c5a4be26604cf32c839dce99ef6691edc550c2777f6f937c03e
sha512	415bcfdc44439de95ac1157f79d932d31de282a6de73fc4f9908daf415bf629cb5a970c20aafad02853d1ad8ffae23a93e48e83d0417053802e2c459a28231a7
ripemd-160	5bcfa2a996c72763d5a69903f2ff590b5786e129

21491453 as geometric shapes

Circle

Radius = n

Diameter	42982906
Circumference	135034781.71954
Area	1.4510468323454E+15

Sphere

Radius = n

Volume	4.1580139730866E+22
Surface area	5.8041873293815E+15
Circumference	135034781.71954

Square

Length = n

Perimeter	85965812
Area	461882552051209
Diagonal	30393504.307704

Cube

Length = n

Surface area	2771295312307254
Volume	9.9265271589286E+21
Space diagonal	37224288.524479

Equilateral Triangle

Length = n

Perimeter	64474359
Area	2.0000101182057E+14
Altitude	18612144.262239

Triangular Pyramid

Length = n

Surface area	2.0000101182057E+14
Volume	1.1698524446185E+21
Height	10131168.102568