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

21491275 (number)

21491275 is an odd 8-digits composite number following 21491274 and preceding 21491276. In scientific notation, it is written as 2.1491275 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 15671040 positive integers (up to 21491275) that are relatively prime to 21491275.

Interesting facts

21491275 has 16 divisors, whose sum is 24373440
The reverse of 21491275 is 57219412
Previous prime number is 89

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 seventy-five

Notation

Scientific notation	2.1491275 × 10^7
Engineering notation	2.1491275 × 10^6

Prime Factorization of 21491275

Prime Factorization 13 × 25 × 89 × 743

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	21491275	Product of the distinct prime numbers

The prime factorization of 21491275 is 13 × 25 × 89 × 743. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 6, 17, 19, 447, 438, 2331, 7449, 35360, 20814, 670890, 205121, 1417178, 3180844, 52496321, 36873053, 68574997, 764497691, 8271348574, 1116680471

Basic calculations (n = 21491275)

Multiplication

n×y

n×2	42982550
n×3	64473825
n×4	85965100
n×5	107456375

Division

n÷y

n÷2	10745637.5
n÷3	7163758.3333333
n÷3	5372818.75
n÷5	4298255

Exponentiation

n^y

n²	461874901125625
n³	9.9262805156886E+21
n⁴	2.1332842428981E+29
n⁵	4.5846998317289E+36

Nth Root

^y√n

²√n	4635.8683113307
³√n	278.02726903291
⁴√n	68.087211070293
⁵√n	29.272002682458

Divisors of 21491275

1, 13, 25, 89, 325, 743, 1157, 2225, 9659, 18575, 28925, 66127, 241475, 859651, 1653175, 21491275

16 divisors

τ	Total Divisors	16	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21491274	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.0625	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	16	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21491275 can be divided by 16 positive divisors. The sum of these divisors (counting 21491275) is 1, the average is 0.0625.

Base conversion 21491275

Base	System	Value
2	Binary	1010001111110111001001011
3	Ternary	1111102212111011
4	Quaternary	1101332321023
5	Quinary	21000210100
6	Senary	2044344351
8	Octal	121767113
10	Decimal	21491275
12	Duodecimal	72450b7
16	Hexadecimal	147ee4b
20	Vigesimal	6e683f
36	Base36	csmrv

Cryptographic Hash Functions

md5	8775268bc050cb7af98bd5d5ff5c56a1
sha1	4ade0d4d72708753c38f8980f2c2e5e7e96bb9e9
sha256	5ddf67fcc595201bd00510162fd5847465fb305b30efe0bdca803c2a9641aed2
sha512	aa181c77710ed25866bb587b4923596986a26d712fad6895728172bd8e076d9522729d7cb2ac3f495b08efc1fd80ce7225be0f6b537ac85b1294e23b101704b5
ripemd-160	64eea88a27715eccb862686eae0c1bab453f8b07

21491275 as geometric shapes

Circle

Radius = n

Diameter	42982550
Circumference	135033663.31256
Area	1.4510227962538E+15

Sphere

Radius = n

Volume	4.1579106594078E+22
Surface area	5.8040911850151E+15
Circumference	135033663.31256

Square

Length = n

Perimeter	85965100
Area	461874901125625
Diagonal	30393252.57769

Cube

Length = n

Surface area	2771249406753750
Volume	9.9262805156886E+21
Space diagonal	37223980.219435

Equilateral Triangle

Length = n

Perimeter	64473825
Area	1.9999769887261E+14
Altitude	18611990.109717

Triangular Pyramid

Length = n

Surface area	1.9999769887261E+14
Volume	1.1698233774339E+21
Height	10131084.192563