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

21491036 (number)

21491036 is an even 8-digits composite number following 21491035 and preceding 21491037. In scientific notation, it is written as 2.1491036 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 12 positive divisors. There are 9210432 positive integers (up to 21491036) that are relatively prime to 21491036.

Interesting facts

21491036 has 12 divisors, whose sum is 42982128
The reverse of 21491036 is 63019412
Previous prime number is 7

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8

Name

Name	twenty-one million four hundred ninety-one thousand thirty-six

Notation

Scientific notation	2.1491036 × 10^7
Engineering notation	2.1491036 × 10^6

Prime Factorization of 21491036

Prime Factorization 2 × 2 × 7 × 767537

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	10745518	Product of the distinct prime numbers

The prime factorization of 21491036 is 2 × 2 × 7 × 767537. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 1, 72, 2, 529, 850, 4170, 7474, 63033, 50977, 960922, 937759, 6573332, 1728452, 67778487, 76017833, 974690102, 278153192, 7154127851, 8796121855

Basic calculations (n = 21491036)

Multiplication

n×y

n×2	42982072
n×3	64473108
n×4	85964144
n×5	107455180

Division

n÷y

n÷2	10745518
n÷3	7163678.6666667
n÷3	5372759
n÷5	4298207.2

Exponentiation

n^y

n²	461864628353296
n³	9.9259493550673E+21
n⁴	2.1331893492393E+29
n⁵	4.5844449099318E+36

Nth Root

^y√n

²√n	4635.8425339953
³√n	278.02623840127
⁴√n	68.087021773575
⁵√n	29.271937576597

Divisors of 21491036

1, 2, 4, 7, 14, 28, 767537, 1535074, 3070148, 5372759, 10745518, 21491036

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	-21491035	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 21491036 can be divided by 12 positive divisors. The sum of these divisors (counting 21491036) is 1, the average is 0.083333333333333.

Base conversion 21491036

Base	System	Value
2	Binary	1010001111110110101011100
3	Ternary	1111102212011022
4	Quaternary	1101332311130
5	Quinary	21000203121
6	Senary	2044343312
8	Octal	121766534
10	Decimal	21491036
12	Duodecimal	7244b38
16	Hexadecimal	147ed5c
20	Vigesimal	6e67bg
36	Base36	csml8

Cryptographic Hash Functions

md5	6ce1bd7e3af1de5a810c90f3a95b2b78
sha1	9dfd0919544f4b41f66f6992cfabf20183db266b
sha256	865484a0f710f136da993915c50f9514fa18762097385011d1e8f5e808adc85d
sha512	b9b56b2b6c3d60e46bcba6c61f30f3a36def08bf0422c1b365ab972cd6be27b4396f2e0db47a874e5c1d84f0c3a1d8b5ef2e6c1e4ca928da570aba45247993f6
ripemd-160	d7d0a776d467302bc4a953493260beda5244f713

21491036 as geometric shapes

Circle

Radius = n

Diameter	42982072
Circumference	135032161.63127
Area	1.4509905233877E+15

Sphere

Radius = n

Volume	4.1577719431712E+22
Surface area	5.8039620935508E+15
Circumference	135032161.63127

Square

Length = n

Perimeter	85964144
Area	461864628353296
Diagonal	30392914.580648

Cube

Length = n

Surface area	2771187770119776
Volume	9.9259493550673E+21
Space diagonal	37223566.259292

Equilateral Triangle

Length = n

Perimeter	64473108
Area	1.9999325063171E+14
Altitude	18611783.129646

Triangular Pyramid

Length = n

Surface area	1.9999325063171E+14
Volume	1.1697843497804E+21
Height	10130971.526883