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

20997515 (number)

20997515 is an odd 8-digits composite number following 20997514 and preceding 20997516. In scientific notation, it is written as 2.0997515 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 13089120 positive integers (up to 20997515) that are relatively prime to 20997515.

Interesting facts

20997515 has 8 divisors, whose sum is 24433920
The reverse of 20997515 is 51579902
Previous prime number is 7

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2

Name

Name	twenty million nine hundred ninety-seven thousand five hundred fifteen

Notation

Scientific notation	2.0997515 × 10^7
Engineering notation	2.0997515 × 10^6

Prime Factorization of 20997515

Prime Factorization 55 × 7 × 54539

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20997515	Product of the distinct prime numbers

The prime factorization of 20997515 is 55 × 7 × 54539. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 2, 93, 26, 425, 683, 2821, 4587, 90799, 57944, 102293, 951338, 3083254, 1479680, 15990292, 64943685, 423635935, 60097229, 5599513283, 6319453615

Basic calculations (n = 20997515)

Multiplication

n×y

n×2	41995030
n×3	62992545
n×4	83990060
n×5	104987575

Division

n÷y

n÷2	10498757.5
n÷3	6999171.6666667
n÷3	5249378.75
n÷5	4199503

Exponentiation

n^y

n²	440895636175225
n³	9.2577127340238E+21
n⁴	1.9438896199836E+29
n⁵	4.0816851453949E+36

Nth Root

^y√n

²√n	4582.3045512056
³√n	275.88153478569
⁴√n	67.692721552658
⁵√n	29.136244979001

Divisors of 20997515

1, 7, 55, 385, 54539, 381773, 2999645, 20997515

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	-20997514	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 20997515 can be divided by 8 positive divisors. The sum of these divisors (counting 20997515) is 1, the average is 0.125.

Base conversion 20997515

Base	System	Value
2	Binary	1010000000110010110001011
3	Ternary	1110111210011202
4	Quaternary	1100012112023
5	Quinary	20333410030
6	Senary	2030014415
8	Octal	120062613
10	Decimal	20997515
12	Duodecimal	704740b
16	Hexadecimal	140658b
20	Vigesimal	6b4dff
36	Base36	ci1sb

Cryptographic Hash Functions

md5	f941ba2450bd247b89f7e6d2b0e57809
sha1	0071f1e59afedc99d201f34eb36e2cfaab447240
sha256	52a75fbd17f14bfbbbdcb5038f86bff8663fb05396cc55a5f750dd0b85d11a41
sha512	1f79a3a55cf1bc3b8476d09976a0584366d6d753714cb7f0e8f7cb03457e0709a647d23a6c033865873e0bde1f69c7d10c7c86e1d6382f35903acd00ae493c34
ripemd-160	c414f6a01258aa01528274df04c17fa88a07a657

20997515 as geometric shapes

Circle

Radius = n

Diameter	41995030
Circumference	131931277.73528
Area	1.3851144916079E+15

Sphere

Radius = n

Volume	3.8778616419005E+22
Surface area	5.5404579664315E+15
Circumference	131931277.73528

Square

Length = n

Perimeter	83990060
Area	440895636175225
Diagonal	29694970.489133

Cube

Length = n

Surface area	2645373817051350
Volume	9.2577127340238E+21
Space diagonal	36368762.81269

Equilateral Triangle

Length = n

Perimeter	62992545
Area	1.9091341067272E+14
Altitude	18184381.406345

Triangular Pyramid

Length = n

Surface area	1.9091341067272E+14
Volume	1.0910319087509E+21
Height	9898323.4963775