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

20996821 (number)

20996821 is an odd 8-digits composite number following 20996820 and preceding 20996822. In scientific notation, it is written as 2.0996821 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 20748000 positive integers (up to 20996821) that are relatively prime to 20996821.

Interesting facts

20996821 has 8 divisors, whose sum is 21247488
The reverse of 20996821 is 12869902
Previous prime number is 211

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1

Name

Name	twenty million nine hundred ninety-six thousand eight hundred twenty-one

Notation

Scientific notation	2.0996821 × 10^7
Engineering notation	2.0996821 × 10^6

Prime Factorization of 20996821

Prime Factorization 191 × 211 × 521

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20996821	Product of the distinct prime numbers

The prime factorization of 20996821 is 191 × 211 × 521. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 8, 90, 92, 751, 515, 4960, 4818, 72286, 78125, 566387, 966734, 6209708, 9076406, 32761391, 9710354, 307526737, 50647917, 4522313678, 360494685

Basic calculations (n = 20996821)

Multiplication

n×y

n×2	41993642
n×3	62990463
n×4	83987284
n×5	104984105

Division

n÷y

n÷2	10498410.5
n÷3	6998940.3333333
n÷3	5249205.25
n÷5	4199364.2

Exponentiation

n^y

n²	440866492106041
n³	9.2567948196485E+21
n⁴	1.9436326386189E+29
n⁵	4.0810106602838E+36

Nth Root

^y√n

²√n	4582.2288244914
³√n	275.87849531658
⁴√n	67.692162208718
⁵√n	29.136052376959

Divisors of 20996821

1, 191, 211, 521, 40301, 99511, 109931, 20996821

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	-20996820	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 20996821 can be divided by 8 positive divisors. The sum of these divisors (counting 20996821) is 1, the average is 0.125.

Base conversion 20996821

Base	System	Value
2	Binary	1010000000110001011010101
3	Ternary	1110111202020001
4	Quaternary	1100012023111
5	Quinary	20333344241
6	Senary	2030011301
8	Octal	120061325
10	Decimal	20996821
12	Duodecimal	7046b31
16	Hexadecimal	14062d5
20	Vigesimal	6b4c11
36	Base36	ci191

Cryptographic Hash Functions

md5	b7278b27e4355280d86a96fb87ec1b9f
sha1	8a6c026138cb11c3062112c8c4d8e4edd43406c3
sha256	4d49882eaac38a7ad25ec63faa2e4ccc05432f4e56b5243803ab283c63946cd8
sha512	bc45de6cd3e4075d102e62c72ddde57db71004ed737ef4c9ed4f1a378858f1f40fdf5db15fa5de7b49381a7d4037d1200e16db1d3b8fd6df7fc78cc24336c9c4
ripemd-160	34f03832f18baec25b75b2fb13a7d48cc3613a7c

20996821 as geometric shapes

Circle

Radius = n

Diameter	41993642
Circumference	131926917.20468
Area	1.3850229328142E+15

Sphere

Radius = n

Volume	3.8774771468261E+22
Surface area	5.540091731257E+15
Circumference	131926917.20468

Square

Length = n

Perimeter	83987284
Area	440866492106041
Diagonal	29693989.02492

Cube

Length = n

Surface area	2645198952636246
Volume	9.2567948196485E+21
Space diagonal	36367560.769429

Equilateral Triangle

Length = n

Perimeter	62990463
Area	1.9090079092058E+14
Altitude	18183780.384715

Triangular Pyramid

Length = n

Surface area	1.9090079092058E+14
Volume	1.0909237315043E+21
Height	9897996.3416401