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

20991013 (number)

20991013 is an odd 8-digits composite number following 20991012 and preceding 20991014. In scientific notation, it is written as 2.0991013 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 20976768 positive integers (up to 20991013) that are relatively prime to 20991013.

Interesting facts

20991013 has 4 divisors, whose sum is 21005260
The reverse of 20991013 is 31019902
Previous prime number is 1669

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7

Name

Name	twenty million nine hundred ninety-one thousand thirteen

Notation

Scientific notation	2.0991013 × 10^7
Engineering notation	2.0991013 × 10^6

Prime Factorization of 20991013

Prime Factorization 1669 × 12577

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20991013	Product of the distinct prime numbers

The prime factorization of 20991013 is 1669 × 12577. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 1, 79, 47, 112, 441, 5949, 7073, 98808, 18235, 769194, 627733, 2997349, 4582249, 84655577, 32657547, 788110691, 236030021, 8839919096, 2408447382

Basic calculations (n = 20991013)

Multiplication

n×y

n×2	41982026
n×3	62973039
n×4	83964052
n×5	104955065

Division

n÷y

n÷2	10495506.5
n÷3	6997004.3333333
n÷3	5247753.25
n÷5	4198202.6

Exponentiation

n^y

n²	440622626766169
n³	9.2491152865428E+21
n⁴	1.9414829921832E+29
n⁵	4.0753694728196E+36

Nth Root

^y√n

²√n	4581.5950279351
³√n	275.85305575024
⁴√n	67.687480584929
⁵√n	29.134440314648

Divisors of 20991013

1, 1669, 12577, 20991013

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20991012	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20991013 can be divided by 4 positive divisors. The sum of these divisors (counting 20991013) is 1, the average is 0.25.

Base conversion 20991013

Base	System	Value
2	Binary	1010000000100110000100101
3	Ternary	1110111110020221
4	Quaternary	1100010300211
5	Quinary	20333203023
6	Senary	2025524341
8	Octal	120046045
10	Decimal	20991013
12	Duodecimal	70436b1
16	Hexadecimal	1404c25
20	Vigesimal	6b3had
36	Base36	chwrp

Cryptographic Hash Functions

md5	8c8a0c8ec0a43784a101481ae2f24f9d
sha1	db3cbbf94b82a566550501f06b2156f8001dc69e
sha256	7c0a571892f64dc72acf7b38bb056aa8a271e47c3242e8d5d1032d2429700dba
sha512	36678900f8434207fff54ed41506c41344c25c258b4744cfd23ac7289a56a201a31e9a8e4bfd70133544b2292af3bab248d447d456201d91291db75f440f8e56
ripemd-160	ecba05471e485a5b9ccdd4821ff307d0fbd7dbe2

20991013 as geometric shapes

Circle

Radius = n

Diameter	41982026
Circumference	131890424.46442
Area	1.384256807254E+15

Sphere

Radius = n

Volume	3.8742603515211E+22
Surface area	5.5370272290161E+15
Circumference	131890424.46442

Square

Length = n

Perimeter	83964052
Area	440622626766169
Diagonal	29685775.27255

Cube

Length = n

Surface area	2643735760597014
Volume	9.2491152865428E+21
Space diagonal	36357501.018339

Equilateral Triangle

Length = n

Perimeter	62973039
Area	1.9079519413087E+14
Altitude	18178750.509169

Triangular Pyramid

Length = n

Surface area	1.9079519413087E+14
Volume	1.0900186898484E+21
Height	9895258.4241833