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

20996987 (number)

20996987 is an odd 8-digits composite number following 20996986 and preceding 20996988. In scientific notation, it is written as 2.0996987 × 10^7. The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors. There are 19088160 positive integers (up to 20996987) that are relatively prime to 20996987.

Interesting facts

20996987 has 4 divisors, whose sum is 22905816
The reverse of 20996987 is 78969902
Previous prime number is 11

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5

Name

Name	twenty million nine hundred ninety-six thousand nine hundred eighty-seven

Notation

Scientific notation	2.0996987 × 10^7
Engineering notation	2.0996987 × 10^6

Prime Factorization of 20996987

Prime Factorization 11 × 1908817

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20996987	Product of the distinct prime numbers

The prime factorization of 20996987 is 11 × 1908817. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 1, 66, 28, 649, 161, 2348, 797, 53548, 25179, 778248, 604217, 971551, 9712996, 42947309, 11843436, 551193282, 199893046, 7783015678, 3266132449

Basic calculations (n = 20996987)

Multiplication

n×y

n×2	41993974
n×3	62990961
n×4	83987948
n×5	104984935

Division

n÷y

n÷2	10498493.5
n÷3	6998995.6666667
n÷3	5249246.75
n÷5	4199397.4

Exponentiation

n^y

n²	440873463078169
n³	9.2570143728973E+21
n⁴	1.9436941044654E+29
n⁵	4.0811719843436E+36

Nth Root

^y√n

²√n	4582.2469379116
³√n	275.87922234267
⁴√n	67.692296001182
⁵√n	29.136098446499

Divisors of 20996987

1, 11, 1908817, 20996987

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	-20996986	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 20996987 can be divided by 4 positive divisors. The sum of these divisors (counting 20996987) is 1, the average is 0.25.

Base conversion 20996987

Base	System	Value
2	Binary	1010000000110001101111011
3	Ternary	1110111202110012
4	Quaternary	1100012031323
5	Quinary	20333400422
6	Senary	2030012135
8	Octal	120061573
10	Decimal	20996987
12	Duodecimal	704704b
16	Hexadecimal	140637b
20	Vigesimal	6b4c97
36	Base36	ci1dn

Cryptographic Hash Functions

md5	729a5d848376cb169776ccd75170d4d6
sha1	a90b2ef15c4eef1d8ae7127678afd9315bb6d8c3
sha256	49e73cbe3d40003eec6ce4117b25202475c52b80f9ca3b71d1f06fd606750d72
sha512	abfc44150c28142c7bd94545b180335af8b2868af86bf22d3a386ca761bab8c2462daf7c128f93d19aa2fc3a9422153929b5c1a18090799af12af7914a0d8cc0
ripemd-160	92c0ab9b17cc6f0f4807762ac5ee344f3cf6e9ac

20996987 as geometric shapes

Circle

Radius = n

Diameter	41993974
Circumference	131927960.21344
Area	1.3850448327691E+15

Sphere

Radius = n

Volume	3.8775691130759E+22
Surface area	5.5401793310763E+15
Circumference	131927960.21344

Square

Length = n

Perimeter	83987948
Area	440873463078169
Diagonal	29694223.784372

Cube

Length = n

Surface area	2645240778469014
Volume	9.2570143728973E+21
Space diagonal	36367848.289863

Equilateral Triangle

Length = n

Perimeter	62990961
Area	1.9090380944006E+14
Altitude	18183924.144932

Triangular Pyramid

Length = n

Surface area	1.9090380944006E+14
Volume	1.0909496061028E+21
Height	9898074.5947905