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

20090981 (number)

20090981 is an odd 8-digits composite number following 20090980 and preceding 20090982. In scientific notation, it is written as 2.0090981 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 20081964 positive integers (up to 20090981) that are relatively prime to 20090981.

Interesting facts

20090981 has 4 divisors, whose sum is 20100000
The reverse of 20090981 is 18909002
Previous prime number is 4999

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2

Name

Name	twenty million ninety thousand nine hundred eighty-one

Notation

Scientific notation	2.0090981 × 10^7
Engineering notation	2.0090981 × 10^6

Prime Factorization of 20090981

Prime Factorization 4999 × 4019

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20090981	Product of the distinct prime numbers

The prime factorization of 20090981 is 4999 × 4019. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 4, 88, 13, 187, 516, 3415, 9433, 11356, 69093, 984433, 265689, 8677476, 1624153, 31470795, 52461807, 597132218, 333107900, 6789939707, 65095050

Basic calculations (n = 20090981)

Multiplication

n×y

n×2	40181962
n×3	60272943
n×4	80363924
n×5	100454905

Division

n÷y

n÷2	10045490.5
n÷3	6696993.6666667
n÷3	5022745.25
n÷5	4018196.2

Exponentiation

n^y

n²	403647517542361
n³	8.1096746056407E+21
n⁴	1.6293131841811E+29
n⁵	3.2734500226432E+36

Nth Root

^y√n

²√n	4482.2963980531
³√n	271.85273981661
⁴√n	66.949954429059
⁵√n	28.8802021361

Divisors of 20090981

1, 4019, 4999, 20090981

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	-20090980	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 20090981 can be divided by 4 positive divisors. The sum of these divisors (counting 20090981) is 1, the average is 0.25.

Base conversion 20090981

Base	System	Value
2	Binary	1001100101001000001100101
3	Ternary	1101210201122102
4	Quaternary	1030221001211
5	Quinary	20120402411
6	Senary	1554341445
8	Octal	114510145
10	Decimal	20090981
12	Duodecimal	688a885
16	Hexadecimal	1329065
20	Vigesimal	65b791
36	Base36	bymat

Cryptographic Hash Functions

md5	473a31ad9b936cca347ffde7adac0683
sha1	f679ff3ce3c955b786192f018edbec0141e28163
sha256	631ae6f3d2afcaeab1111e57f5e4183cfaeba51b84919f54ebd4682bbd7f34a1
sha512	1fa75693e56ac93a80ca24a6623ba2e90103828c2c9cfaa2d575272283c67f3df7305b5658577a16249b0ac9f7e02d64ab7ccd17082be646ea9a18c7a541eec2
ripemd-160	1d949b8dcbc729a254f49fc9e00a5b0392540e2a

20090981 as geometric shapes

Circle

Radius = n

Diameter	40181962
Circumference	126235356.62602
Area	1.2680960757508E+15

Sphere

Radius = n

Volume	3.3969725552113E+22
Surface area	5.0723843030034E+15
Circumference	126235356.62602

Square

Length = n

Perimeter	80363924
Area	403647517542361
Diagonal	28412937.81158

Cube

Length = n

Surface area	2421885105254166
Volume	8.1096746056407E+21
Space diagonal	34798599.865901

Equilateral Triangle

Length = n

Perimeter	60272943
Area	1.747845021831E+14
Altitude	17399299.93295

Triangular Pyramid

Length = n

Surface area	1.747845021831E+14
Volume	9.5573431781082E+20
Height	9470979.2705267