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

20118981 (number)

20118981 is an odd 8-digits composite number following 20118980 and preceding 20118982. In scientific notation, it is written as 2.0118981 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 13412652 positive integers (up to 20118981) that are relatively prime to 20118981.

Interesting facts

20118981 has 4 divisors, whose sum is 26825312
The reverse of 20118981 is 18981102
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3

Name

Name	twenty million one hundred eighteen thousand nine hundred eighty-one

Notation

Scientific notation	2.0118981 × 10^7
Engineering notation	2.0118981 × 10^6

Prime Factorization of 20118981

Prime Factorization 3 × 6706327

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20118981	Product of the distinct prime numbers

The prime factorization of 20118981 is 3 × 6706327. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 6, 61, 97, 127, 642, 1167, 7752, 96617, 97467, 251406, 566349, 7814785, 9772374, 62132587, 69921704, 63019566, 464713585, 7610392489, 4748649755

Basic calculations (n = 20118981)

Multiplication

n×y

n×2	40237962
n×3	60356943
n×4	80475924
n×5	100594905

Division

n÷y

n÷2	10059490.5
n÷3	6706327
n÷3	5029745.25
n÷5	4023796.2

Exponentiation

n^y

n²	404773396478361
n³	8.1436282730536E+21
n⁴	1.6384150249663E+29
n⁵	3.2963240757411E+36

Nth Root

^y√n

²√n	4485.4187095521
³√n	271.97897130537
⁴√n	66.973268619294
⁵√n	28.888247489838

Divisors of 20118981

1, 3, 6706327, 20118981

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	-20118980	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 20118981 can be divided by 4 positive divisors. The sum of these divisors (counting 20118981) is 1, the average is 0.25.

Base conversion 20118981

Base	System	Value
2	Binary	1001100101111110111000101
3	Ternary	1101212011001110
4	Quaternary	1030233313011
5	Quinary	20122301411
6	Senary	1555115233
8	Octal	114576705
10	Decimal	20118981
12	Duodecimal	68a2b19
16	Hexadecimal	132fdc5
20	Vigesimal	65eh91
36	Base36	bz7wl

Cryptographic Hash Functions

md5	5c3ea44be60d05ce2a40821ba35703e7
sha1	092c33ab636f78552bed801af756f0450360736b
sha256	f8a941e619f4299ec0feaf3abddf75a72df652496fb86bce980bf627e4108cff
sha512	ccfe95561171bc164afc39583f595ac5b79f9707dcae1559535baa8c4347300e7642a91444449f21f8e130b22560b336823495972ab88b61dc2e75264fb5fa3a
ripemd-160	5134575e836e35b8417ed64d63366564bdf3fef5

20118981 as geometric shapes

Circle

Radius = n

Diameter	40237962
Circumference	126411285.81463
Area	1.271633128745E+15

Sphere

Radius = n

Volume	3.4111950341588E+22
Surface area	5.08653251498E+15
Circumference	126411285.81463

Square

Length = n

Perimeter	80475924
Area	404773396478361
Diagonal	28452535.791327

Cube

Length = n

Surface area	2428640378870166
Volume	8.1436282730536E+21
Space diagonal	34847097.288513

Equilateral Triangle

Length = n

Perimeter	60356943
Area	1.7527202206319E+14
Altitude	17423548.644256

Triangular Pyramid

Length = n

Surface area	1.7527202206319E+14
Volume	9.5973579588978E+20
Height	9484178.5971089