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

2018993981 (number)

2018993981 is an odd 10-digits composite number following 2018993980 and preceding 2018993982. In scientific notation, it is written as 2.018993981 × 10^9. The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors. There are 1931211612 positive integers (up to 2018993981) that are relatively prime to 2018993981.

Interesting facts

2018993981 has 4 divisors, whose sum is 2106776352
The reverse of 2018993981 is 1893998102
Previous prime number is 23

Basic properties

Is Prime? no
Number parity odd
Number length 10
Sum of Digits 50
Digital Root 5

Name

Name	two billion eighteen million nine hundred ninety-three thousand nine hundred eighty-one

Notation

Scientific notation	2.018993981 × 10^9
Engineering notation	2.018993981 × 10^9

Prime Factorization of 2018993981

Prime Factorization 23 × 87782347

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	2018993981	Product of the distinct prime numbers

The prime factorization of 2018993981 is 23 × 87782347. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 7, 34, 77, 275, 504, 2847, 729, 99854, 3182, 123363, 164869, 1556377, 8663332, 42208644, 50095181, 813351824, 84314203, 6492412429, 988789061

Basic calculations (n = 2018993981)

Multiplication

n×y

n×2	4037987962
n×3	6056981943
n×4	8075975924
n×5	10094969905

Division

n÷y

n÷2	1009496990.5
n÷3	672997993.66667
n÷3	504748495.25
n÷5	403798796.2

Exponentiation

n^y

n²	4076336695314228361
n³	8.2300992523689E+27
n⁴	1.6616520853565E+37
n⁵	3.3548655588509E+46

Nth Root

^y√n

²√n	44933.216900195
³√n	1263.8969759689
⁴√n	211.97456663523
⁵√n	72.615110880213

Divisors of 2018993981

1, 23, 87782347, 2018993981

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	-2018993980	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 2018993981 can be divided by 4 positive divisors. The sum of these divisors (counting 2018993981) is 1, the average is 0.25.

Base conversion 2018993981

Base	System	Value
2	Binary	1111000010101110110011100111101
3	Ternary	12012201002112001212
4	Quaternary	1320111312130331
5	Quinary	13113330301411
6	Senary	532202014205
8	Octal	17025663475
10	Decimal	2018993981
12	Duodecimal	4841a7365
16	Hexadecimal	7857673d
20	Vigesimal	1baie4j1
36	Base36	xe21q5

Cryptographic Hash Functions

md5	914c55d9a8cc9300f5c33088c2b9c5cf
sha1	7b21d74a2ebb4d3c3c6e02f763d4c5a51e1d5da9
sha256	c71ebb93e7080f06638a769726ce0b2982055b42aa4f3bf4ddb8f435c86a0383
sha512	49091bad5be8e26a28a25f312e63c7a00b0e171577e87cd02f9f5763dbe67012730fed22f946bf0a2ffcc1621e5409eacf24400280b65116346394d1d4ddd01c
ripemd-160	a295bbd79c595387a0dabcca8973ad50e0918701

2018993981 as geometric shapes

Circle

Radius = n

Diameter	4037987962
Circumference	12685713316.703
Area	1.2806189415558E+19

Sphere

Radius = n

Volume	3.4474159132742E+28
Surface area	5.1224757662231E+19
Circumference	12685713316.703

Square

Length = n

Perimeter	8075975924
Area	4076336695314228361
Diagonal	2855288670.2798

Cube

Length = n

Surface area	2.4458020171885E+19
Volume	8.2300992523689E+27
Space diagonal	3497000155.2678

Equilateral Triangle

Length = n

Perimeter	6056981943
Area	1.7651055662604E+18
Altitude	1748500077.6339

Triangular Pyramid

Length = n

Surface area	1.7651055662604E+18
Volume	9.6992649853139E+26
Height	951762890.09328