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

18993982 (number)

18993982 is an even 8-digits composite number following 18993981 and preceding 18993983. In scientific notation, it is written as 1.8993982 × 10^7. The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors. There are 8140272 positive integers (up to 18993982) that are relatively prime to 18993982.

Interesting facts

18993982 has 8 divisors, whose sum is 32561136
The reverse of 18993982 is 28939981
Previous prime number is 7

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4

Name

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

Notation

Scientific notation	1.8993982 × 10^7
Engineering notation	1.8993982 × 10^6

Prime Factorization of 18993982

Prime Factorization 2 × 7 × 1356713

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	18993982	Product of the distinct prime numbers

The prime factorization of 18993982 is 2 × 7 × 1356713. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 4, 100, 74, 192, 470, 3749, 2956, 27274, 97427, 476699, 884393, 3453432, 862009, 93153044, 71589421, 702682241, 192063126, 7145179240, 5773171057

Basic calculations (n = 18993982)

Multiplication

n×y

n×2	37987964
n×3	56981946
n×4	75975928
n×5	94969910

Division

n÷y

n÷2	9496991
n÷3	6331327.3333333
n÷3	4748495.5
n÷5	3798796.4

Exponentiation

n^y

n²	360771352216324
n³	6.8524845701125E+21
n⁴	1.3015596857999E+29
n⁵	2.472180124401E+36

Nth Root

^y√n

²√n	4358.208576927
³√n	266.8119891935
⁴√n	66.016729523106
⁵√n	28.557698515222

Divisors of 18993982

1, 2, 7, 14, 1356713, 2713426, 9496991, 18993982

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-18993981	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18993982 can be divided by 8 positive divisors. The sum of these divisors (counting 18993982) is 1, the average is 0.125.

Base conversion 18993982

Base	System	Value
2	Binary	1001000011101001100111110
3	Ternary	1022201222211211
4	Quaternary	1020131030332
5	Quinary	14330301412
6	Senary	1515035034
8	Octal	110351476
10	Decimal	18993982
12	Duodecimal	643ba7a
16	Hexadecimal	121d33e
20	Vigesimal	5ie4j2
36	Base36	bb3um

Cryptographic Hash Functions

md5	6ce07d58622efc3bdb2ba4ea5ea19644
sha1	6521e03be63b4ad1498a02e383b9885e904a220d
sha256	f025ef78bae3889063a594082dd9b1903a7515107583fa853ce53421ba899444
sha512	00389d41a65f6f41a6a2c26b3557ca57c8c4479898286f7d16766d53d7984bd663afaf5a2a87492a26c1da03726b71fbda6a8d958a4792c73a4d653245bcf75e
ripemd-160	1d71245e1edb92d7077d7446ce84617a105d97cf

18993982 as geometric shapes

Circle

Radius = n

Diameter	37987964
Circumference	119342708.62723
Area	1.1333966297485E+15

Sphere

Radius = n

Volume	2.8703620245737E+22
Surface area	4.5335865189938E+15
Circumference	119342708.62723

Square

Length = n

Perimeter	75975928
Area	360771352216324
Diagonal	26861546.94787

Cube

Length = n

Surface area	2164628113297944
Volume	6.8524845701125E+21
Space diagonal	32898541.862049

Equilateral Triangle

Length = n

Perimeter	56981946
Area	1.562185779885E+14
Altitude	16449270.931024

Triangular Pyramid

Length = n

Surface area	1.562185779885E+14
Volume	8.0757305125046E+20
Height	8953848.9826235