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

18981366 (number)

18981366 is an even 8-digits composite number following 18981365 and preceding 18981367. In scientific notation, it is written as 1.8981366 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 6327120 positive integers (up to 18981366) that are relatively prime to 18981366.

Interesting facts

18981366 has 8 divisors, whose sum is 37962744
The reverse of 18981366 is 66318981
Previous prime number is 3

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6

Name

Name	eighteen million nine hundred eighty-one thousand three hundred sixty-six

Notation

Scientific notation	1.8981366 × 10^7
Engineering notation	1.8981366 × 10^6

Prime Factorization of 18981366

Prime Factorization 2 × 3 × 3163561

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	18981366	Product of the distinct prime numbers

The prime factorization of 18981366 is 2 × 3 × 3163561. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 5, 23, 24, 4, 167, 8193, 2861, 61833, 10811, 594581, 600898, 3339737, 350958, 54236908, 82686051, 332568169, 73213915, 4619842819, 872952896

Basic calculations (n = 18981366)

Multiplication

n×y

n×2	37962732
n×3	56944098
n×4	75925464
n×5	94906830

Division

n÷y

n÷2	9490683
n÷3	6327122
n÷3	4745341.5
n÷5	3796273.2

Exponentiation

n^y

n²	360292255225956
n³	6.8388391634093E+21
n⁴	1.2981050917581E+29
n⁵	2.4639807853123E+36

Nth Root

^y√n

²√n	4356.760952818
³√n	266.75290301212
⁴√n	66.005764542334
⁵√n	28.553903842947

Divisors of 18981366

1, 2, 3, 6, 3163561, 6327122, 9490683, 18981366

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	-18981365	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 18981366 can be divided by 8 positive divisors. The sum of these divisors (counting 18981366) is 1, the average is 0.125.

Base conversion 18981366

Base	System	Value
2	Binary	1001000011010000111110110
3	Ternary	1022201100112120
4	Quaternary	1020122013312
5	Quinary	14324400431
6	Senary	1514500410
8	Octal	110320766
10	Decimal	18981366
12	Duodecimal	6434706
16	Hexadecimal	121a1f6
20	Vigesimal	5icd86
36	Base36	bau46

Cryptographic Hash Functions

md5	065285237c749d62b429b52bd3cdfe94
sha1	3893be8bacd68c86bc8da64ed25a681ab4a64ad6
sha256	fd89148f6469091c484d010380e333684702546d520f03f53e00a30d43f82fd7
sha512	b2cd637e002ccbcab1761ac1f159c1ab3699fe725b3a411cb2d3783b894dde6474b29a5c9c42f537aa9c76eaafd81c7ebd00f0371ada218b2b3255b1ca4a7045
ripemd-160	4216d89dd917931b982ed00e7a9c847ae242d74c

18981366 as geometric shapes

Circle

Radius = n

Diameter	37962732
Circumference	119263439.9614
Area	1.1318915021632E+15

Sphere

Radius = n

Volume	2.8646462499798E+22
Surface area	4.5275660086526E+15
Circumference	119263439.9614

Square

Length = n

Perimeter	75925464
Area	360292255225956
Diagonal	26843705.229568

Cube

Length = n

Surface area	2161753531355736
Volume	6.8388391634093E+21
Space diagonal	32876690.30906

Equilateral Triangle

Length = n

Perimeter	56944098
Area	1.5601112290623E+14
Altitude	16438345.15453

Triangular Pyramid

Length = n

Surface area	1.5601112290623E+14
Volume	8.0596492464847E+20
Height	8947901.7431892