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

18989813 (number)

18989813 is an odd 8-digits composite number following 18989812 and preceding 18989814. In scientific notation, it is written as 1.8989813 × 10^7. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 18940608 positive integers (up to 18989813) that are relatively prime to 18989813.

Interesting facts

18989813 has 4 divisors, whose sum is 19039020
The reverse of 18989813 is 31898981
Previous prime number is 389

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2

Name

Name	eighteen million nine hundred eighty-nine thousand eight hundred thirteen

Notation

Scientific notation	1.8989813 × 10^7
Engineering notation	1.8989813 × 10^6

Prime Factorization of 18989813

Prime Factorization 389 × 48817

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	18989813	Product of the distinct prime numbers

The prime factorization of 18989813 is 389 × 48817. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 3, 47, 66, 839, 424, 9570, 8776, 62521, 88571, 176043, 190589, 7033907, 7405358, 47610182, 80979390, 395666432, 124159535, 2210362700, 1609011048

Basic calculations (n = 18989813)

Multiplication

n×y

n×2	37979626
n×3	56969439
n×4	75959252
n×5	94949065

Division

n÷y

n÷2	9494906.5
n÷3	6329937.6666667
n÷3	4747453.25
n÷5	3797962.6

Exponentiation

n^y

n²	360612997774969
n³	6.8479733931161E+21
n⁴	1.3004173416425E+29
n⁵	2.4694682139748E+36

Nth Root

^y√n

²√n	4357.7302578292
³√n	266.79246685961
⁴√n	66.013106712449
⁵√n	28.556444776019

Divisors of 18989813

1, 389, 48817, 18989813

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	-18989812	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 18989813 can be divided by 4 positive divisors. The sum of these divisors (counting 18989813) is 1, the average is 0.25.

Base conversion 18989813

Base	System	Value
2	Binary	1001000011100001011110101
3	Ternary	1022201210010102
4	Quaternary	1020130023311
5	Quinary	14330133223
6	Senary	1515003445
8	Octal	110341365
10	Decimal	18989813
12	Duodecimal	6439585
16	Hexadecimal	121c2f5
20	Vigesimal	5idead
36	Base36	bb0mt

Cryptographic Hash Functions

md5	b2a9578374bee363d45e6913061197e6
sha1	b1c59c148534cfb41870ad3c7cc34504047aaeb3
sha256	3db8a340d98cbc7c8ef7a1480016f5030ee96ec03cda0c18363793f68ea62c79
sha512	92fd22001749abd7fc7abd77558e9fe8e81a5e884a1a231ee6e245b2bfffc9814c1b94fa7c927c344bb11f0c9a6990dd142fe6cf618accfc1ab9ab69ae799eea
ripemd-160	b7c2445c4a53ad978eaa36c660be8392df9c346b

18989813 as geometric shapes

Circle

Radius = n

Diameter	37979626
Circumference	119316514.02769
Area	1.1328991445988E+15

Sphere

Radius = n

Volume	2.8684723871722E+22
Surface area	4.5315965783953E+15
Circumference	119316514.02769

Square

Length = n

Perimeter	75959252
Area	360612997774969
Diagonal	26855651.091529

Cube

Length = n

Surface area	2163677986649814
Volume	6.8479733931161E+21
Space diagonal	32891320.942232

Equilateral Triangle

Length = n

Perimeter	56969439
Area	1.5615000850399E+14
Altitude	16445660.471116

Triangular Pyramid

Length = n

Surface area	1.5615000850399E+14
Volume	8.070414039429E+20
Height	8951883.6971763