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

18992989 (number)

18992989 is an odd 8-digits composite number following 18992988 and preceding 18992990. In scientific notation, it is written as 1.8992989 × 10^7. The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors. There are 17993340 positive integers (up to 18992989) that are relatively prime to 18992989.

Interesting facts

18992989 has 4 divisors, whose sum is 19992640
The reverse of 18992989 is 98929981
Previous prime number is 19

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 55
Digital Root 1

Name

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

Notation

Scientific notation	1.8992989 × 10^7
Engineering notation	1.8992989 × 10^6

Prime Factorization of 18992989

Prime Factorization 19 × 999631

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	18992989	Product of the distinct prime numbers

The prime factorization of 18992989 is 19 × 999631. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 7, 75, 73, 722, 425, 4942, 5109, 30509, 97703, 757316, 55149, 5701721, 919625, 3574583, 25371461, 774485321, 108906978, 6348265698, 4273427493

Basic calculations (n = 18992989)

Multiplication

n×y

n×2	37985978
n×3	56978967
n×4	75971956
n×5	94964945

Division

n÷y

n÷2	9496494.5
n÷3	6330996.3333333
n÷3	4748247.25
n÷5	3798597.8

Exponentiation

n^y

n²	360733631154121
n³	6.8514098884403E+21
n⁴	1.3012875264564E+29
n⁵	2.4715339675823E+36

Nth Root

^y√n

²√n	4358.0946524829
³√n	266.80733949406
⁴√n	66.015866672209
⁵√n	28.557399911299

Divisors of 18992989

1, 19, 999631, 18992989

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	-18992988	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 18992989 can be divided by 4 positive divisors. The sum of these divisors (counting 18992989) is 1, the average is 0.25.

Base conversion 18992989

Base	System	Value
2	Binary	1001000011100111101011101
3	Ternary	1022201221111001
4	Quaternary	1020130331131
5	Quinary	14330233424
6	Senary	1515030301
8	Octal	110347535
10	Decimal	18992989
12	Duodecimal	643b391
16	Hexadecimal	121cf5d
20	Vigesimal	5ie299
36	Base36	bb331

Cryptographic Hash Functions

md5	c044cdf646e4a73e9519f4b33f54226a
sha1	34f85d86cda5af70279a3c8478a1605388027b68
sha256	81419f6f688e6524c5377ab3246ee574bff98a5b11ce2d87eaff4f8a78949566
sha512	057ea4d239e5089872d735ca5b535813d1e7cfa85a94f463b853fb366994317dc98200ed5226327ad57e6c91f4810920e752717927c825dac254801aef0b2fa5
ripemd-160	9eebe992e0d1f563a0ee5427632c37de3838abc8

18992989 as geometric shapes

Circle

Radius = n

Diameter	37985978
Circumference	119336469.42422
Area	1.1332781255366E+15

Sphere

Radius = n

Volume	2.8699118629675E+22
Surface area	4.5331125021462E+15
Circumference	119336469.42422

Square

Length = n

Perimeter	75971956
Area	360733631154121
Diagonal	26860142.633803

Cube

Length = n

Surface area	2164401786924726
Volume	6.8514098884403E+21
Space diagonal	32896821.935597

Equilateral Triangle

Length = n

Perimeter	56978967
Area	1.5620224428944E+14
Altitude	16448410.967798

Triangular Pyramid

Length = n

Surface area	1.5620224428944E+14
Volume	8.0744639880078E+20
Height	8953380.8779343