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

18742989 (number)

18742989 is an odd 8-digits composite number following 18742988 and preceding 18742990. In scientific notation, it is written as 1.8742989 × 10^7. The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors. There are 12229376 positive integers (up to 18742989) that are relatively prime to 18742989.

Interesting facts

18742989 has 8 divisors, whose sum is 25522560
The reverse of 18742989 is 98924781
Previous prime number is 47

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3

Name

Name	eighteen million seven hundred forty-two thousand nine hundred eighty-nine

Notation

Scientific notation	1.8742989 × 10^7
Engineering notation	1.8742989 × 10^6

Prime Factorization of 18742989

Prime Factorization 3 × 47 × 132929

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	18742989	Product of the distinct prime numbers

The prime factorization of 18742989 is 3 × 47 × 132929. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 5, 98, 38, 967, 154, 5640, 1318, 13962, 96739, 440107, 640008, 8095077, 967061, 22447490, 6416493, 71139554, 713853846, 5028565186, 9446660871

Basic calculations (n = 18742989)

Multiplication

n×y

n×2	37485978
n×3	56228967
n×4	74971956
n×5	93714945

Division

n÷y

n÷2	9371494.5
n÷3	6247663
n÷3	4685747.25
n÷5	3748597.8

Exponentiation

n^y

n²	351299636654121
n³	6.5844052255122E+21
n⁴	1.2341143471332E+29
n⁵	2.3130991633059E+36

Nth Root

^y√n

²√n	4329.3173826829
³√n	265.63152572664
⁴√n	65.79754845496
⁵√n	28.481822138833

Divisors of 18742989

1, 3, 47, 141, 132929, 398787, 6247663, 18742989

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	-18742988	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 18742989 can be divided by 8 positive divisors. The sum of these divisors (counting 18742989) is 1, the average is 0.125.

Base conversion 18742989

Base	System	Value
2	Binary	1000111011111111011001101
3	Ternary	1022021020112210
4	Quaternary	1013133323031
5	Quinary	14244233424
6	Senary	1505421033
8	Octal	107377315
10	Decimal	18742989
12	Duodecimal	633a779
16	Hexadecimal	11dfecd
20	Vigesimal	5h2h99
36	Base36	b5q6l

Cryptographic Hash Functions

md5	ef4bd131959e2ebc9bb65da855b15aaf
sha1	62f3303d4cac673260771e6449068c7f2c41371d
sha256	ed729ad5a571ec42fc90924d0751b1242e01cbbae29cf4c31eb758405a9d6d2a
sha512	e5c586e7c667265322ccdb0f0991eb81f810294ae556472865a4249e5df8957d3812f5e8506ee101398b67601a62518fe66ed52b03fdfc3953bc3be73207afa4
ripemd-160	1079ba177eb67f4fd3455282d5f4bf0a170e9c43

18742989 as geometric shapes

Circle

Radius = n

Diameter	37485978
Circumference	117765673.09743
Area	1.1036403577214E+15

Sphere

Radius = n

Volume	2.758069211297E+22
Surface area	4.4145614308854E+15
Circumference	117765673.09743

Square

Length = n

Perimeter	74971956
Area	351299636654121
Diagonal	26506589.24321

Cube

Length = n

Surface area	2107797819924726
Volume	6.5844052255122E+21
Space diagonal	32463809.233705

Equilateral Triangle

Length = n

Perimeter	56228967
Area	1.5211720484136E+14
Altitude	16231904.616852

Triangular Pyramid

Length = n

Surface area	1.5211720484136E+14
Volume	7.7597959750663E+20
Height	8835529.7477366