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

18989938 (number)

18989938 is an even 8-digits composite number following 18989937 and preceding 18989939. In scientific notation, it is written as 1.8989938 × 10^7. The sum of its digits is 55. It has a total of 3 prime factors and 8 positive divisors. There are 8631780 positive integers (up to 18989938) that are relatively prime to 18989938.

Interesting facts

18989938 has 8 divisors, whose sum is 31074480
The reverse of 18989938 is 83998981
Previous prime number is 11

Basic properties

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

Name

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

Notation

Scientific notation	1.8989938 × 10^7
Engineering notation	1.8989938 × 10^6

Prime Factorization of 18989938

Prime Factorization 2 × 11 × 863179

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	18989938	Product of the distinct prime numbers

The prime factorization of 18989938 is 2 × 11 × 863179. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 4, 74, 86, 55, 57, 5015, 2799, 87278, 49965, 338662, 243157, 6311887, 750850, 76204708, 7306733, 90855945, 963257207, 7665209550, 3951526616

Basic calculations (n = 18989938)

Multiplication

n×y

n×2	37979876
n×3	56969814
n×4	75959752
n×5	94949690

Division

n÷y

n÷2	9494969
n÷3	6329979.3333333
n÷3	4747484.5
n÷5	3797987.6

Exponentiation

n^y

n²	360617745243844
n³	6.8481086238804E+21
n⁴	1.3004515818475E+29
n⁵	2.4695494911287E+36

Nth Root

^y√n

²√n	4357.7446001343
³√n	266.79305224339
⁴√n	66.013215344614
⁵√n	28.556482370346

Divisors of 18989938

1, 2, 11, 22, 863179, 1726358, 9494969, 18989938

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	-18989937	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 18989938 can be divided by 8 positive divisors. The sum of these divisors (counting 18989938) is 1, the average is 0.125.

Base conversion 18989938

Base	System	Value
2	Binary	1001000011100001101110010
3	Ternary	1022201210022001
4	Quaternary	1020130031302
5	Quinary	14330134223
6	Senary	1515004214
8	Octal	110341562
10	Decimal	18989938
12	Duodecimal	643966a
16	Hexadecimal	121c372
20	Vigesimal	5idegi
36	Base36	bb0qa

Cryptographic Hash Functions

md5	9c491741694663ca3f36f805cce70d7a
sha1	55824e189ba334e4b5f07827c07e3fe6e77a87a7
sha256	bc5a6bf84c6652208dbf956e324431c7c6c88ef79f42b0b9b3f0f3c525c97414
sha512	572ba65bfa9b995753546bea957a6e0f74e66ee3d40411aa9e456e25d49e9631a3e1432ec6a22eb913362e88475d483a557733c451f84257fbc7f64e15fdfe54
ripemd-160	cadfff490509d6a490b3ce8f2d9d3d849de6f98e

18989938 as geometric shapes

Circle

Radius = n

Diameter	37979876
Circumference	119317299.42585
Area	1.1329140592122E+15

Sphere

Radius = n

Volume	2.8685290325023E+22
Surface area	4.5316562368487E+15
Circumference	119317299.42585

Square

Length = n

Perimeter	75959752
Area	360617745243844
Diagonal	26855827.868224

Cube

Length = n

Surface area	2163706471463064
Volume	6.8481086238804E+21
Space diagonal	32891537.448583

Equilateral Triangle

Length = n

Perimeter	56969814
Area	1.5615206421832E+14
Altitude	16445768.724291

Triangular Pyramid

Length = n

Surface area	1.5615206421832E+14
Volume	8.0705734104132E+20
Height	8951942.6227414