19981489 (number)

19981489 is an odd 8-digits composite number following 19981488 and preceding 19981490. In scientific notation, it is written as 1.9981489 × 10^7. The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors. There are 18076800 positive integers (up to 19981489) that are relatively prime to 19981489.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred eighty-one thousand four hundred eighty-nine

Notation

Scientific notation 1.9981489 × 10^7
Engineering notation 1.9981489 × 10^6

Prime Factorization of 19981489

Prime Factorization 11 × 211 × 8609

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 19981489
Product of the distinct prime numbers

The prime factorization of 19981489 is 11 × 211 × 8609. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19981489)

Multiplication

n×y
n×2 39962978
n×3 59944467
n×4 79925956
n×5 99907445

Division

n÷y
n÷2 9990744.5
n÷3 6660496.3333333
n÷3 4995372.25
n÷5 3996297.8

Exponentiation

ny
n2 399259902657121
n3 7.9778073530843E+21
n4 1.5940846986977E+29
n5 3.1852185872097E+36

Nth Root

y√n
2√n 4470.0658831834
3√n 271.35799150218
4√n 66.858551309338
5√n 28.848654976048

Divisors of 19981489

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 -19981488
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 19981489 can be divided by 8 positive divisors. The sum of these divisors (counting 19981489) is 1, the average is 0.125.

Base conversion 19981489

Base System Value
2 Binary 1001100001110010010110001
3 Ternary 1101121011110011
4 Quaternary 1030032102301
5 Quinary 20103401424
6 Senary 1552134521
8 Octal 114162261
10 Decimal 19981489
12 Duodecimal 6837441
16 Hexadecimal 130e4b1
20 Vigesimal 64hde9
36 Base36 bw9td

Cryptographic Hash Functions

md5 eae6490c760bb04372b3c36998bcc5d2
sha1 8915e8a3158e0201a281a1484ad65785ee5170b4
sha256 7ec1f52e217971f002396f2acdb24f332a10945b41f4961f954cd07491f75353
sha512 26519f9b95b1fa0b0d7bd050c1b2c2ba1e6d0a23184983db6907c619486dc0fb2f0e5ad794bc77793d46d1d8a6c017ecc993f1b61f00ae949ed438a15a95a0f6
ripemd-160 3157f945b42ea10330767e98800f8683a3982e42

19981489 as geometric shapes

Circle

Radius = n
Diameter 39962978
Circumference 125547398.10037
Area 1.2543119770606E+15

Sphere

Radius = n
Volume 3.3417361296272E+22
Surface area 5.0172479082423E+15
Circumference 125547398.10037

Square

Length = n
Perimeter 79925956
Area 399259902657121
Diagonal 28258092.740209

Cube

Length = n
Surface area 2395559415942726
Volume 7.9778073530843E+21
Space diagonal 34608954.158879

Equilateral Triangle

Length = n
Perimeter 59944467
Area 1.7288460920678E+14
Altitude 17304477.079439

Triangular Pyramid

Length = n
Surface area 1.7288460920678E+14
Volume 9.4019361306097E+20
Height 9419364.2467363