1998999729 (number)

1998999729 is an odd 10-digits composite number following 1998999728 and preceding 1998999730. In scientific notation, it is written as 1.998999729 × 10^9. The sum of its digits is 72. It has a total of 4 prime factors and 16 positive divisors. There are 1331980416 positive integers (up to 1998999729) that are relatively prime to 1998999729.

Interesting facts

Basic properties

Name

Name one billion nine hundred ninety-eight million nine hundred ninety-nine thousand seven hundred twenty-nine

Notation

Scientific notation 1.998999729 × 10^9
Engineering notation 1.998999729 × 10^9

Prime Factorization of 1998999729

Prime Factorization 3 × 27 × 10313 × 2393

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1998999729
Product of the distinct prime numbers

The prime factorization of 1998999729 is 3 × 27 × 10313 × 2393. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1998999729)

Multiplication

n×y
n×2 3997999458
n×3 5996999187
n×4 7995998916
n×5 9994998645

Division

n÷y
n÷2 999499864.5
n÷3 666333243
n÷3 499749932.25
n÷5 399799945.8

Exponentiation

ny
n2 3995999916542073441
n3 7.9880027502516E+27
n4 1.5968015333004E+37
n5 3.1920058323343E+46

Nth Root

y√n
2√n 44710.174781586
3√n 1259.7109711203
4√n 211.44780628227
5√n 72.470715156199

Divisors of 1998999729

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1998999728
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1998999729 can be divided by 16 positive divisors. The sum of these divisors (counting 1998999729) is 1, the average is 0.0625.

Base conversion 1998999729

Base System Value
2 Binary 1110111001001100101000010110001
3 Ternary 12011022110201010000
4 Quaternary 1313021211002301
5 Quinary 13043220442404
6 Senary 530205300213
8 Octal 16711450261
10 Decimal 1998999729
12 Duodecimal 479564669
16 Hexadecimal 772650b1
20 Vigesimal 1b4dej69
36 Base36 x25i29

Cryptographic Hash Functions

md5 c42164eb20fd78b6182ee616f6de14fc
sha1 aa645e9de9347f40fd5d9f0efa40b08d700cc810
sha256 e1e723efe5fdd44d231385434125c8957b9e49862b762370b9fd00a05986b1c8
sha512 43e63c96d471ece4fe6a3d10f371c057e9be94637b2dc5d1f985cb1ad87521f0336caf5c72f1f56be0684b97fe3d59f9c5bbb9c48bad08950c40fe2ca1cf899d
ripemd-160 626574c4acf4bb0a32bae71f6b828428b69b8ba2

1998999729 as geometric shapes

Circle

Radius = n
Diameter 3997999458
Circumference 12560085726.309
Area 1.2553803981554E+19

Sphere

Radius = n
Volume 3.3460067676061E+28
Surface area 5.0215215926216E+19
Circumference 12560085726.309

Square

Length = n
Perimeter 7995998916
Area 3995999916542073441
Diagonal 2827012527.9319

Cube

Length = n
Surface area 2.3975999499252E+19
Volume 7.9880027502516E+27
Space diagonal 3462369094.9444

Equilateral Triangle

Length = n
Perimeter 5996999187
Area 1.730318720623E+18
Altitude 1731184547.4722

Triangular Pyramid

Length = n
Surface area 1.730318720623E+18
Volume 9.4139515213995E+26
Height 942337509.31065