1998790638 (number)

1998790638 is an even 10-digits composite number following 1998790637 and preceding 1998790639. In scientific notation, it is written as 1.998790638 × 10^9. The sum of its digits is 60. It has a total of 4 prime factors and 16 positive divisors. There are 615012480 positive integers (up to 1998790638) that are relatively prime to 1998790638.

Interesting facts

Basic properties

Name

Name one billion nine hundred ninety-eight million seven hundred ninety thousand six hundred thirty-eight

Notation

Scientific notation 1.998790638 × 10^9
Engineering notation 1.998790638 × 10^9

Prime Factorization of 1998790638

Prime Factorization 2 × 3 × 13 × 25625521

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1998790638
Product of the distinct prime numbers

The prime factorization of 1998790638 is 2 × 3 × 13 × 25625521. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 10, 24, 47, 248, 922, 6285, 455, 62736, 66922, 916396, 275497, 1225172, 6840857, 97345748, 94378291, 906044225, 732199683, 8695914872, 1396795316

Basic calculations (n = 1998790638)

Multiplication

n×y
n×2 3997581276
n×3 5996371914
n×4 7995162552
n×5 9993953190

Division

n÷y
n÷2 999395319
n÷3 666263546
n÷3 499697659.5
n÷5 399758127.6

Exponentiation

ny
n2 3995164014556447044
n3 7.9854964295699E+27
n4 1.5961335503207E+37
n5 3.1903367973787E+46

Nth Root

y√n
2√n 44707.836427186
3√n 1259.6670485846
4√n 211.44227682085
5√n 72.469199037101

Divisors of 1998790638

1, 2, 3, 6, 13, 26, 39, 78, 25625521, 51251042, 76876563, 153753126, 333131773, 666263546, 999395319, 1998790638

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 -1998790637
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 1998790638 can be divided by 16 positive divisors. The sum of these divisors (counting 1998790638) is 1, the average is 0.0625.

Base conversion 1998790638

Base System Value
2 Binary 1110111001000110001111111101110
3 Ternary 12011022002002021220
4 Quaternary 1313020301333232
5 Quinary 13043142300023
6 Senary 530201004210
8 Octal 16710617756
10 Decimal 1998790638
12 Duodecimal 479483666
16 Hexadecimal 77231fee
20 Vigesimal 1b4c8gbi
36 Base36 x210q6

Cryptographic Hash Functions

md5 a8b1af502416c73131b86d088ac8439a
sha1 6ab2ecf02f41c6482bcef9ed4ddf76937ae57b8f
sha256 edf993775fe8409bd60c12569a114be35cd7039baa228c0639343073957e073c
sha512 81f74e4a88cebb2e9e3d0e4ee1c9db7dc08079502142d2f3a3031bd545c528a38370329e45a385ed223dab87f348acc5623949f289e2d729fa48f729196468f9
ripemd-160 306030e5c95956559f86cfe17e502eb03007338c

1998790638 as geometric shapes

Circle

Radius = n
Diameter 3997581276
Circumference 12558771968.81
Area 1.2551177918017E+19

Sphere

Radius = n
Volume 3.3449569224539E+28
Surface area 5.0204711672067E+19
Circumference 12558771968.81

Square

Length = n
Perimeter 7995162552
Area 3995164014556447044
Diagonal 2826716828.604

Cube

Length = n
Surface area 2.3970984087339E+19
Volume 7.9854964295699E+27
Space diagonal 3462006938.709

Equilateral Triangle

Length = n
Perimeter 5996371914
Area 1.7299567644457E+18
Altitude 1731003469.3545

Triangular Pyramid

Length = n
Surface area 1.7299567644457E+18
Volume 9.4109977941498E+26
Height 942238942.86799