1998790639 (number)

1998790639 is an odd 10-digits composite number following 1998790638 and preceding 1998790640. In scientific notation, it is written as 1.998790639 × 10^9. The sum of its digits is 61. It has a total of 2 prime factors and 4 positive divisors. There are 1995289560 positive integers (up to 1998790639) that are relatively prime to 1998790639.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.998790639 × 10^9
Engineering notation 1.998790639 × 10^9

Prime Factorization of 1998790639

Prime Factorization 571 × 3500509

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1998790639
Product of the distinct prime numbers

The prime factorization of 1998790639 is 571 × 3500509. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 6, 14, 87, 281, 405, 2659, 9966, 78746, 26947, 493859, 100509, 6362360, 3965957, 14997557, 47119386, 838219550, 8170877, 4891690739, 7777973145

Basic calculations (n = 1998790639)

Multiplication

n×y
n×2 3997581278
n×3 5996371917
n×4 7995162556
n×5 9993953195

Division

n÷y
n÷2 999395319.5
n÷3 666263546.33333
n÷3 499697659.75
n÷5 399758127.8

Exponentiation

ny
n2 3995164018554028321
n3 7.9854964415554E+27
n4 1.5961335535149E+37
n5 3.1903368053593E+46

Nth Root

y√n
2√n 44707.83643837
3√n 1259.6670487947
4√n 211.4422768473
5√n 72.469199044353

Divisors of 1998790639

1, 571, 3500509, 1998790639

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1998790638
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1998790639 can be divided by 4 positive divisors. The sum of these divisors (counting 1998790639) is 1, the average is 0.25.

Base conversion 1998790639

Base System Value
2 Binary 1110111001000110001111111101111
3 Ternary 12011022002002021221
4 Quaternary 1313020301333233
5 Quinary 13043142300024
6 Senary 530201004211
8 Octal 16710617757
10 Decimal 1998790639
12 Duodecimal 479483667
16 Hexadecimal 77231fef
20 Vigesimal 1b4c8gbj
36 Base36 x210q7

Cryptographic Hash Functions

md5 eac3e4755ee65c3053af069ec6488969
sha1 563947118a40ab71fc23f3117f5e10f9db57cdd5
sha256 1bf09242ddf06f1d7d1caa60b20e1582a786c476d83ffd5ca25d5d5665b76f25
sha512 d7560545cf7adfa1f3716c8f6e3648a8afa5e8fb5d8ea1c5658dc63724b7f4b3144d33e0669b6d48916e27d1d9a6eb56b03e84a6f32f783d95cb998b60ca9de1
ripemd-160 969e4090b353df0b7c121463e9c75840cd3fb150

1998790639 as geometric shapes

Circle

Radius = n
Diameter 3997581278
Circumference 12558771975.093
Area 1.2551177930576E+19

Sphere

Radius = n
Volume 3.3449569274744E+28
Surface area 5.0204711722302E+19
Circumference 12558771975.093

Square

Length = n
Perimeter 7995162556
Area 3995164018554028321
Diagonal 2826716830.0182

Cube

Length = n
Surface area 2.3970984111324E+19
Volume 7.9854964415554E+27
Space diagonal 3462006940.4411

Equilateral Triangle

Length = n
Perimeter 5996371917
Area 1.7299567661767E+18
Altitude 1731003470.2205

Triangular Pyramid

Length = n
Surface area 1.7299567661767E+18
Volume 9.4109978082748E+26
Height 942238943.3394