1998790640 (number)

1998790640 is an even 10-digits composite number following 1998790639 and preceding 1998790641. In scientific notation, it is written as 1.998790640 × 10^9. The sum of its digits is 53. It has a total of 7 prime factors and 40 positive divisors. There are 586321920 positive integers (up to 1998790640) that are relatively prime to 1998790640.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.998790640 × 10^9
Engineering notation 1.998790640 × 10^9

Prime Factorization of 1998790640

Prime Factorization 2 × 2 × 2 × 2 × 35 × 187 × 19087

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 249848830
Product of the distinct prime numbers

The prime factorization of 1998790640 is 2 × 2 × 2 × 2 × 35 × 187 × 19087. Since it has a total of 7 prime factors.

Most popular turbo-numbers

9, 1, 16, 20, 460, 516, 353, 7918, 33509, 69162, 386361, 523191, 5607359, 182317, 66875761, 54033527, 700884167, 898756404, 5353522110, 6696582688

Basic calculations (n = 1998790640)

Multiplication

n×y
n×2 3997581280
n×3 5996371920
n×4 7995162560
n×5 9993953200

Division

n÷y
n÷2 999395320
n÷3 666263546.66667
n÷3 499697660
n÷5 399758128

Exponentiation

ny
n2 3995164022551609600
n3 7.9854964535409E+27
n4 1.5961335567091E+37
n5 3.19033681334E+46

Nth Root

y√n
2√n 44707.836449553
3√n 1259.6670490048
4√n 211.44227687374
5√n 72.469199051604

Divisors of 1998790640

1, 2, 4, 8, 16, 35, 70, 140, 187, 280, 374, 560, 748, 1496, 2992, 6545, 13090, 19087, 26180, 38174, 52360, 76348, 104720, 152696, 305392, 668045, 1336090, 2672180, 3569269, 5344360, 7138538, 10688720, 14277076, 28554152, 57108304, 124924415, 249848830, 499697660, 999395320, 1998790640

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1998790639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1998790640 can be divided by 40 positive divisors. The sum of these divisors (counting 1998790640) is 1, the average is 0.025.

Base conversion 1998790640

Base System Value
2 Binary 1110111001000110001111111110000
3 Ternary 12011022002002021222
4 Quaternary 1313020301333300
5 Quinary 13043142300030
6 Senary 530201004212
8 Octal 16710617760
10 Decimal 1998790640
12 Duodecimal 479483668
16 Hexadecimal 77231ff0
20 Vigesimal 1b4c8gc0
36 Base36 x210q8

Cryptographic Hash Functions

md5 dd2be9403de8d352a358576aab64b5a2
sha1 7b5b41d3a079ef870516af40e2df60bd09b93ae1
sha256 fdd6cb5a354fa642a99435d5e98b2920708cecaf1218fbef4078f4973c214c79
sha512 006537016b94f467208ccce48634cf44058c843d8b5cc1bf992a4f32e9755d1be6aeaf8e0b868eca1464be46b649b61950cece1c3dde305af33cc57444238b8f
ripemd-160 f46b20fec40f823d4a1b26ce3cf09eb699e79011

1998790640 as geometric shapes

Circle

Radius = n
Diameter 3997581280
Circumference 12558771981.376
Area 1.2551177943134E+19

Sphere

Radius = n
Volume 3.3449569324949E+28
Surface area 5.0204711772538E+19
Circumference 12558771981.376

Square

Length = n
Perimeter 7995162560
Area 3995164022551609600
Diagonal 2826716831.4324

Cube

Length = n
Surface area 2.397098413531E+19
Volume 7.9854964535409E+27
Space diagonal 3462006942.1731

Equilateral Triangle

Length = n
Perimeter 5996371920
Area 1.7299567679077E+18
Altitude 1731003471.0866

Triangular Pyramid

Length = n
Surface area 1.7299567679077E+18
Volume 9.4109978223998E+26
Height 942238943.8108