1998492768 (number)

1998492768 is an even 10-digits composite number following 1998492767 and preceding 1998492769. In scientific notation, it is written as 1.998492768 × 10^9. The sum of its digits is 63. It has a total of 8 prime factors and 48 positive divisors. There are 650668032 positive integers (up to 1998492768) that are relatively prime to 1998492768.

Interesting facts

Basic properties

Name

Name one billion nine hundred ninety-eight million four hundred ninety-two thousand seven hundred sixty-eight

Notation

Scientific notation 1.998492768 × 10^9
Engineering notation 1.998492768 × 10^9

Prime Factorization of 1998492768

Prime Factorization 2 × 2 × 2 × 2 × 2 × 9 × 43 × 161377

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 124905798
Product of the distinct prime numbers

The prime factorization of 1998492768 is 2 × 2 × 2 × 2 × 2 × 9 × 43 × 161377. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1998492768)

Multiplication

n×y
n×2 3996985536
n×3 5995478304
n×4 7993971072
n×5 9992463840

Division

n÷y
n÷2 999246384
n÷3 666164256
n÷3 499623192
n÷5 399698553.6

Exponentiation

ny
n2 3993973343748301824
n3 7.9819268430658E+27
n4 1.5951823070572E+37
n5 3.1879603042954E+46

Nth Root

y√n
2√n 44704.505007885
3√n 1259.604471468
4√n 211.4343988283
5√n 72.467038962225

Divisors of 1998492768

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1998492767
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1998492768 can be divided by 48 positive divisors. The sum of these divisors (counting 1998492768) is 1, the average is 0.020833333333333.

Base conversion 1998492768

Base System Value
2 Binary 1110111000111101001010001100000
3 Ternary 12011021111221200200
4 Quaternary 1313013221101200
5 Quinary 13043103232033
6 Senary 530150345200
8 Octal 16707512140
10 Decimal 1998492768
12 Duodecimal 47935b200
16 Hexadecimal 771e9460
20 Vigesimal 1b4abbi8
36 Base36 x1umw0

Cryptographic Hash Functions

md5 db4ba0b2966f1ddfaefe4b06fe93dcc4
sha1 c0e37435514d31e78974c72e399a8bd46158dbbe
sha256 5db028e76a43a20722fd3da48161fce9aa9acdb7d6572fc8cc2862f6e090ff51
sha512 321ee6395c7792783b1f585419ac5f023a18c3861010f7d6b7b246497dbf88e0fc40eddc8c39d953b53f1e970defce3fb9cfc26313164294c3b1360058f640dc
ripemd-160 3b80d56be56ebc7667085d4a5c6a762e9d8e64ca

1998492768 as geometric shapes

Circle

Radius = n
Diameter 3996985536
Circumference 12556900396.402
Area 1.2547437315353E+19

Sphere

Radius = n
Volume 3.3434616975555E+28
Surface area 5.0189749261413E+19
Circumference 12556900396.402

Square

Length = n
Perimeter 7993971072
Area 3993973343748301824
Diagonal 2826295576.8101

Cube

Length = n
Surface area 2.396384006249E+19
Volume 7.9819268430658E+27
Space diagonal 3461491012.735

Equilateral Triangle

Length = n
Perimeter 5995478304
Area 1.729441188862E+18
Altitude 1730745506.3675

Triangular Pyramid

Length = n
Surface area 1.729441188862E+18
Volume 9.4067909961112E+26
Height 942098525.60338