1991498428 (number)

1991498428 is an even 10-digits composite number following 1991498427 and preceding 1991498429. In scientific notation, it is written as 1.991498428 × 10^9. The sum of its digits is 55. It has a total of 3 prime factors and 6 positive divisors. There are 995749212 positive integers (up to 1991498428) that are relatively prime to 1991498428.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.991498428 × 10^9
Engineering notation 1.991498428 × 10^9

Prime Factorization of 1991498428

Prime Factorization 2 × 2 × 497874607

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 995749214
Product of the distinct prime numbers

The prime factorization of 1991498428 is 2 × 2 × 497874607. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1991498428)

Multiplication

n×y
n×2 3982996856
n×3 5974495284
n×4 7965993712
n×5 9957492140

Division

n÷y
n÷2 995749214
n÷3 663832809.33333
n÷3 497874607
n÷5 398299685.6

Exponentiation

ny
n2 3966065988726471184
n3 7.898414181893E+27
n4 1.5729679426933E+37
n5 3.1325631851681E+46

Nth Root

y√n
2√n 44626.207860404
3√n 1258.133296124
4√n 211.24916061467
5√n 72.416243665409

Divisors of 1991498428

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1991498427
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1991498428 can be divided by 6 positive divisors. The sum of these divisors (counting 1991498428) is 1, the average is 0.16666666666667.

Base conversion 1991498428

Base System Value
2 Binary 1110110101100111101101010111100
3 Ternary 12010210100121021001
4 Quaternary 1312230331222330
5 Quinary 13034310422203
6 Senary 525340420044
8 Octal 16654755274
10 Decimal 1991498428
12 Duodecimal 476b47624
16 Hexadecimal 76b3dabc
20 Vigesimal 1b26h618
36 Base36 wxoq0s

Cryptographic Hash Functions

md5 699657f125f56ee7415ed56f6a6d015f
sha1 c2fb2eebf075303db3a9ba9085cae97341f57d8b
sha256 1b64819dd96df1b846f7fd7ca2f773df0ba7308241eeb9b86a97bf56e70dd4b8
sha512 ea112855058055a5d313360aa685076ea6df7134f9b7c85f3cef2a0728f90a27002504a22be18059bb9b3f1cf57a9192bed60eb6c9549bf93dabd01968bb0026
ripemd-160 09c1ebff47ae8674f68bc57b1f053cd2fe2b78c5

1991498428 as geometric shapes

Circle

Radius = n
Diameter 3982996856
Circumference 12512953662.081
Area 1.2459763773835E+19

Sphere

Radius = n
Volume 3.3084799958459E+28
Surface area 4.9839055095342E+19
Circumference 12512953662.081

Square

Length = n
Perimeter 7965993712
Area 3966065988726471184
Diagonal 2816404086.3223

Cube

Length = n
Surface area 2.3796395932359E+19
Volume 7.898414181893E+27
Space diagonal 3449376460.4895

Equilateral Triangle

Length = n
Perimeter 5974495284
Area 1.7173569496613E+18
Altitude 1724688230.2448

Triangular Pyramid

Length = n
Surface area 1.7173569496613E+18
Volume 9.3083703810609E+26
Height 938801362.10743