819998081 (number)

819998081 is an odd 9-digits composite number following 819998080 and preceding 819998082. In scientific notation, it is written as 8.19998081 × 10^8. The sum of its digits is 53. It has a total of 3 prime factors and 8 positive divisors. There are 680182560 positive integers (up to 819998081) that are relatively prime to 819998081.

Interesting facts

Basic properties

Name

Name eight hundred nineteen million nine hundred ninety-eight thousand eighty-one

Notation

Scientific notation 8.19998081 × 10^8
Engineering notation 8.19998081 × 10^6

Prime Factorization of 819998081

Prime Factorization 7 × 31 × 3778793

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 819998081
Product of the distinct prime numbers

The prime factorization of 819998081 is 7 × 31 × 3778793. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 7, 82, 57, 251, 860, 9860, 410, 18161, 23525, 223487, 233422, 7720261, 9396245, 83290870, 96996928, 446610208, 71655600, 2536610556, 5975893765

Basic calculations (n = 819998081)

Multiplication

n×y
n×2 1639996162
n×3 2459994243
n×4 3279992324
n×5 4099990405

Division

n÷y
n÷2 409999040.5
n÷3 273332693.66667
n÷3 204999520.25
n÷5 163999616.2

Exponentiation

ny
n2 672396852843682561
n3 5.5136412900226E+26
n4 4.5211752771409E+35
n5 3.7073550511202E+44

Nth Root

y√n
2√n 28635.60861934
3√n 935.98943216512
4√n 169.22059159375
5√n 60.640471190462

Divisors of 819998081

1, 7, 31, 217, 3778793, 26451551, 117142583, 819998081

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -819998080
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 819998081 can be divided by 8 positive divisors. The sum of these divisors (counting 819998081) is 1, the average is 0.125.

Base conversion 819998081

Base System Value
2 Binary 110000111000000010110110000001
3 Ternary 2010010222012220022
4 Quaternary 300320002312001
5 Quinary 3134404414311
6 Senary 213211223225
8 Octal 6070026601
10 Decimal 819998081
12 Duodecimal 1aa747b15
16 Hexadecimal 30e02d81
20 Vigesimal cg4jf41
36 Base36 dk7ekh

Cryptographic Hash Functions

md5 a8fe0e1c3ab3a4c6520bcd609801d75d
sha1 6c2d253ffec7afb3c751a1223cfff5a14c75c041
sha256 886f01284e022b20e452b76f0f3fab82455cd2adcf5aa5b2ff49fd6728b9a3e9
sha512 6fe58054a24f98607e2cac11211645754c5f599671a429f727ab1721e23a06585403a1bf397f042f693715ef1a5beea0ee31a6d8149557e5574ff82de3c2082c
ripemd-160 84bc215310b15ba636e66eea9fcc44a8fa58d6db

819998081 as geometric shapes

Circle

Radius = n
Diameter 1639996162
Circumference 5152199894.4547
Area 2.1123970131906E+18

Sphere

Radius = n
Volume 2.3095486628352E+27
Surface area 8.4495880527624E+18
Circumference 5152199894.4547

Square

Length = n
Perimeter 3279992324
Area 672396852843682561
Diagonal 1159652407.2701

Cube

Length = n
Surface area 4034381117062095366
Volume 5.5136412900226E+26
Space diagonal 1420278338.401

Equilateral Triangle

Length = n
Perimeter 2459994243
Area 2.9115637799367E+17
Altitude 710139169.20049

Triangular Pyramid

Length = n
Surface area 2.9115637799367E+17
Volume 6.4978885753419E+25
Height 386550802.42337