1990398081 (number)
1990398081 is an odd 10-digits composite number following 1990398080 and preceding 1990398082. In scientific notation, it is written as 1.990398081 × 10^9. The sum of its digits is 48. It has a total of 6 prime factors and 48 positive divisors. There are 1084960800 positive integers (up to 1990398081) that are relatively prime to 1990398081.
Interesting facts
- 1990398081 has 48 divisors, whose sum is 3230143488
- The reverse of 1990398081 is 1808930991
- Previous prime number is 1031
Basic properties
- Is Prime? no
- Number parity odd
- Number length 10
- Sum of Digits 48
- Digital Root 3
Name
Name | one billion nine hundred ninety million three hundred ninety-eight thousand eighty-one |
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Notation
Scientific notation | 1.990398081 × 10^9 |
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Engineering notation | 1.990398081 × 10^9 |
Prime Factorization of 1990398081
Prime Factorization 3 × 7 × 7 × 23 × 1031 × 571
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 284342583 | Product of the distinct prime numbers |
The prime factorization of 1990398081 is 3 × 7 × 7 × 23 × 1031 × 571. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 1990398081)
Multiplication
n×yn×2 | 3980796162 |
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n×3 | 5971194243 |
n×4 | 7961592324 |
n×5 | 9951990405 |
Division
n÷yn÷2 | 995199040.5 |
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n÷3 | 663466027 |
n÷3 | 497599520.25 |
n÷5 | 398079616.2 |
Exponentiation
nyn2 | 3961684520848482561 |
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n3 | 7.8853292678242E+27 |
n4 | 1.569494424273E+37 |
n5 | 3.1239186902133E+46 |
Nth Root
y√n2√n | 44613.87767276 |
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3√n | 1257.9015379289 |
4√n | 211.21997460648 |
5√n | 72.408239580461 |
Divisors of 1990398081
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 | -1990398080 | 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 1990398081 can be divided by 48 positive divisors. The sum of these divisors (counting 1990398081) is 1, the average is 0.020833333333333.
Base conversion 1990398081
Base | System | Value |
---|---|---|
2 | Binary | 1110110101000110001000010000001 |
3 | Ternary | 12010201021200212110 |
4 | Quaternary | 1312220301002001 |
5 | Quinary | 13034020214311 |
6 | Senary | 525301045533 |
8 | Octal | 16650610201 |
10 | Decimal | 1990398081 |
12 | Duodecimal | 4766b68a9 |
16 | Hexadecimal | 76a31081 |
20 | Vigesimal | 1b1jjf41 |
36 | Base36 | wx14zl |
Cryptographic Hash Functions
md5 | bf8a22e68ea78f89d6679375d0beb83b |
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sha1 | 997bc9198b1f72f56afcdec0cbe301a6790eb75d |
sha256 | 7a73b97427e39f0a202d9203ed656b0b6605cc2ff361c3c754685631e2cbcb42 |
sha512 | 2ef9212cdab749c08985c73e8022c117fc4ed5f3a5bcea77d052db4e66139d261dd49c614a6e462afaac9c42c67f457007e5ef3eba966d4656f82df761b043a8 |
ripemd-160 | ade865c7f394837089f2071a9649ff6af012ac78 |
1990398081 as geometric shapes
Circle
Radius = nDiameter | 3980796162 |
---|---|
Circumference | 12506039977.978 |
Area | 1.2445998986538E+19 |
Sphere
Radius = nVolume | 3.3029989998578E+28 |
---|---|
Surface area | 4.9783995946152E+19 |
Circumference | 12506039977.978 |
Square
Length = nPerimeter | 7961592324 |
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Area | 3961684520848482561 |
Diagonal | 2814847960.6716 |
Cube
Length = nSurface area | 2.3770107125091E+19 |
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Volume | 7.8853292678242E+27 |
Space diagonal | 3447470603.5796 |
Equilateral Triangle
Length = nPerimeter | 5971194243 |
---|---|
Area | 1.7154597184172E+18 |
Altitude | 1723735301.7898 |
Triangular Pyramid
Length = nSurface area | 1.7154597184172E+18 |
---|---|
Volume | 9.2929496619454E+26 |
Height | 938282653.55719 |