1291240240 (number)
1291240240 is an even 10-digits composite number following 1291240239 and preceding 1291240241. In scientific notation, it is written as 1.291240240 × 10^9. The sum of its digits is 25. It has a total of 7 prime factors and 40 positive divisors. There are 494039040 positive integers (up to 1291240240) that are relatively prime to 1291240240.
Interesting facts
- 1291240240 has 40 divisors, whose sum is 3132665568
- The reverse of 1291240240 is 0420421921
- Previous prime number is 23
Basic properties
- Is Prime? no
- Number parity even
- Number length 10
- Sum of Digits 25
- Digital Root 7
Name
Name | one billion two hundred ninety-one million two hundred forty thousand two hundred forty |
---|
Notation
Scientific notation | 1.291240240 × 10^9 |
---|---|
Engineering notation | 1.291240240 × 10^9 |
Prime Factorization of 1291240240
Prime Factorization 2 × 2 × 2 × 2 × 5 × 23 × 701761
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 161405030 | Product of the distinct prime numbers |
The prime factorization of 1291240240 is 2 × 2 × 2 × 2 × 5 × 23 × 701761. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 1291240240)
Multiplication
n×yn×2 | 2582480480 |
---|---|
n×3 | 3873720720 |
n×4 | 5164960960 |
n×5 | 6456201200 |
Division
n÷yn÷2 | 645620120 |
---|---|
n÷3 | 430413413.33333 |
n÷3 | 322810060 |
n÷5 | 258248048 |
Exponentiation
nyn2 | 1667301357395257600 |
---|---|
n3 | 2.1528866048754E+27 |
n4 | 2.7798938163721E+36 |
n5 | 3.5895107586268E+45 |
Nth Root
y√n2√n | 35933.831412751 |
---|---|
3√n | 1088.9359871957 |
4√n | 189.56220987515 |
5√n | 66.405096228102 |
Divisors of 1291240240
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 | -1291240239 | 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 1291240240 can be divided by 40 positive divisors. The sum of these divisors (counting 1291240240) is 1, the average is 0.025.
Base conversion 1291240240
Base | System | Value |
---|---|---|
2 | Binary | 1001100111101101100001100110000 |
3 | Ternary | 10022222200210121121 |
4 | Quaternary | 1030331230030300 |
5 | Quinary | 10121024141430 |
6 | Senary | 332043432024 |
8 | Octal | 11475541460 |
10 | Decimal | 1291240240 |
12 | Duodecimal | 300525614 |
16 | Hexadecimal | 4cf6c330 |
20 | Vigesimal | 103a50c0 |
36 | Base36 | lcrrcg |
Cryptographic Hash Functions
md5 | e990418f99d1c9dcabb8c3570127ee23 |
---|---|
sha1 | 0f58576709caec42942c4b78e8cab1160fb39793 |
sha256 | 05168270828028e1d5342237136755787f7e3a2a69d2b246ca8f56c016f93eef |
sha512 | 92689d8a37b8e4079906a892dfe3952621426d557e1f259e30cdb5c2729d7ec7d5168b893dd2cf7dae403fadda65c4b363901bab299940f51070395f0d6e01a5 |
ripemd-160 | a409902e0e40cfc79f11221d65e27e63164c66d1 |
1291240240 as geometric shapes
Circle
Radius = nDiameter | 2582480480 |
---|---|
Circumference | 8113101704.007 |
Area | 5.2379816957132E+18 |
Sphere
Radius = nVolume | 9.0179903225178E+27 |
---|---|
Surface area | 2.0951926782853E+19 |
Circumference | 8113101704.007 |
Square
Length = nPerimeter | 5164960960 |
---|---|
Area | 1667301357395257600 |
Diagonal | 1826089459.6899 |
Cube
Length = nSurface area | 1.0003808144372E+19 |
---|---|
Volume | 2.1528866048754E+27 |
Space diagonal | 2236493700.4574 |
Equilateral Triangle
Length = nPerimeter | 3873720720 |
---|---|
Area | 7.2196266563429E+17 |
Altitude | 1118246850.2287 |
Triangular Pyramid
Length = nSurface area | 7.2196266563429E+17 |
---|---|
Volume | 2.5372011957218E+26 |
Height | 608696486.5633 |