145440 (number)
145440 is an even 6-digits composite number following 145439 and preceding 145441. In scientific notation, it is written as 1.45440 × 10^5. The sum of its digits is 18. It has a total of 8 prime factors and 48 positive divisors. There are 38400 positive integers (up to 145440) that are relatively prime to 145440.
Interesting facts
- 145440 has 48 divisors, whose sum is 385560
- The reverse of 145440 is 044541
- Previous prime number is 5
Basic properties
- Is Prime? no
- Number parity even
- Number length 6
- Sum of Digits 18
- Digital Root 9
Name
| Name | one hundred forty-five thousand four hundred forty |
|---|
Notation
| Scientific notation | 1.45440 × 10^5 |
|---|---|
| Engineering notation | 1.45440 × 10^3 |
Prime Factorization of 145440
Prime Factorization 2 × 2 × 2 × 2 × 2 × 9 × 5 × 101
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 8 | Total number of prime factors |
| rad | Radical | 9090 | Product of the distinct prime numbers |
The prime factorization of 145440 is 2 × 2 × 2 × 2 × 2 × 9 × 5 × 101. Since it has a total of 8 prime factors.
Most popular turbo-numbers
Basic calculations (n = 145440)
Multiplication
n×y| n×2 | 290880 |
|---|---|
| n×3 | 436320 |
| n×4 | 581760 |
| n×5 | 727200 |
Division
n÷y| n÷2 | 72720 |
|---|---|
| n÷3 | 48480 |
| n÷3 | 36360 |
| n÷5 | 29088 |
Exponentiation
ny| n2 | 21152793600 |
|---|---|
| n3 | 3076462301184000 |
| n4 | 4.474406770842E+20 |
| n5 | 6.5075772075126E+25 |
Nth Root
y√n| 2√n | 381.3659659697 |
|---|---|
| 3√n | 52.588964804219 |
| 4√n | 19.528593548172 |
| 5√n | 10.777965104891 |
Divisors of 145440
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 | -145439 | 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 145440 can be divided by 48 positive divisors. The sum of these divisors (counting 145440) is 1, the average is 0.020833333333333.
Base conversion 145440
| Base | System | Value |
|---|---|---|
| 2 | Binary | 100011100000100000 |
| 3 | Ternary | 21101111200 |
| 4 | Quaternary | 203200200 |
| 5 | Quinary | 14123230 |
| 6 | Senary | 3041200 |
| 8 | Octal | 434040 |
| 10 | Decimal | 145440 |
| 12 | Duodecimal | 70200 |
| 16 | Hexadecimal | 23820 |
| 20 | Vigesimal | i3c0 |
| 36 | Base36 | 3480 |
Cryptographic Hash Functions
| md5 | a9f1ddad890559e3172b168df0e7b8fc |
|---|---|
| sha1 | ee616a6bde4a194c8eda5e566fa537a9bb472ecf |
| sha256 | 8e8ea0c2e701c58dbf02c5b9f9e1a384bfb173833b80461e01440b013cb56412 |
| sha512 | 1b6b41b3cdd5cd798fd164d0b94aed42f79c8974e6dc179c3bccb7ef24ef663fc84cc41e8fcd0eef48eff4d4136ab7ea38f65971a9795e58c18213f64ac82f56 |
| ripemd-160 | 17c72a9eb15cba19d83cb8ef848be1ce65f6446f |
145440 as geometric shapes
Circle
Radius = n| Diameter | 290880 |
|---|---|
| Circumference | 913826.4710762 |
| Area | 66453460976.661 |
Sphere
Radius = n| Volume | 1.2886655152594E+16 |
|---|---|
| Surface area | 265813843906.64 |
| Circumference | 913826.4710762 |
Square
Length = n| Perimeter | 581760 |
|---|---|
| Area | 21152793600 |
| Diagonal | 205683.22051154 |
Cube
Length = n| Surface area | 126916761600 |
|---|---|
| Volume | 3076462301184000 |
| Space diagonal | 251909.46945282 |
Equilateral Triangle
Length = n| Perimeter | 436320 |
|---|---|
| Area | 9159428309.3044 |
| Altitude | 125954.73472641 |
Triangular Pyramid
Length = n| Surface area | 9159428309.3044 |
|---|---|
| Volume | 3.6256455920533E+14 |
| Height | 68561.073503848 |