12897780 (number)
12897780 is an even 8-digits composite number following 12897779 and preceding 12897781. In scientific notation, it is written as 1.2897780 × 10^7. The sum of its digits is 42. It has a total of 7 prime factors and 72 positive divisors. There are 2849280 positive integers (up to 12897780) that are relatively prime to 12897780.
Interesting facts
- 12897780 has 72 divisors, whose sum is 35507808
- The reverse of 12897780 is 08779821
- Previous prime number is 7
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 42
- Digital Root 6
Name
| Name | twelve million eight hundred ninety-seven thousand seven hundred eighty |
|---|
Notation
| Scientific notation | 1.2897780 × 10^7 |
|---|---|
| Engineering notation | 1.2897780 × 10^6 |
Prime Factorization of 12897780
Prime Factorization 2 × 2 × 3 × 7 × 205 × 7 × 107
Composite number| ω | Distinct Factors | 5 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 921270 | Product of the distinct prime numbers |
The prime factorization of 12897780 is 2 × 2 × 3 × 7 × 205 × 7 × 107. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 12897780)
Multiplication
n×y| n×2 | 25795560 |
|---|---|
| n×3 | 38693340 |
| n×4 | 51591120 |
| n×5 | 64488900 |
Division
n÷y| n÷2 | 6448890 |
|---|---|
| n÷3 | 4299260 |
| n÷3 | 3224445 |
| n÷5 | 2579556 |
Exponentiation
ny| n2 | 166352728928400 |
|---|---|
| n3 | 2.1455809001181E+21 |
| n4 | 2.7673230421926E+28 |
| n5 | 3.5692323787131E+35 |
Nth Root
y√n| 2√n | 3591.3479363604 |
|---|---|
| 3√n | 234.51555551374 |
| 4√n | 59.927856096813 |
| 5√n | 26.430354790339 |
Divisors of 12897780
72 divisors
| τ | Total Divisors | 72 | Total number of the positive divisors of n |
|---|---|---|---|
| σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
| s | Aliquot Sum | -12897779 | Sum of the proper positive divisors of n |
| A | Arithmetic Mean | 0.013888888888889 | 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 | 72 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 12897780 can be divided by 72 positive divisors. The sum of these divisors (counting 12897780) is 1, the average is 0.013888888888889.
Base conversion 12897780
| Base | System | Value |
|---|---|---|
| 2 | Binary | 110001001100110111110100 |
| 3 | Ternary | 220021021102120 |
| 4 | Quaternary | 301030313310 |
| 5 | Quinary | 11300212110 |
| 6 | Senary | 1140235540 |
| 8 | Octal | 61146764 |
| 10 | Decimal | 12897780 |
| 12 | Duodecimal | 439bbb0 |
| 16 | Hexadecimal | c4cdf4 |
| 20 | Vigesimal | 40c490 |
| 36 | Base36 | 7ofzo |
Cryptographic Hash Functions
| md5 | 5d36e4066deb7d9528ce9e52849cac1a |
|---|---|
| sha1 | 2cf6c75ff808bc0ee56fb85ec55d08874d171a22 |
| sha256 | 2363e151bd2cdb44e294c03e5c76cc0cf565d386f39288edc57073032a6d7008 |
| sha512 | 37b29f97cfadd6e6c85563c3f42c63ad4e1959a47e7a6aa986858b68052b32615f3138b76b9d444a329ad568cb8cc3121d7ec6f3fb398e298212e048cb6a84c0 |
| ripemd-160 | 6b21282865319ac3852490daadd3bf94dfa26a82 |
12897780 as geometric shapes
Circle
Radius = n| Diameter | 25795560 |
|---|---|
| Circumference | 81039141.791235 |
| Area | 5.2261251110608E+14 |
Sphere
Radius = n| Volume | 8.9873882579916E+21 |
|---|---|
| Surface area | 2.0904500444243E+15 |
| Circumference | 81039141.791235 |
Square
Length = n| Perimeter | 51591120 |
|---|---|
| Area | 166352728928400 |
| Diagonal | 18240215.400504 |
Cube
Length = n| Surface area | 998116373570400 |
|---|---|
| Volume | 2.1455809001181E+21 |
| Space diagonal | 22339610.264846 |
Equilateral Triangle
Length = n| Perimeter | 38693340 |
|---|---|
| Area | 72032844620430 |
| Altitude | 11169805.132423 |
Triangular Pyramid
Length = n| Surface area | 72032844620430 |
|---|---|
| Volume | 2.5285913400965E+20 |
| Height | 6080071.8001682 |