20197749 (number)
20197749 is an odd 8-digits composite number following 20197748 and preceding 20197750. In scientific notation, it is written as 2.0197749 × 10^7. The sum of its digits is 39. It has a total of 6 prime factors and 48 positive divisors. There are 10686720 positive integers (up to 20197749) that are relatively prime to 20197749.
Interesting facts
- 20197749 has 48 divisors, whose sum is 33445440
- The reverse of 20197749 is 94779102
- Previous prime number is 23
Basic properties
- Is Prime? no
- Number parity odd
- Number length 8
- Sum of Digits 39
- Digital Root 3
Name
Name | twenty million one hundred ninety-seven thousand seven hundred forty-nine |
---|
Notation
Scientific notation | 2.0197749 × 10^7 |
---|---|
Engineering notation | 2.0197749 × 10^6 |
Prime Factorization of 20197749
Prime Factorization 13 × 3 × 11 × 89 × 23 × 23
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 878163 | Product of the distinct prime numbers |
The prime factorization of 20197749 is 13 × 3 × 11 × 89 × 23 × 23. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20197749)
Multiplication
n×yn×2 | 40395498 |
---|---|
n×3 | 60593247 |
n×4 | 80790996 |
n×5 | 100988745 |
Division
n÷yn÷2 | 10098874.5 |
---|---|
n÷3 | 6732583 |
n÷3 | 5049437.25 |
n÷5 | 4039549.8 |
Exponentiation
nyn2 | 407949064667001 |
---|---|
n3 | 8.2396528129289E+21 |
n4 | 1.6642243936268E+29 |
n5 | 3.3613586582152E+36 |
Nth Root
y√n2√n | 4494.1905834088 |
---|---|
3√n | 272.33345152083 |
4√n | 67.03872450613 |
5√n | 28.910832275241 |
Divisors of 20197749
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 | -20197748 | 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 20197749 can be divided by 48 positive divisors. The sum of these divisors (counting 20197749) is 1, the average is 0.020833333333333.
Base conversion 20197749
Base | System | Value |
---|---|---|
2 | Binary | 1001101000011000101110101 |
3 | Ternary | 1102000011002210 |
4 | Quaternary | 1031003011311 |
5 | Quinary | 20132311444 |
6 | Senary | 2000524033 |
8 | Octal | 115030565 |
10 | Decimal | 20197749 |
12 | Duodecimal | 6920619 |
16 | Hexadecimal | 1343175 |
20 | Vigesimal | 664e79 |
36 | Base36 | c0wol |
Cryptographic Hash Functions
md5 | 657f05784cbce21aaf8989a81ff020ca |
---|---|
sha1 | b02bccb2b9e25bf32f28c30b6ca3c55acdc52f45 |
sha256 | c7b0201a7b6b390a677f3682dd2ff37079b9dfb81f6eaf298385ee7874bfd863 |
sha512 | b18df7c8e840c3cb821ec14e2bfd17f387e89f83defb65ed43340a24405da96260bc84f7e15c5023c973b86e3c66e8557e5de844254c0b03b091e3bc961b4a76 |
ripemd-160 | c0df9805380a278a8a5f6d5ca22cacb976e35e2b |
20197749 as geometric shapes
Circle
Radius = nDiameter | 40395498 |
---|---|
Circumference | 126906199.7549 |
Area | 1.2816097845967E+15 |
Sphere
Radius = nVolume | 3.4514176993637E+22 |
---|---|
Surface area | 5.1264391383867E+15 |
Circumference | 126906199.7549 |
Square
Length = nPerimeter | 80790996 |
---|---|
Area | 407949064667001 |
Diagonal | 28563930.565208 |
Cube
Length = nSurface area | 2447694388002006 |
---|---|
Volume | 8.2396528129289E+21 |
Space diagonal | 34983527.466523 |
Equilateral Triangle
Length = nPerimeter | 60593247 |
---|---|
Area | 1.7664712672586E+14 |
Altitude | 17491763.733262 |
Triangular Pyramid
Length = nSurface area | 1.7664712672586E+14 |
---|---|
Volume | 9.710523964408E+20 |
Height | 9521310.1884025 |