20786988 (number)

20786988 is an even 8-digits composite number following 20786987 and preceding 20786989. In scientific notation, it is written as 2.0786988 × 10^7. The sum of its digits is 48. It has a total of 7 prime factors and 96 positive divisors. There are 5944320 positive integers (up to 20786988) that are relatively prime to 20786988.

Interesting facts

Basic properties

Name

Name twenty million seven hundred eighty-six thousand nine hundred eighty-eight

Notation

Scientific notation 2.0786988 × 10^7
Engineering notation 2.0786988 × 10^6

Prime Factorization of 20786988

Prime Factorization 2 × 2 × 3 × 19 × 17 × 31 × 173

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 10393494
Product of the distinct prime numbers

The prime factorization of 20786988 is 2 × 2 × 3 × 19 × 17 × 31 × 173. Since it has a total of 7 prime factors.

Most popular turbo-numbers

4, 1, 24, 38, 799, 616, 1987, 1752, 91765, 78262, 297248, 722924, 3480068, 2983797, 47185517, 89147192, 10626204, 124893170, 2372743940, 4924774712

Basic calculations (n = 20786988)

Multiplication

n×y
n×2 41573976
n×3 62360964
n×4 83147952
n×5 103934940

Division

n÷y
n÷2 10393494
n÷3 6928996
n÷3 5196747
n÷5 4157397.6

Exponentiation

ny
n2 432098870112144
n3 8.9820340278347E+21
n4 1.8670943355219E+29
n5 3.8811267547362E+36

Nth Root

y√n
2√n 4559.2749423565
3√n 274.95641402887
4√n 67.522403262595
5√n 29.077583602808

Divisors of 20786988

1, 2, 3, 4, 6, 12, 17, 19, 31, 34, 38, 51, 57, 62, 68, 76, 93, 102, 114, 124, 173, 186, 204, 228, 323, 346, 372, 519, 527, 589, 646, 692, 969, 1038, 1054, 1178, 1292, 1581, 1767, 1938, 2076, 2108, 2356, 2941, 3162, 3287, 3534, 3876, 5363, 5882, 6324, 6574, 7068, 8823, 9861, 10013, 10726, 11764, 13148, 16089, 17646, 19722, 20026, 21452, 30039, 32178, 35292, 39444, 40052, 55879, 60078, 64356, 91171, 101897, 111758, 120156, 167637, 182342, 203794, 223516, 273513, 305691, 335274, 364684, 407588, 547026, 611382, 670548, 1094052, 1222764, 1732249, 3464498, 5196747, 6928996, 10393494, 20786988

96 divisors

τ Total Divisors 96
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20786987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.010416666666667
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 96
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20786988 can be divided by 96 positive divisors. The sum of these divisors (counting 20786988) is 1, the average is 0.010416666666667.

Base conversion 20786988

Base System Value
2 Binary 1001111010010111100101100
3 Ternary 1110010002101110
4 Quaternary 1033102330230
5 Quinary 20310140423
6 Senary 2021312020
8 Octal 117227454
10 Decimal 20786988
12 Duodecimal 6b65610
16 Hexadecimal 13d2f2c
20 Vigesimal 69i798
36 Base36 cdjcc

Cryptographic Hash Functions

md5 f642cea0081d3470cecf15d780c80376
sha1 7645afa7e35d049a79d05e1225702fd7f762bfaa
sha256 5007841b1e6a419acaff86ba57748a7af104dc31b038d7e62c70cb684bbae60c
sha512 9e7bfd1b1aff14c4ab82b888075a478071854ddd2623a4c42d2947ebcc506907f18b7106175cc550fcb2dff3954a07b6e0a88a553cbcae4002e806a11b23a4c1
ripemd-160 d97d4b8a5b9032de2ab8ba23dcb8481195e65d87

20786988 as geometric shapes

Circle

Radius = n
Diameter 41573976
Circumference 130608497.58212
Area 1.3574786359688E+15

Sphere

Radius = n
Volume 3.7623856154852E+22
Surface area 5.429914543875E+15
Circumference 130608497.58212

Square

Length = n
Perimeter 83147952
Area 432098870112144
Diagonal 29397240.350487

Cube

Length = n
Surface area 2592593220672864
Volume 8.9820340278347E+21
Space diagonal 36004119.352325

Equilateral Triangle

Length = n
Perimeter 62360964
Area 1.8710429923183E+14
Altitude 18002059.676162

Triangular Pyramid

Length = n
Surface area 1.8710429923183E+14
Volume 1.058542861655E+21
Height 9799080.1168289