20990816 (number)

20990816 is an even 8-digits composite number following 20990815 and preceding 20990817. In scientific notation, it is written as 2.0990816 × 10^7. The sum of its digits is 35. It has a total of 9 prime factors and 72 positive divisors. There are 8171520 positive integers (up to 20990816) that are relatively prime to 20990816.

Interesting facts

Basic properties

Name

Name twenty million nine hundred ninety thousand eight hundred sixteen

Notation

Scientific notation 2.0990816 × 10^7
Engineering notation 2.0990816 × 10^6

Prime Factorization of 20990816

Prime Factorization 2 × 2 × 2 × 2 × 2 × 7 × 7 × 11 × 1217

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 187418
Product of the distinct prime numbers

The prime factorization of 20990816 is 2 × 2 × 2 × 2 × 2 × 7 × 7 × 11 × 1217. Since it has a total of 9 prime factors.

Most popular turbo-numbers

6, 4, 94, 69, 290, 392, 182, 2158, 32440, 3370, 229212, 186860, 7819904, 5954415, 4108334, 88749041, 187093493, 996280966, 7774400392, 9661677047

Basic calculations (n = 20990816)

Multiplication

n×y
n×2 41981632
n×3 62972448
n×4 83963264
n×5 104954080

Division

n÷y
n÷2 10495408
n÷3 6996938.6666667
n÷3 5247704
n÷5 4198163.2

Exponentiation

ny
n2 440614356345856
n3 9.2488548810143E+21
n4 1.9414101101807E+29
n5 4.0751782403343E+36

Nth Root

y√n
2√n 4581.5735288217
3√n 275.8521927901
4√n 67.687321773148
5√n 29.13438562928

Divisors of 20990816

1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 77, 88, 98, 112, 154, 176, 196, 224, 308, 352, 392, 539, 616, 784, 1078, 1217, 1232, 1568, 2156, 2434, 2464, 4312, 4868, 8519, 8624, 9736, 13387, 17038, 17248, 19472, 26774, 34076, 38944, 53548, 59633, 68152, 93709, 107096, 119266, 136304, 187418, 214192, 238532, 272608, 374836, 428384, 477064, 655963, 749672, 954128, 1311926, 1499344, 1908256, 2623852, 2998688, 5247704, 10495408, 20990816

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 -20990815
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 20990816 can be divided by 72 positive divisors. The sum of these divisors (counting 20990816) is 1, the average is 0.013888888888889.

Base conversion 20990816

Base System Value
2 Binary 1010000000100101101100000
3 Ternary 1110111102222122
4 Quaternary 1100010231200
5 Quinary 20333201231
6 Senary 2025523412
8 Octal 120045540
10 Decimal 20990816
12 Duodecimal 7043568
16 Hexadecimal 1404b60
20 Vigesimal 6b3h0g
36 Base36 chwm8

Cryptographic Hash Functions

md5 b52fdb4b058d025d2888a6a2ce772041
sha1 565d44d4042fa848dbe03e8da421030982512432
sha256 a6c321a37918511785bb145dbd239d953c713206560d6c59c5fae133da51ebf3
sha512 5b07e9561b799c92032d7ede882275e69443956ca6328cfce676f1ebcc3409ec7565fbc02d87d8d5e16d8c6ccefe9834b037231e690dc156f22b1946c50f239e
ripemd-160 6f4b6666d4eb873e728ee15c32cc08dffc865a92

20990816 as geometric shapes

Circle

Radius = n
Diameter 41981632
Circumference 131889186.67691
Area 1.3842308249623E+15

Sphere

Radius = n
Volume 3.8741512731083E+22
Surface area 5.5369232998493E+15
Circumference 131889186.67691

Square

Length = n
Perimeter 83963264
Area 440614356345856
Diagonal 29685496.672478

Cube

Length = n
Surface area 2643686138075136
Volume 9.2488548810143E+21
Space diagonal 36357159.80433

Equilateral Triangle

Length = n
Perimeter 62972448
Area 1.9079161293382E+14
Altitude 18178579.902165

Triangular Pyramid

Length = n
Surface area 1.9079161293382E+14
Volume 1.0899880007626E+21
Height 9895165.5574927