20390816 (number)

20390816 is an even 8-digits composite number following 20390815 and preceding 20390817. In scientific notation, it is written as 2.0390816 × 10^7. The sum of its digits is 29. It has a total of 7 prime factors and 24 positive divisors. There are 10169280 positive integers (up to 20390816) that are relatively prime to 20390816.

Interesting facts

Basic properties

Name

Name twenty million three hundred ninety thousand eight hundred sixteen

Notation

Scientific notation 2.0390816 × 10^7
Engineering notation 2.0390816 × 10^6

Prime Factorization of 20390816

Prime Factorization 2 × 2 × 2 × 2 × 2 × 991 × 643

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1274426
Product of the distinct prime numbers

The prime factorization of 20390816 is 2 × 2 × 2 × 2 × 2 × 991 × 643. Since it has a total of 7 prime factors.

Most popular turbo-numbers

4, 4, 13, 16, 556, 480, 104, 6947, 73782, 67812, 269604, 755603, 8714368, 2740226, 88423530, 1942000, 965436406, 27094213, 6392424663, 6890297684

Basic calculations (n = 20390816)

Multiplication

n×y
n×2 40781632
n×3 61172448
n×4 81563264
n×5 101954080

Division

n÷y
n÷2 10195408
n÷3 6796938.6666667
n÷3 5097704
n÷5 4078163.2

Exponentiation

ny
n2 415785377145856
n3 8.4782031208718E+21
n4 1.7287747984832E+29
n5 3.5251128821308E+36

Nth Root

y√n
2√n 4515.6191159131
3√n 273.19843167963
4√n 67.198356497113
5√n 28.965892938815

Divisors of 20390816

1, 2, 4, 8, 16, 32, 643, 991, 1286, 1982, 2572, 3964, 5144, 7928, 10288, 15856, 20576, 31712, 637213, 1274426, 2548852, 5097704, 10195408, 20390816

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20390815
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20390816 can be divided by 24 positive divisors. The sum of these divisors (counting 20390816) is 1, the average is 0.041666666666667.

Base conversion 20390816

Base System Value
2 Binary 1001101110010001110100000
3 Ternary 1102100221221102
4 Quaternary 1031302032200
5 Quinary 20210001231
6 Senary 2005013532
8 Octal 115621640
10 Decimal 20390816
12 Duodecimal 69b42a8
16 Hexadecimal 13723a0
20 Vigesimal 678h0g
36 Base36 c51nk

Cryptographic Hash Functions

md5 1a46c375968cd119c6e68681033d1c56
sha1 111f865421a1c255984cab7b981c2e45ee1ba70f
sha256 586fef68600c978fbea6d21cfaa0b870c35a1f84e5f2fca0047b55513937337b
sha512 aeb7f84d34188b8be7d4a0b4a63af48e5b4907e9cb4551323da3975dd51cea82b7584077e5703535bb444505b4e70d6524dcf9d3337ce8426759f554b4b9114b
ripemd-160 76bcd13d44e290b7f3494e2a55e0b8167345e4c3

20390816 as geometric shapes

Circle

Radius = n
Diameter 40781632
Circumference 128119275.4926
Area 1.3062282863115E+15

Sphere

Radius = n
Volume 3.5513414186897E+22
Surface area 5.2249131452459E+15
Circumference 128119275.4926

Square

Length = n
Perimeter 81563264
Area 415785377145856
Diagonal 28836968.535054

Cube

Length = n
Surface area 2494712262875136
Volume 8.4782031208718E+21
Space diagonal 35317929.319788

Equilateral Triangle

Length = n
Perimeter 61172448
Area 1.800403495652E+14
Altitude 17658964.659894

Triangular Pyramid

Length = n
Surface area 1.800403495652E+14
Volume 9.9916581984089E+20
Height 9612322.8450181