20403978 (number)

20403978 is an even 8-digits composite number following 20403977 and preceding 20403979. In scientific notation, it is written as 2.0403978 × 10^7. The sum of its digits is 33. It has a total of 7 prime factors and 72 positive divisors. There are 5352960 positive integers (up to 20403978) that are relatively prime to 20403978.

Interesting facts

Basic properties

Name

Name twenty million four hundred three thousand nine hundred seventy-eight

Notation

Scientific notation 2.0403978 × 10^7
Engineering notation 2.0403978 × 10^6

Prime Factorization of 20403978

Prime Factorization 2 × 3 × 17 × 7 × 17 × 41 × 41

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 29274
Product of the distinct prime numbers

The prime factorization of 20403978 is 2 × 3 × 17 × 7 × 17 × 41 × 41. Since it has a total of 7 prime factors.

Most popular turbo-numbers

6, 7, 38, 17, 791, 350, 1615, 9657, 2280, 72177, 805928, 953257, 2103029, 8975101, 84560776, 10430003, 754924466, 83959971, 2390911194, 9288808287

Basic calculations (n = 20403978)

Multiplication

n×y
n×2 40807956
n×3 61211934
n×4 81615912
n×5 102019890

Division

n÷y
n÷2 10201989
n÷3 6801326
n÷3 5100994.5
n÷5 4080795.6

Exponentiation

ny
n2 416322318224484
n3 8.4946314219614E+21
n4 1.7332427265181E+29
n5 3.5365046460535E+36

Nth Root

y√n
2√n 4517.0762667903
3√n 273.25720101884
4√n 67.20919778416
5√n 28.969631393269

Divisors of 20403978

1, 2, 3, 6, 7, 14, 17, 21, 34, 41, 42, 51, 82, 102, 119, 123, 238, 246, 287, 289, 357, 574, 578, 697, 714, 861, 867, 1394, 1681, 1722, 1734, 2023, 2091, 3362, 4046, 4182, 4879, 5043, 6069, 9758, 10086, 11767, 11849, 12138, 14637, 23534, 23698, 28577, 29274, 35301, 35547, 57154, 70602, 71094, 82943, 85731, 165886, 171462, 200039, 248829, 400078, 485809, 497658, 600117, 971618, 1200234, 1457427, 2914854, 3400663, 6801326, 10201989, 20403978

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 -20403977
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 20403978 can be divided by 72 positive divisors. The sum of these divisors (counting 20403978) is 1, the average is 0.013888888888889.

Base conversion 20403978

Base System Value
2 Binary 1001101110101011100001010
3 Ternary 1102101121222220
4 Quaternary 1031311130022
5 Quinary 20210411403
6 Senary 2005154510
8 Octal 115653412
10 Decimal 20403978
12 Duodecimal 69bba36
16 Hexadecimal 137570a
20 Vigesimal 67a9ii
36 Base36 c5bt6

Cryptographic Hash Functions

md5 84ba4083c095e3bdff3d88145902f9fe
sha1 50f53a1756c646964796cbc5e0911beacd01bae6
sha256 e41d0459e3b69294f57f9f949bfd3bd324a3e35bcef219b4183a4dda98cfffa0
sha512 4123568d118f8cbd31ef073c0751fb529ec81e85169b0f4e67b1aeef6b063fe5cfcfe8923023314e35257aa00aea80092f4c746c7e1420f2638236ab9cf6681a
ripemd-160 66c64d7be5f1a8ecafc8041d3675d6bf8ef2b281

20403978 as geometric shapes

Circle

Radius = n
Diameter 40807956
Circumference 128201974.77762
Area 1.3079151364595E+15

Sphere

Radius = n
Volume 3.5582228893582E+22
Surface area 5.231660545838E+15
Circumference 128201974.77762

Square

Length = n
Perimeter 81615912
Area 416322318224484
Diagonal 28855582.413962

Cube

Length = n
Surface area 2497933909346904
Volume 8.4946314219614E+21
Space diagonal 35340726.572518

Equilateral Triangle

Length = n
Perimeter 61211934
Area 1.8027285187242E+14
Altitude 17670363.286259

Triangular Pyramid

Length = n
Surface area 1.8027285187242E+14
Volume 1.0011019136915E+21
Height 9618527.4713208