20178081 (number)

20178081 is an odd 8-digits composite number following 20178080 and preceding 20178082. In scientific notation, it is written as 2.0178081 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors. There are 10478160 positive integers (up to 20178081) that are relatively prime to 20178081.

Interesting facts

Basic properties

Name

Name twenty million one hundred seventy-eight thousand eighty-one

Notation

Scientific notation 2.0178081 × 10^7
Engineering notation 2.0178081 × 10^6

Prime Factorization of 20178081

Prime Factorization 3 × 21 × 11 × 11 × 2647

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 1834371
Product of the distinct prime numbers

The prime factorization of 20178081 is 3 × 21 × 11 × 11 × 2647. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 9, 27, 74, 484, 271, 2182, 2570, 33355, 22007, 134303, 401467, 3409027, 614525, 24101107, 17095547, 382390533, 794298569, 9155746326, 9297723294

Basic calculations (n = 20178081)

Multiplication

n×y
n×2 40356162
n×3 60534243
n×4 80712324
n×5 100890405

Division

n÷y
n÷2 10089040.5
n÷3 6726027
n÷3 5044520.25
n÷5 4035616.2

Exponentiation

ny
n2 407154952842561
n3 8.2156056180084E+21
n4 1.6577515562423E+29
n5 3.3450245179733E+36

Nth Root

y√n
2√n 4492.0018922525
3√n 272.24502592688
4√n 67.022398437034
5√n 28.90519956973

Divisors of 20178081

1, 3, 11, 21, 33, 63, 121, 231, 363, 693, 2541, 2647, 7623, 7941, 29117, 55587, 87351, 166761, 320287, 611457, 960861, 1834371, 6726027, 20178081

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 -20178080
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 20178081 can be divided by 24 positive divisors. The sum of these divisors (counting 20178081) is 1, the average is 0.041666666666667.

Base conversion 20178081

Base System Value
2 Binary 1001100111110010010100001
3 Ternary 1101222011010100
4 Quaternary 1030332102201
5 Quinary 20131144311
6 Senary 2000253013
8 Octal 114762241
10 Decimal 20178081
12 Duodecimal 6911169
16 Hexadecimal 133e4a1
20 Vigesimal 662541
36 Base36 c0hi9

Cryptographic Hash Functions

md5 54983864152f09c105628ef378dfe1e3
sha1 b8db384571147ec1f548ea3847e481601605b0ec
sha256 6848e5ff2c2003c945b6dd89b41a36b475431b8747a9fb8682b30cf9a74bb2b7
sha512 f3bb86b1129d5a22a8d9230589585c034ccb8ed989ea4a7d3e33871ea916c20ecaf4bd616af6ab9a1896c4edea446f656583349e253bd08a52cedc2bc924db28
ripemd-160 5adc55d63e8946a8a24899c16602393dbcdd0874

20178081 as geometric shapes

Circle

Radius = n
Diameter 40356162
Circumference 126782622.06628
Area 1.2791150087229E+15

Sphere

Radius = n
Volume 3.4413448339102E+22
Surface area 5.1164600348916E+15
Circumference 126782622.06628

Square

Length = n
Perimeter 80712324
Area 407154952842561
Diagonal 28536115.812863

Cube

Length = n
Surface area 2442929717055366
Volume 8.2156056180084E+21
Space diagonal 34949461.49124

Equilateral Triangle

Length = n
Perimeter 60534243
Area 1.7630326621916E+14
Altitude 17474730.74562

Triangular Pyramid

Length = n
Surface area 1.7630326621916E+14
Volume 9.6821840734134E+20
Height 9512038.6042876