20281520 (number)

20281520 is an even 8-digits composite number following 20281519 and preceding 20281521. In scientific notation, it is written as 2.0281520 × 10^7. The sum of its digits is 20. It has a total of 7 prime factors and 40 positive divisors. There are 6953472 positive integers (up to 20281520) that are relatively prime to 20281520.

Interesting facts

Basic properties

Name

Name twenty million two hundred eighty-one thousand five hundred twenty

Notation

Scientific notation 2.0281520 × 10^7
Engineering notation 2.0281520 × 10^6

Prime Factorization of 20281520

Prime Factorization 2 × 2 × 2 × 2 × 7 × 5 × 36217

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 2535190
Product of the distinct prime numbers

The prime factorization of 20281520 is 2 × 2 × 2 × 2 × 7 × 5 × 36217. Since it has a total of 7 prime factors.

Most popular turbo-numbers

8, 4, 73, 59, 372, 453, 6721, 7700, 79691, 86022, 518032, 254417, 35589, 1665405, 58685154, 98035279, 168529835, 499033461, 5210715439, 7174283029

Basic calculations (n = 20281520)

Multiplication

n×y
n×2 40563040
n×3 60844560
n×4 81126080
n×5 101407600

Division

n÷y
n÷2 10140760
n÷3 6760506.6666667
n÷3 5070380
n÷5 4056304

Exponentiation

ny
n2 411340053510400
n3 8.3426015220722E+21
n4 1.6920063962194E+29
n5 3.4316461565051E+36

Nth Root

y√n
2√n 4503.5008604418
3√n 272.70943694808
4√n 67.108128125003
5√n 28.934774362509

Divisors of 20281520

1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 36217, 72434, 144868, 181085, 253519, 289736, 362170, 507038, 579472, 724340, 1014076, 1267595, 1448680, 2028152, 2535190, 2897360, 4056304, 5070380, 10140760, 20281520

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20281519
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20281520 can be divided by 40 positive divisors. The sum of these divisors (counting 20281520) is 1, the average is 0.025.

Base conversion 20281520

Base System Value
2 Binary 1001101010111100010110000
3 Ternary 1102011102000102
4 Quaternary 1031113202300
5 Quinary 20143002040
6 Senary 2002411532
8 Octal 115274260
10 Decimal 20281520
12 Duodecimal 6960ba8
16 Hexadecimal 13578b0
20 Vigesimal 66f3g0
36 Base36 c2pbk

Cryptographic Hash Functions

md5 ad4ea970d6c5ae6603db06e5ef185787
sha1 071bfd298ea81fcdea2b3a441b02c683a8e1bd71
sha256 cfd3af972bdca53898b4ac8b7a830226f8aa13b10e977d85b75bff2b57f90eee
sha512 236956fef7fe4a4bd38067ccc47cf69fe8e26d4c3da1972ccb925b4ae5d4d65faf7dff948f8cb3f9432544229981ac339946d45a42558ca7fe3beab9132b0ec1
ripemd-160 ed81b161541a083ea5ed09ea9de2870f5047bee9

20281520 as geometric shapes

Circle

Radius = n
Diameter 40563040
Circumference 127432548.47127
Area 1.2922628902355E+15

Sphere

Radius = n
Volume 3.4945407538092E+22
Surface area 5.169051560942E+15
Circumference 127432548.47127

Square

Length = n
Perimeter 81126080
Area 411340053510400
Diagonal 28682400.649541

Cube

Length = n
Surface area 2468040321062400
Volume 8.3426015220722E+21
Space diagonal 35128623.094724

Equilateral Triangle

Length = n
Perimeter 60844560
Area 1.7811546796703E+14
Altitude 17564311.547362

Triangular Pyramid

Length = n
Surface area 1.7811546796703E+14
Volume 9.8318501816575E+20
Height 9560800.2165137