20928081 (number)

20928081 is an odd 8-digits composite number following 20928080 and preceding 20928082. In scientific notation, it is written as 2.0928081 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 13534080 positive integers (up to 20928081) that are relatively prime to 20928081.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0928081 × 10^7
Engineering notation 2.0928081 × 10^6

Prime Factorization of 20928081

Prime Factorization 3 × 41 × 229 × 743

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20928081
Product of the distinct prime numbers

The prime factorization of 20928081 is 3 × 41 × 229 × 743. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 10, 28, 71, 250, 437, 3129, 6577, 83345, 18860, 597179, 736352, 4986641, 5633443, 83070216, 77956109, 66222676, 433888324, 5501260082, 4601677956

Basic calculations (n = 20928081)

Multiplication

n×y
n×2 41856162
n×3 62784243
n×4 83712324
n×5 104640405

Division

n÷y
n÷2 10464040.5
n÷3 6976027
n÷3 5232020.25
n÷5 4185616.2

Exponentiation

ny
n2 437984574342561
n3 9.1661766485916E+21
n4 1.9183048736203E+29
n5 4.0146439777821E+36

Nth Root

y√n
2√n 4574.7219587643
3√n 275.5771065122
4√n 67.636690921158
5√n 29.116950055232

Divisors of 20928081

1, 3, 41, 123, 229, 687, 743, 2229, 9389, 28167, 30463, 91389, 170147, 510441, 6976027, 20928081

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20928080
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20928081 can be divided by 16 positive divisors. The sum of these divisors (counting 20928081) is 1, the average is 0.0625.

Base conversion 20928081

Base System Value
2 Binary 1001111110101011001010001
3 Ternary 1110101020221010
4 Quaternary 1033311121101
5 Quinary 20324144311
6 Senary 2024321133
8 Octal 117653121
10 Decimal 20928081
12 Duodecimal 70131a9
16 Hexadecimal 13f5651
20 Vigesimal 6ag041
36 Base36 cgk7l

Cryptographic Hash Functions

md5 6f5e99c7790709ea4ea0aa9a56a1bd14
sha1 d2cb06e0e760d631b3202beb96910a01bb28ad87
sha256 077c1ac27d800ef7bf93eafa58cf49261473274c6f3272820e7028a2b133309b
sha512 c0febbfec40b440adb1cfc291864111c2a4f9f2d3acc8ba5c8928dcd10508d228bccff3ad77798d8b93949211910f9f5285b13a628e17172e0b5783a6315bee8
ripemd-160 fa2badd7d0643d923e01a01b72b0a244a2997ade

20928081 as geometric shapes

Circle

Radius = n
Diameter 41856162
Circumference 131495011.04666
Area 1.3759691211402E+15

Sphere

Radius = n
Volume 3.8395190960962E+22
Surface area 5.503876484561E+15
Circumference 131495011.04666

Square

Length = n
Perimeter 83712324
Area 437984574342561
Diagonal 29596775.984643

Cube

Length = n
Surface area 2627907446055366
Volume 9.1661766485916E+21
Space diagonal 36248499.596917

Equilateral Triangle

Length = n
Perimeter 62784243
Area 1.8965288392319E+14
Altitude 18124249.798458

Triangular Pyramid

Length = n
Surface area 1.8965288392319E+14
Volume 1.0802442776288E+21
Height 9865591.9948809