20105890 (number)

20105890 is an even 8-digits composite number following 20105889 and preceding 20105891. In scientific notation, it is written as 2.0105890 × 10^7. The sum of its digits is 25. It has a total of 5 prime factors and 32 positive divisors. There are 6865344 positive integers (up to 20105890) that are relatively prime to 20105890.

Interesting facts

Basic properties

Name

Name twenty million one hundred five thousand eight hundred ninety

Notation

Scientific notation 2.0105890 × 10^7
Engineering notation 2.0105890 × 10^6

Prime Factorization of 20105890

Prime Factorization 2 × 7 × 5 × 349 × 823

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20105890
Product of the distinct prime numbers

The prime factorization of 20105890 is 2 × 7 × 5 × 349 × 823. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20105890)

Multiplication

n×y
n×2 40211780
n×3 60317670
n×4 80423560
n×5 100529450

Division

n÷y
n÷2 10052945
n÷3 6701963.3333333
n÷3 5026472.5
n÷5 4021178

Exponentiation

ny
n2 404246812692100
n3 8.127741948838E+21
n4 1.6341548557172E+29
n5 3.2856137772016E+36

Nth Root

y√n
2√n 4483.9591880391
3√n 271.91996816409
4√n 66.962371433807
5√n 28.884487115346

Divisors of 20105890

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20105889
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20105890 can be divided by 32 positive divisors. The sum of these divisors (counting 20105890) is 1, the average is 0.03125.

Base conversion 20105890

Base System Value
2 Binary 1001100101100101010100010
3 Ternary 1101211111002121
4 Quaternary 1030230222202
5 Quinary 20121342030
6 Senary 1554534454
8 Octal 114545242
10 Decimal 20105890
12 Duodecimal 689742a
16 Hexadecimal 132caa2
20 Vigesimal 65d4ea
36 Base36 byxsy

Cryptographic Hash Functions

md5 8843a2894b5887de9a4d93a6eb40e853
sha1 9aa573fc4031eb312ab54d10482dbd803ac7ad9f
sha256 b78df5510cd67626bc156b9b83d238ccbb312a88bcab0497551b127c5faf12f3
sha512 8a16ce808129861692f4bd328aa5de299e189facb7174392b2f63e26055c176a8915735dd61ef8b3cba6e6cb81bb595502c32377cc30080170a8f2fd311627ef
ripemd-160 1e082d2265b3feb7774c6d1ea145a8adbe8749f0

20105890 as geometric shapes

Circle

Radius = n
Diameter 40211780
Circumference 126329032.63577
Area 1.2699788169906E+15

Sphere

Radius = n
Volume 3.4045405862324E+22
Surface area 5.0799152679624E+15
Circumference 126329032.63577

Square

Length = n
Perimeter 80423560
Area 404246812692100
Diagonal 28434022.321582

Cube

Length = n
Surface area 2425480876152600
Volume 8.127741948838E+21
Space diagonal 34824423.011391

Equilateral Triangle

Length = n
Perimeter 60317670
Area 1.7504400459512E+14
Altitude 17412211.505696

Triangular Pyramid

Length = n
Surface area 1.7504400459512E+14
Volume 9.5786357462628E+20
Height 9478007.4405272