20109891 (number)

20109891 is an odd 8-digits composite number following 20109890 and preceding 20109892. In scientific notation, it is written as 2.0109891 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 13406592 positive integers (up to 20109891) that are relatively prime to 20109891.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0109891 × 10^7
Engineering notation 2.0109891 × 10^6

Prime Factorization of 20109891

Prime Factorization 3 × 6703297

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20109891
Product of the distinct prime numbers

The prime factorization of 20109891 is 3 × 6703297. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20109891)

Multiplication

n×y
n×2 40219782
n×3 60329673
n×4 80439564
n×5 100549455

Division

n÷y
n÷2 10054945.5
n÷3 6703297
n÷3 5027472.75
n÷5 4021978.2

Exponentiation

ny
n2 404407716031881
n3 8.1325950889601E+21
n4 1.6354560078612E+29
n5 3.2888842053384E+36

Nth Root

y√n
2√n 4484.4053117442
3√n 271.93800400059
4√n 66.965702503179
5√n 28.88563660572

Divisors of 20109891

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20109890
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20109891 can be divided by 4 positive divisors. The sum of these divisors (counting 20109891) is 1, the average is 0.25.

Base conversion 20109891

Base System Value
2 Binary 1001100101101101001000011
3 Ternary 1101211200120210
4 Quaternary 1030231221003
5 Quinary 20122004031
6 Senary 1555005203
8 Octal 114555103
10 Decimal 20109891
12 Duodecimal 6899803
16 Hexadecimal 132da43
20 Vigesimal 65deeb
36 Base36 bz0w3

Cryptographic Hash Functions

md5 5bc7952563b17f331cc3b6774737c68b
sha1 20eda2fb93d499f0596212a63f9e2142f8708e42
sha256 edc26ffefecf4d02d658c338d41e972d9895cbbaf1f80a089ffaae194b9de1dc
sha512 241179ea407b82a8a5f03bf2b5f58f14c751aa1e5cff2502621605f715eca85aa40b1a76078e0494363d199ababeb06529933130112abba582b744ec0560fa93
ripemd-160 9df7012d6c74457f65030b4764fc60ecddcd48e8

20109891 as geometric shapes

Circle

Radius = n
Diameter 40219782
Circumference 126354171.66018
Area 1.2704843097408E+15

Sphere

Radius = n
Volume 3.406573464813E+22
Surface area 5.0819372389631E+15
Circumference 126354171.66018

Square

Length = n
Perimeter 80439564
Area 404407716031881
Diagonal 28439680.590045

Cube

Length = n
Surface area 2426446296191286
Volume 8.1325950889601E+21
Space diagonal 34831352.946672

Equilateral Triangle

Length = n
Perimeter 60329673
Area 1.7511367778503E+14
Altitude 17415676.473336

Triangular Pyramid

Length = n
Surface area 1.7511367778503E+14
Volume 9.5843552267468E+20
Height 9479893.5300149