20101491 (number)

20101491 is an odd 8-digits composite number following 20101490 and preceding 20101492. In scientific notation, it is written as 2.0101491 × 10^7. The sum of its digits is 18. It has a total of 2 prime factors and 4 positive divisors. There are 13400988 positive integers (up to 20101491) that are relatively prime to 20101491.

Interesting facts

Basic properties

Name

Name twenty million one hundred one thousand four hundred ninety-one

Notation

Scientific notation 2.0101491 × 10^7
Engineering notation 2.0101491 × 10^6

Prime Factorization of 20101491

Prime Factorization 9 × 2233499

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20101491
Product of the distinct prime numbers

The prime factorization of 20101491 is 9 × 2233499. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20101491)

Multiplication

n×y
n×2 40202982
n×3 60304473
n×4 80405964
n×5 100507455

Division

n÷y
n÷2 10050745.5
n÷3 6700497
n÷3 5025372.75
n÷5 4020298.2

Exponentiation

ny
n2 404069940423081
n3 8.1224082707851E+21
n4 1.6327251675351E+29
n5 3.2820210260681E+36

Nth Root

y√n
2√n 4483.4686348853
3√n 271.90013544859
4√n 66.958708432028
5√n 28.88322306804

Divisors of 20101491

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 -20101490
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 20101491 can be divided by 4 positive divisors. The sum of these divisors (counting 20101491) is 1, the average is 0.25.

Base conversion 20101491

Base System Value
2 Binary 1001100101011100101110011
3 Ternary 1101211021001200
4 Quaternary 1030223211303
5 Quinary 20121221431
6 Senary 1554502243
8 Octal 114534563
10 Decimal 20101491
12 Duodecimal 6894983
16 Hexadecimal 132b973
20 Vigesimal 65cdeb
36 Base36 byuer

Cryptographic Hash Functions

md5 d428d861fd14e5bf01ca5f1f2b22850d
sha1 59610b51db687ba4895e6c518471d41aeb8a431f
sha256 1063ddd59928aeead01e3b65185d8e772610d8c214c8c5aabedf0453759aa29f
sha512 3c84bdde6514115327ad52479705860dd11e5ea672401c04a68d100150657dd2826e8843225321f4d5a291aca9c64be0fbdff021637fd89e9988086fb6379f3e
ripemd-160 25fcf7a99d6e3a1bbc96127daf6fe0ec5bcf56a8

20101491 as geometric shapes

Circle

Radius = n
Diameter 40202982
Circumference 126301392.9036
Area 1.2694231563696E+15

Sphere

Radius = n
Volume 3.4023064203941E+22
Surface area 5.0776926254785E+15
Circumference 126301392.9036

Square

Length = n
Perimeter 80405964
Area 404069940423081
Diagonal 28427801.196121

Cube

Length = n
Surface area 2424419642538486
Volume 8.1224082707851E+21
Space diagonal 34816803.719889

Equilateral Triangle

Length = n
Perimeter 60304473
Area 1.7496741665603E+14
Altitude 17408401.859944

Triangular Pyramid

Length = n
Surface area 1.7496741665603E+14
Volume 9.5723499463964E+20
Height 9475933.7320402