20721889 (number)

20721889 is an odd 8-digits prime number following 20721888 and preceding 20721890. In scientific notation, it is written as 2.0721889 × 10^7. The sum of its digits is 37. It has a total of 1 prime factors and 2 positive divisors. There are 20721888 positive integers (up to 20721889) that are relatively prime to 20721889.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0721889 × 10^7
Engineering notation 2.0721889 × 10^6

Prime Factorization of 20721889

Prime Factorization 20721889

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 20721889
Product of the distinct prime numbers

The prime factorization of 20721889 is 20721889. Since it has a total of 1 prime factors.

Most popular turbo-numbers

3, 4, 60, 100, 452, 921, 9069, 3211, 5675, 94182, 861928, 288344, 9783477, 7210299, 89291126, 53103590, 376255951, 363962431, 6432360032, 245734641

Basic calculations (n = 20721889)

Multiplication

n×y
n×2 41443778
n×3 62165667
n×4 82887556
n×5 103609445

Division

n÷y
n÷2 10360944.5
n÷3 6907296.3333333
n÷3 5180472.25
n÷5 4144377.8

Exponentiation

ny
n2 429396683728321
n3 8.8979104171864E+21
n4 1.8438151199688E+29
n5 3.8207332252515E+36

Nth Root

y√n
2√n 4552.130160705
3√n 274.66908515665
4√n 67.469475770195
5√n 29.059348182461

Divisors of 20721889

1, 20721889

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 20721890
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10360945
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4552.1302705437
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999034837
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20721889 can be divided by 2 positive divisors. The sum of these divisors (counting 20721889) is 20721890, the average is 10360945.

Base conversion 20721889

Base System Value
2 Binary 1001111000011000011100001
3 Ternary 1102222210002101
4 Quaternary 1033003003201
5 Quinary 20301100024
6 Senary 2020050401
8 Octal 117030341
10 Decimal 20721889
12 Duodecimal 6b33a01
16 Hexadecimal 13c30e1
20 Vigesimal 69a4e9
36 Base36 cc541

Cryptographic Hash Functions

md5 08786ec43799d30574bd85d56b80ae17
sha1 64f0653f263a49313c17be2a42f4084b071236c5
sha256 5c09f3092b99b2e469803053ff7543ed710a8d8d0a824a5548e13ae528d0967c
sha512 e1826dc47f6861a2d8a6c3910f401e48502d1c38b209bf8e85e1322b3cc9278a5a7205d9b595c6f3244959773ac87d923701f4a08d70291f5e4a6b55be68031a
ripemd-160 1c4e6d9150e7eed473d9fb4cc2c0bac4009041c6

20721889 as geometric shapes

Circle

Radius = n
Diameter 41443778
Circumference 130199468.50181
Area 1.3489894670767E+15

Sphere

Radius = n
Volume 3.7271479998577E+22
Surface area 5.3959578683069E+15
Circumference 130199468.50181

Square

Length = n
Perimeter 82887556
Area 429396683728321
Diagonal 29305176.46179

Cube

Length = n
Surface area 2576380102369926
Volume 8.8979104171864E+21
Space diagonal 35891364.576803

Equilateral Triangle

Length = n
Perimeter 62165667
Area 1.8593421820476E+14
Altitude 17945682.288401

Triangular Pyramid

Length = n
Surface area 1.8593421820476E+14
Volume 1.0486287990638E+21
Height 9768392.15393