20921889 (number)

20921889 is an odd 8-digits composite number following 20921888 and preceding 20921890. In scientific notation, it is written as 2.0921889 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 13739616 positive integers (up to 20921889) that are relatively prime to 20921889.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0921889 × 10^7
Engineering notation 2.0921889 × 10^6

Prime Factorization of 20921889

Prime Factorization 3 × 67 × 104089

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20921889
Product of the distinct prime numbers

The prime factorization of 20921889 is 3 × 67 × 104089. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 9, 92, 42, 884, 919, 3614, 4074, 91559, 77318, 107032, 301201, 4692546, 2629983, 88801069, 51052913, 31842834, 139627378, 2748877371, 8956400556

Basic calculations (n = 20921889)

Multiplication

n×y
n×2 41843778
n×3 62765667
n×4 83687556
n×5 104609445

Division

n÷y
n÷2 10460944.5
n÷3 6973963
n÷3 5230472.25
n÷5 4184377.8

Exponentiation

ny
n2 437725439328321
n3 9.1580430541034E+21
n4 1.9160356023517E+29
n5 4.0087084192451E+36

Nth Root

y√n
2√n 4574.0451462573
3√n 275.54992546042
4√n 67.631687442036
5√n 29.115226882469

Divisors of 20921889

1, 3, 67, 201, 104089, 312267, 6973963, 20921889

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20921888
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20921889 can be divided by 8 positive divisors. The sum of these divisors (counting 20921889) is 1, the average is 0.125.

Base conversion 20921889

Base System Value
2 Binary 1001111110011111000100001
3 Ternary 1110100221102210
4 Quaternary 1033303320201
5 Quinary 20324000024
6 Senary 2024232333
8 Octal 117637041
10 Decimal 20921889
12 Duodecimal 700b6a9
16 Hexadecimal 13f3e21
20 Vigesimal 6af4e9
36 Base36 cgffl

Cryptographic Hash Functions

md5 bcfeb78330e2f87e2455b9a84429d90b
sha1 5ff2392325f34ffdf391d6e81ce875544f142cc5
sha256 3d0c8906df99dbc7fc79500e2c614d8d8b329349033574e83438fcebb83f21d6
sha512 04011be7802a254f5f54538caf1464aa640f7005e2e5ff122ba43ed4fa27e3b2706384ef3136532b567353afefa8a4b448efe93fdfc4c93be1d53cd040ff8f86
ripemd-160 324edae781c1464135ceb84f3368708940c4e9a7

20921889 as geometric shapes

Circle

Radius = n
Diameter 41843778
Circumference 131456105.56324
Area 1.3751550244832E+15

Sphere

Radius = n
Volume 3.836112104004E+22
Surface area 5.5006200979329E+15
Circumference 131456105.56324

Square

Length = n
Perimeter 83687556
Area 437725439328321
Diagonal 29588019.174264

Cube

Length = n
Surface area 2626352635969926
Volume 9.1580430541034E+21
Space diagonal 36237774.738316

Equilateral Triangle

Length = n
Perimeter 62765667
Area 1.8954067517052E+14
Altitude 18118887.369158

Triangular Pyramid

Length = n
Surface area 1.8954067517052E+14
Volume 1.0792857243258E+21
Height 9862673.0580882