20921500 (number)

20921500 is an even 8-digits composite number following 20921499 and preceding 20921501. In scientific notation, it is written as 2.0921500 × 10^7. The sum of its digits is 19. It has a total of 5 prime factors and 24 positive divisors. There are 8368400 positive integers (up to 20921500) that are relatively prime to 20921500.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand five hundred

Notation

Scientific notation 2.0921500 × 10^7
Engineering notation 2.0921500 × 10^6

Prime Factorization of 20921500

Prime Factorization 2 × 2 × 5 × 25 × 41843

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10460750
Product of the distinct prime numbers

The prime factorization of 20921500 is 2 × 2 × 5 × 25 × 41843. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 8, 70, 8, 62, 111, 3214, 7822, 94885, 96163, 693321, 668145, 406994, 6110760, 36562939, 56440827, 233760770, 269832444, 8360566519, 4651392431

Basic calculations (n = 20921500)

Multiplication

n×y
n×2 41843000
n×3 62764500
n×4 83686000
n×5 104607500

Division

n÷y
n÷2 10460750
n÷3 6973833.3333333
n÷3 5230375
n÷5 4184300

Exponentiation

ny
n2 437709162250000
n3 9.1575322380134E+21
n4 1.915893107176E+29
n5 4.0083357641782E+36

Nth Root

y√n
2√n 4574.0026235235
3√n 275.54821768624
4√n 67.631373071405
5√n 29.115118613971

Divisors of 20921500

1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 41843, 83686, 167372, 209215, 418430, 836860, 1046075, 2092150, 4184300, 5230375, 10460750, 20921500

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20921499
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20921500 can be divided by 24 positive divisors. The sum of these divisors (counting 20921500) is 1, the average is 0.041666666666667.

Base conversion 20921500

Base System Value
2 Binary 1001111110011110010011100
3 Ternary 1110100220220101
4 Quaternary 1033303302130
5 Quinary 20323442000
6 Senary 2024230444
8 Octal 117636234
10 Decimal 20921500
12 Duodecimal 700b424
16 Hexadecimal 13f3c9c
20 Vigesimal 6af3f0
36 Base36 cgf4s

Cryptographic Hash Functions

md5 9fed208496ebaadb8a88a26f9bc27be6
sha1 a33becdc5fbaa4169aec6439fbc790632f6fde4d
sha256 3325766c100333d46a86a6207fc4b831d1ab1db0c850ca627c56e4b1bd66d2d4
sha512 319c907ef6718b4faaf4bac2f9e2a17e9279591d6d87ea6c3c76b2adb0ee929fcf94098dae88cb3d271d48d2ea6c22e55cbb72a5b3439f24f2b6db31648fec40
ripemd-160 4c275216ff3aa997c8069fef12a4c1750741e54a

20921500 as geometric shapes

Circle

Radius = n
Diameter 41843000
Circumference 131453661.40416
Area 1.3751038885335E+15

Sphere

Radius = n
Volume 3.8358981338606E+22
Surface area 5.5004155541342E+15
Circumference 131453661.40416

Square

Length = n
Perimeter 83686000
Area 437709162250000
Diagonal 29587469.045189

Cube

Length = n
Surface area 2626254973500000
Volume 9.1575322380134E+21
Space diagonal 36237100.970552

Equilateral Triangle

Length = n
Perimeter 62764500
Area 1.8953362698885E+14
Altitude 18118550.485276

Triangular Pyramid

Length = n
Surface area 1.8953362698885E+14
Volume 1.0792255240723E+21
Height 9862489.6817296