20921873 (number)

20921873 is an odd 8-digits composite number following 20921872 and preceding 20921874. In scientific notation, it is written as 2.0921873 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 17684352 positive integers (up to 20921873) that are relatively prime to 20921873.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand eight hundred seventy-three

Notation

Scientific notation 2.0921873 × 10^7
Engineering notation 2.0921873 × 10^6

Prime Factorization of 20921873

Prime Factorization 49 × 73 × 5849

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20921873
Product of the distinct prime numbers

The prime factorization of 20921873 is 49 × 73 × 5849. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20921873)

Multiplication

n×y
n×2 41843746
n×3 62765619
n×4 83687492
n×5 104609365

Division

n÷y
n÷2 10460936.5
n÷3 6973957.6666667
n÷3 5230468.25
n÷5 4184374.6

Exponentiation

ny
n2 437724769828129
n3 9.1580220432983E+21
n4 1.9160297412109E+29
n5 4.0086930909837E+36

Nth Root

y√n
2√n 4574.0433972581
3√n 275.5498552182
4√n 67.631674511711
5√n 29.115222429298

Divisors of 20921873

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 -20921872
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 20921873 can be divided by 8 positive divisors. The sum of these divisors (counting 20921873) is 1, the average is 0.125.

Base conversion 20921873

Base System Value
2 Binary 1001111110011111000010001
3 Ternary 1110100221102012
4 Quaternary 1033303320101
5 Quinary 20323444443
6 Senary 2024232305
8 Octal 117637021
10 Decimal 20921873
12 Duodecimal 700b695
16 Hexadecimal 13f3e11
20 Vigesimal 6af4dd
36 Base36 cgff5

Cryptographic Hash Functions

md5 bffebc201b3a8e136f3e905b6b975359
sha1 ea49e0c79dc3af32b4b0be0c2706eab419526d5b
sha256 4cd2c1850b53b3cf94e2aa32944b0f25e7019a36cd9d96de2bee1010ed595daa
sha512 c6f54e67d236e38a4488b91aac2f3a10014dd223320c3e292977f65f64b429dc4744b702ff8421a7d6f0dfccb59b2007a7121a80c06b724aa3ea67dde90e867a
ripemd-160 40d68a285c6532e2fab6128ba1e1f46ad23af2f5

20921873 as geometric shapes

Circle

Radius = n
Diameter 41843746
Circumference 131456005.03228
Area 1.3751529211863E+15

Sphere

Radius = n
Volume 3.8361033030186E+22
Surface area 5.5006116847453E+15
Circumference 131456005.03228

Square

Length = n
Perimeter 83687492
Area 437724769828129
Diagonal 29587996.546847

Cube

Length = n
Surface area 2626348618968774
Volume 9.1580220432983E+21
Space diagonal 36237747.025503

Equilateral Triangle

Length = n
Perimeter 62765619
Area 1.8954038526843E+14
Altitude 18118873.512752

Triangular Pyramid

Length = n
Surface area 1.8954038526843E+14
Volume 1.0792832481787E+21
Height 9862665.5156158