20921841 (number)

20921841 is an odd 8-digits composite number following 20921840 and preceding 20921842. In scientific notation, it is written as 2.0921841 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 13718160 positive integers (up to 20921841) that are relatively prime to 20921841.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0921841 × 10^7
Engineering notation 2.0921841 × 10^6

Prime Factorization of 20921841

Prime Factorization 27 × 61 × 12703

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20921841
Product of the distinct prime numbers

The prime factorization of 20921841 is 27 × 61 × 12703. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20921841)

Multiplication

n×y
n×2 41843682
n×3 62765523
n×4 83687364
n×5 104609205

Division

n÷y
n÷2 10460920.5
n÷3 6973947
n÷3 5230460.25
n÷5 4184368.2

Exponentiation

ny
n2 437723430829281
n3 9.1579800217847E+21
n4 1.9160180189696E+29
n5 4.0086624346016E+36

Nth Root

y√n
2√n 4574.0398992575
3√n 275.54971473365
4√n 67.631648651039
5√n 29.115213522947

Divisors of 20921841

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 -20921840
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 20921841 can be divided by 8 positive divisors. The sum of these divisors (counting 20921841) is 1, the average is 0.125.

Base conversion 20921841

Base System Value
2 Binary 1001111110011110111110001
3 Ternary 1110100221101000
4 Quaternary 1033303313301
5 Quinary 20323444331
6 Senary 2024232213
8 Octal 117636761
10 Decimal 20921841
12 Duodecimal 700b669
16 Hexadecimal 13f3df1
20 Vigesimal 6af4c1
36 Base36 cgfe9

Cryptographic Hash Functions

md5 87220eb24223ce400a3dd671803ccdf2
sha1 77f0fc0fd414fe961cb8a8a508cbdc8a629ef373
sha256 ccc332d9c991b2961ba6765665e016eab3354a0e525560e43bd7386e555512ec
sha512 c57bc8134893fb29c208e97622f49eb498da8700676c04955e0ad8bbff78a4e912dab29e7c0335e11754e1c755525f503a8d6fa45d06157bef2d09f84fbdb619
ripemd-160 0d293af7dbbef9ff39b3669ec447b1aabee32a53

20921841 as geometric shapes

Circle

Radius = n
Diameter 41843682
Circumference 131455803.97035
Area 1.3751487145974E+15

Sphere

Radius = n
Volume 3.8360857010881E+22
Surface area 5.5005948583896E+15
Circumference 131455803.97035

Square

Length = n
Perimeter 83687364
Area 437723430829281
Diagonal 29587951.292013

Cube

Length = n
Surface area 2626340584975686
Volume 9.1579800217847E+21
Space diagonal 36237691.599878

Equilateral Triangle

Length = n
Perimeter 62765523
Area 1.8953980546492E+14
Altitude 18118845.799939

Triangular Pyramid

Length = n
Surface area 1.8953980546492E+14
Volume 1.0792782958958E+21
Height 9862650.4306712