20921243 (number)

20921243 is an odd 8-digits composite number following 20921242 and preceding 20921244. In scientific notation, it is written as 2.0921243 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 17447616 positive integers (up to 20921243) that are relatively prime to 20921243.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand two hundred forty-three

Notation

Scientific notation 2.0921243 × 10^7
Engineering notation 2.0921243 × 10^6

Prime Factorization of 20921243

Prime Factorization 259 × 80777

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20921243
Product of the distinct prime numbers

The prime factorization of 20921243 is 259 × 80777. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20921243)

Multiplication

n×y
n×2 41842486
n×3 62763729
n×4 83684972
n×5 104606215

Division

n÷y
n÷2 10460621.5
n÷3 6973747.6666667
n÷3 5230310.75
n÷5 4184248.6

Exponentiation

ny
n2 437698408665049
n3 9.1571947683948E+21
n4 1.9157989694792E+29
n5 4.0080895779623E+36

Nth Root

y√n
2√n 4573.974529881
3√n 275.54708940223
4√n 67.631165374264
5√n 29.115047083514

Divisors of 20921243

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20921242
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20921243 can be divided by 4 positive divisors. The sum of these divisors (counting 20921243) is 1, the average is 0.25.

Base conversion 20921243

Base System Value
2 Binary 1001111110011101110011011
3 Ternary 1110100220112212
4 Quaternary 1033303232123
5 Quinary 20323434433
6 Senary 2024225335
8 Octal 117635633
10 Decimal 20921243
12 Duodecimal 700b24b
16 Hexadecimal 13f3b9b
20 Vigesimal 6af323
36 Base36 cgexn

Cryptographic Hash Functions

md5 d4ce1b7b905849b4ce2d46d725609715
sha1 fe9df70178ac107c86e4f87014023fc426824457
sha256 9e9a6fdd3ee6888cd67251d83bbd8ed1e57b22b232a55829b75c9504e6e2ec57
sha512 01abe69d4e46c0ed4f2ac9ad0f3d855f29bafe63a900dc01ccf7de51a0cb3e6da30ff6616e1743dc1cbf70256145b21e514e19bac863c37dc355a8d9cd610bbe
ripemd-160 e9087ec744230cc6fbd98213f78bc04daed4f00c

20921243 as geometric shapes

Circle

Radius = n
Diameter 41842486
Circumference 131452046.62553
Area 1.3750701051501E+15

Sphere

Radius = n
Volume 3.8357567749173E+22
Surface area 5.5002804206002E+15
Circumference 131452046.62553

Square

Length = n
Perimeter 83684972
Area 437698408665049
Diagonal 29587105.592303

Cube

Length = n
Surface area 2626190451990294
Volume 9.1571947683948E+21
Space diagonal 36236655.833495

Equilateral Triangle

Length = n
Perimeter 62763729
Area 1.8952897054998E+14
Altitude 18118327.916747

Triangular Pyramid

Length = n
Surface area 1.8952897054998E+14
Volume 1.0791857528963E+21
Height 9862368.5307677