20842457 (number)

20842457 is an odd 8-digits composite number following 20842456 and preceding 20842458. In scientific notation, it is written as 2.0842457 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 20827620 positive integers (up to 20842457) that are relatively prime to 20842457.

Interesting facts

Basic properties

Name

Name twenty million eight hundred forty-two thousand four hundred fifty-seven

Notation

Scientific notation 2.0842457 × 10^7
Engineering notation 2.0842457 × 10^6

Prime Factorization of 20842457

Prime Factorization 1571 × 13267

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20842457
Product of the distinct prime numbers

The prime factorization of 20842457 is 1571 × 13267. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20842457)

Multiplication

n×y
n×2 41684914
n×3 62527371
n×4 83369828
n×5 104212285

Division

n÷y
n÷2 10421228.5
n÷3 6947485.6666667
n÷3 5210614.25
n÷5 4168491.4

Exponentiation

ny
n2 434408013796849
n3 9.0541303480162E+21
n4 1.8871032245092E+29
n5 3.9331867811395E+36

Nth Root

y√n
2√n 4565.3539840849
3√n 275.20076579047
4√n 67.567403265812
5√n 29.093085470181

Divisors of 20842457

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 -20842456
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 20842457 can be divided by 4 positive divisors. The sum of these divisors (counting 20842457) is 1, the average is 0.25.

Base conversion 20842457

Base System Value
2 Binary 1001111100000011111011001
3 Ternary 1110012220110212
4 Quaternary 1033200133121
5 Quinary 20313424312
6 Senary 2022420505
8 Octal 117403731
10 Decimal 20842457
12 Duodecimal 6b91735
16 Hexadecimal 13e07d9
20 Vigesimal 6a562h
36 Base36 ceq55

Cryptographic Hash Functions

md5 794ec83d4ce4df9a1d88db1b58fa3be3
sha1 1fa93a58b89f0562ef773afdeb0aee45d765649e
sha256 f7383dc486fa7dcf87a37323cc871d51608fe8241c1b71218c991c40d2daef33
sha512 b6bcf69bb5a378eb214f218a6fa299b7d238ba12f0ccee8d979fa877a23a1322bf632790a3e5955f1908205a5faad78369f63da6a0fb8d3bc1632d188a4582bc
ripemd-160 c73ca4f0b098bbd6b4028f59c269f2feb4872201

20842457 as geometric shapes

Circle

Radius = n
Diameter 41684914
Circumference 130957019.58792
Area 1.3647330248047E+15

Sphere

Radius = n
Volume 3.792585251463E+22
Surface area 5.4589320992189E+15
Circumference 130957019.58792

Square

Length = n
Perimeter 83369828
Area 434408013796849
Diagonal 29475685.362578

Cube

Length = n
Surface area 2606448082781094
Volume 9.0541303480162E+21
Space diagonal 36100194.47857

Equilateral Triangle

Length = n
Perimeter 62527371
Area 1.8810418777781E+14
Altitude 18050097.239285

Triangular Pyramid

Length = n
Surface area 1.8810418777781E+14
Volume 1.0670394944715E+21
Height 9825228.4541927