20984857 (number)

20984857 is an odd 8-digits composite number following 20984856 and preceding 20984858. In scientific notation, it is written as 2.0984857 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 20966580 positive integers (up to 20984857) that are relatively prime to 20984857.

Interesting facts

Basic properties

Name

Name twenty million nine hundred eighty-four thousand eight hundred fifty-seven

Notation

Scientific notation 2.0984857 × 10^7
Engineering notation 2.0984857 × 10^6

Prime Factorization of 20984857

Prime Factorization 1231 × 17047

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20984857
Product of the distinct prime numbers

The prime factorization of 20984857 is 1231 × 17047. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20984857)

Multiplication

n×y
n×2 41969714
n×3 62954571
n×4 83939428
n×5 104924285

Division

n÷y
n÷2 10492428.5
n÷3 6994952.3333333
n÷3 5246214.25
n÷5 4196971.4

Exponentiation

ny
n2 440364223310449
n3 9.2409802540858E+21
n4 1.9392064917181E+29
n5 4.0693970922177E+36

Nth Root

y√n
2√n 4580.9231602375
3√n 275.82608678907
4√n 67.682517389925
5√n 29.132731272235

Divisors of 20984857

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 -20984856
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 20984857 can be divided by 4 positive divisors. The sum of these divisors (counting 20984857) is 1, the average is 0.25.

Base conversion 20984857

Base System Value
2 Binary 1010000000011010000011001
3 Ternary 1110111010210221
4 Quaternary 1100003100121
5 Quinary 20333003412
6 Senary 2025440041
8 Octal 120032031
10 Decimal 20984857
12 Duodecimal 7040021
16 Hexadecimal 1403419
20 Vigesimal 6b322h
36 Base36 chs0p

Cryptographic Hash Functions

md5 8ed95ab35902058c3125a3979564ad39
sha1 1e07530e9b0fd8298290480c38293af748154f84
sha256 a44a2c3c7cc9e663ae6ec7d2c1d4194b1d1d50b7ba56f013b1f68b2193dd6860
sha512 1d2b2b0618a5a807059783e8447f9272c0c74f4c9ffddad0d2cc692f3ff54c49471f27f02e331997a02ec727b1383ccf799f8a1110fc5cd6f700b584c05e2211
ripemd-160 2f1806eba8928b66f99dbc542e0b07bac7150ada

20984857 as geometric shapes

Circle

Radius = n
Diameter 41969714
Circumference 131851745.17566
Area 1.3834450088559E+15

Sphere

Radius = n
Volume 3.8708527570939E+22
Surface area 5.5337800354235E+15
Circumference 131851745.17566

Square

Length = n
Perimeter 83939428
Area 440364223310449
Diagonal 29677069.37386

Cube

Length = n
Surface area 2642185339862694
Volume 9.2409802540858E+21
Space diagonal 36346838.513567

Equilateral Triangle

Length = n
Perimeter 62954571
Area 1.9068330215233E+14
Altitude 18173419.256784

Triangular Pyramid

Length = n
Surface area 1.9068330215233E+14
Volume 1.0890599670792E+21
Height 9892356.4579533