20989855 (number)

20989855 is an odd 8-digits composite number following 20989854 and preceding 20989856. In scientific notation, it is written as 2.0989855 × 10^7. The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors. There are 16293888 positive integers (up to 20989855) that are relatively prime to 20989855.

Interesting facts

Basic properties

Name

Name twenty million nine hundred eighty-nine thousand eight hundred fifty-five

Notation

Scientific notation 2.0989855 × 10^7
Engineering notation 2.0989855 × 10^6

Prime Factorization of 20989855

Prime Factorization 5 × 53 × 103 × 769

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20989855
Product of the distinct prime numbers

The prime factorization of 20989855 is 5 × 53 × 103 × 769. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 10, 44, 73, 503, 176, 4143, 9444, 33410, 99734, 931099, 726735, 9996072, 7653987, 96935683, 39067587, 156596329, 101302461, 3163128881, 5640282246

Basic calculations (n = 20989855)

Multiplication

n×y
n×2 41979710
n×3 62969565
n×4 83959420
n×5 104949275

Division

n÷y
n÷2 10494927.5
n÷3 6996618.3333333
n÷3 5247463.75
n÷5 4197971

Exponentiation

ny
n2 440574012921025
n3 9.2475846479804E+21
n4 1.9410546086134E+29
n5 4.0742454781876E+36

Nth Root

y√n
2√n 4581.4686509895
3√n 275.84798304423
4√n 67.686547045846
5√n 29.134118858733

Divisors of 20989855

1, 5, 53, 103, 265, 515, 769, 3845, 5459, 27295, 40757, 79207, 203785, 396035, 4197971, 20989855

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20989854
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20989855 can be divided by 16 positive divisors. The sum of these divisors (counting 20989855) is 1, the average is 0.0625.

Base conversion 20989855

Base System Value
2 Binary 1010000000100011110011111
3 Ternary 1110111101200001
4 Quaternary 1100010132133
5 Quinary 20333133410
6 Senary 2025515131
8 Octal 120043637
10 Decimal 20989855
12 Duodecimal 7042aa7
16 Hexadecimal 140479f
20 Vigesimal 6b3ecf
36 Base36 chvvj

Cryptographic Hash Functions

md5 1aa5b60bd97231070cd60bf364647fe1
sha1 5db3d3d3a7f64dc56146abb2cafbccc9e232a858
sha256 7de7245c35a48b21765df2de8863004b2b51c2e5a5c49d606dee5589a1461074
sha512 daaa356f4df3d9a00841d9572e869934def2af2506cf703757db35d0a90c1439aa2440cd18a6038a8a85c423993e2b025db5e77a32ced3f130926eddbb9c03ec
ripemd-160 56ceec9f0ea35451ecd6cb9f184bdf052da1abcb

20989855 as geometric shapes

Circle

Radius = n
Diameter 41979710
Circumference 131883148.53583
Area 1.3841040823553E+15

Sphere

Radius = n
Volume 3.8736191991393E+22
Surface area 5.5364163294211E+15
Circumference 131883148.53583

Square

Length = n
Perimeter 83959420
Area 440574012921025
Diagonal 29684137.613245

Cube

Length = n
Surface area 2643444077526150
Volume 9.2475846479804E+21
Space diagonal 36355495.303504

Equilateral Triangle

Length = n
Perimeter 62969565
Area 1.9077414371843E+14
Altitude 18177747.651752

Triangular Pyramid

Length = n
Surface area 1.9077414371843E+14
Volume 1.0898383023639E+21
Height 9894712.5377482