20989856 (number)

20989856 is an even 8-digits composite number following 20989855 and preceding 20989857. In scientific notation, it is written as 2.0989856 × 10^7. The sum of its digits is 47. It has a total of 7 prime factors and 24 positive divisors. There are 10321920 positive integers (up to 20989856) that are relatively prime to 20989856.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0989856 × 10^7
Engineering notation 2.0989856 × 10^6

Prime Factorization of 20989856

Prime Factorization 2 × 2 × 2 × 2 × 2 × 61 × 10753

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1311866
Product of the distinct prime numbers

The prime factorization of 20989856 is 2 × 2 × 2 × 2 × 2 × 61 × 10753. Since it has a total of 7 prime factors.

Most popular turbo-numbers

8, 3, 15, 90, 229, 716, 3039, 5448, 20728, 83673, 467467, 848653, 3627318, 7207170, 87534092, 83594442, 908283891, 225885225, 9285059978, 9867269575

Basic calculations (n = 20989856)

Multiplication

n×y
n×2 41979712
n×3 62969568
n×4 83959424
n×5 104949280

Division

n÷y
n÷2 10494928
n÷3 6996618.6666667
n÷3 5247464
n÷5 4197971.2

Exponentiation

ny
n2 440574054900736
n3 9.2475859697025E+21
n4 1.9410549785168E+29
n5 4.074246448715E+36

Nth Root

y√n
2√n 4581.4687601249
3√n 275.84798742489
4√n 67.686547852028
5√n 29.134119136335

Divisors of 20989856

1, 2, 4, 8, 16, 32, 61, 122, 244, 488, 976, 1952, 10753, 21506, 43012, 86024, 172048, 344096, 655933, 1311866, 2623732, 5247464, 10494928, 20989856

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20989855
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20989856 can be divided by 24 positive divisors. The sum of these divisors (counting 20989856) is 1, the average is 0.041666666666667.

Base conversion 20989856

Base System Value
2 Binary 1010000000100011110100000
3 Ternary 1110111101200002
4 Quaternary 1100010132200
5 Quinary 20333133411
6 Senary 2025515132
8 Octal 120043640
10 Decimal 20989856
12 Duodecimal 7042aa8
16 Hexadecimal 14047a0
20 Vigesimal 6b3ecg
36 Base36 chvvk

Cryptographic Hash Functions

md5 f3ff43b02fb9d18101617e815954afeb
sha1 90683af721af81ae619fc8e211935eef84d65d44
sha256 72663f0af9c81ca5ce3690cec4cad29a8560005fc75931a957acb29d30bd64ab
sha512 7f4e9f20be2289453f3667c555cd1037c6aad7a5899cb2c0554e8547b57533866c96d12b1b283c11ebe2b9372056ee7f57b7b5715b16dd13fc3a8f75b6c089cc
ripemd-160 221b324ea97ba6653fb6ef39869913b5df609599

20989856 as geometric shapes

Circle

Radius = n
Diameter 41979712
Circumference 131883154.81902
Area 1.3841042142384E+15

Sphere

Radius = n
Volume 3.873619752781E+22
Surface area 5.5364168569537E+15
Circumference 131883154.81902

Square

Length = n
Perimeter 83959424
Area 440574054900736
Diagonal 29684139.027458

Cube

Length = n
Surface area 2643444329404416
Volume 9.2475859697025E+21
Space diagonal 36355497.035554

Equilateral Triangle

Length = n
Perimeter 62969568
Area 1.9077416189618E+14
Altitude 18177748.517777

Triangular Pyramid

Length = n
Surface area 1.9077416189618E+14
Volume 1.0898384581304E+21
Height 9894713.0091528