20989857 (number)

20989857 is an odd 8-digits composite number following 20989856 and preceding 20989858. In scientific notation, it is written as 2.0989857 × 10^7. The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors. There are 11948160 positive integers (up to 20989857) that are relatively prime to 20989857.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0989857 × 10^7
Engineering notation 2.0989857 × 10^6

Prime Factorization of 20989857

Prime Factorization 5901 × 3557

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20989857
Product of the distinct prime numbers

The prime factorization of 20989857 is 5901 × 3557. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20989857)

Multiplication

n×y
n×2 41979714
n×3 62969571
n×4 83959428
n×5 104949285

Division

n÷y
n÷2 10494928.5
n÷3 6996619
n÷3 5247464.25
n÷5 4197971.4

Exponentiation

ny
n2 440574096880449
n3 9.2475872914248E+21
n4 1.9410553484202E+29
n5 4.0742474192426E+36

Nth Root

y√n
2√n 4581.4688692602
3√n 275.84799180555
4√n 67.68654865821
5√n 29.134119413937

Divisors of 20989857

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 -20989856
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 20989857 can be divided by 4 positive divisors. The sum of these divisors (counting 20989857) is 1, the average is 0.25.

Base conversion 20989857

Base System Value
2 Binary 1010000000100011110100001
3 Ternary 1110111101200010
4 Quaternary 1100010132201
5 Quinary 20333133412
6 Senary 2025515133
8 Octal 120043641
10 Decimal 20989857
12 Duodecimal 7042aa9
16 Hexadecimal 14047a1
20 Vigesimal 6b3ech
36 Base36 chvvl

Cryptographic Hash Functions

md5 33e06fdd229b760b3b53b65f68f48b32
sha1 4822f36e472c7916fc1fbc7298c412d268a63be2
sha256 b58116e4ada3b828ab3b641e7033c4c4795812816059a2feb6ed27da2e1cd3a3
sha512 18a4788a41cd366952493af6c667ff1ee82a7994bc4ef7c0236549093a6f9ab0bef459615f615d4e5055820d0d95e6669de111fd980b425a40c54496fed785c5
ripemd-160 62705256608ca97ce5c47982c392d12342cdd63c

20989857 as geometric shapes

Circle

Radius = n
Diameter 41979714
Circumference 131883161.1022
Area 1.3841043461216E+15

Sphere

Radius = n
Volume 3.8736203064227E+22
Surface area 5.5364173844863E+15
Circumference 131883161.1022

Square

Length = n
Perimeter 83959428
Area 440574096880449
Diagonal 29684140.441672

Cube

Length = n
Surface area 2643444581282694
Volume 9.2475872914248E+21
Space diagonal 36355498.767605

Equilateral Triangle

Length = n
Perimeter 62969571
Area 1.9077418007393E+14
Altitude 18177749.383803

Triangular Pyramid

Length = n
Surface area 1.9077418007393E+14
Volume 1.0898386138968E+21
Height 9894713.4805573