20201989 (number)

20201989 is an odd 8-digits composite number following 20201988 and preceding 20201990. In scientific notation, it is written as 2.0201989 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 20161324 positive integers (up to 20201989) that are relatively prime to 20201989.

Interesting facts

Basic properties

Name

Name twenty million two hundred one thousand nine hundred eighty-nine

Notation

Scientific notation 2.0201989 × 10^7
Engineering notation 2.0201989 × 10^6

Prime Factorization of 20201989

Prime Factorization 503 × 40163

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20201989
Product of the distinct prime numbers

The prime factorization of 20201989 is 503 × 40163. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20201989)

Multiplication

n×y
n×2 40403978
n×3 60605967
n×4 80807956
n×5 101009945

Division

n÷y
n÷2 10100994.5
n÷3 6733996.3333333
n÷3 5050497.25
n÷5 4040397.8

Exponentiation

ny
n2 408120359556121
n3 8.2448430144288E+21
n4 1.6656222788422E+29
n5 3.3648882955325E+36

Nth Root

y√n
2√n 4494.662278748
3√n 272.35250666479
4√n 67.042242494922
5√n 28.912045991056

Divisors of 20201989

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 -20201988
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 20201989 can be divided by 4 positive divisors. The sum of these divisors (counting 20201989) is 1, the average is 0.25.

Base conversion 20201989

Base System Value
2 Binary 1001101000100001000000101
3 Ternary 1102000100220211
4 Quaternary 1031010020011
5 Quinary 20132430424
6 Senary 2000555421
8 Octal 115041005
10 Decimal 20201989
12 Duodecimal 6922b71
16 Hexadecimal 1344205
20 Vigesimal 6654j9
36 Base36 c0zyd

Cryptographic Hash Functions

md5 f441f09e3c38265097682ccc401e187d
sha1 c536efe346cfc1a5580d016334fad47c808e1243
sha256 3dfcd5e065567a21c6444d7c16b736c0ddd5f3d2b120cff6800c791f6b30934a
sha512 a76f01ccb514d80c0209d0a6d7fc917d1b41ecf79336ee1fab1f8da1e232c05f96b50d2be5321fa4d06fca904bbe604e17267f99c9aafa01d1570d4da79b7692
ripemd-160 f82205185eb42c626aa744f72d7d255efdfc5dac

20201989 as geometric shapes

Circle

Radius = n
Diameter 40403978
Circumference 126932840.4606
Area 1.2821479233619E+15

Sphere

Radius = n
Volume 3.4535917658841E+22
Surface area 5.1285916934477E+15
Circumference 126932840.4606

Square

Length = n
Perimeter 80807956
Area 408120359556121
Diagonal 28569926.830712

Cube

Length = n
Surface area 2448722157336726
Volume 8.2448430144288E+21
Space diagonal 34990871.361948

Equilateral Triangle

Length = n
Perimeter 60605967
Area 1.7672129958862E+14
Altitude 17495435.680974

Triangular Pyramid

Length = n
Surface area 1.7672129958862E+14
Volume 9.7166406755352E+20
Height 9523308.9435707