20101985 (number)

20101985 is an odd 8-digits composite number following 20101984 and preceding 20101986. In scientific notation, it is written as 2.0101985 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors. There are 15751296 positive integers (up to 20101985) that are relatively prime to 20101985.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0101985 × 10^7
Engineering notation 2.0101985 × 10^6

Prime Factorization of 20101985

Prime Factorization 5 × 89 × 199 × 227

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20101985
Product of the distinct prime numbers

The prime factorization of 20101985 is 5 × 89 × 199 × 227. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 8, 10, 94, 934, 529, 3598, 4922, 78371, 16219, 927293, 247502, 2521093, 9021845, 91440288, 35141200, 144205470, 133438171, 5838304570, 11741237

Basic calculations (n = 20101985)

Multiplication

n×y
n×2 40203970
n×3 60305955
n×4 80407940
n×5 100509925

Division

n÷y
n÷2 10050992.5
n÷3 6700661.6666667
n÷3 5025496.25
n÷5 4020397

Exponentiation

ny
n2 404089800940225
n3 8.1230071171534E+21
n4 1.6328856722391E+29
n5 3.2824243290065E+36

Nth Root

y√n
2√n 4483.523725821
3√n 271.90236277204
4√n 66.95911981068
5√n 28.88336502937

Divisors of 20101985

1, 5, 89, 199, 227, 445, 995, 1135, 17711, 20203, 45173, 88555, 101015, 225865, 4020397, 20101985

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 -20101984
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 20101985 can be divided by 16 positive divisors. The sum of these divisors (counting 20101985) is 1, the average is 0.0625.

Base conversion 20101985

Base System Value
2 Binary 1001100101011101101100001
3 Ternary 1101211021201222
4 Quaternary 1030223231201
5 Quinary 20121230420
6 Senary 1554504425
8 Octal 114535541
10 Decimal 20101985
12 Duodecimal 6895115
16 Hexadecimal 132bb61
20 Vigesimal 65cej5
36 Base36 byush

Cryptographic Hash Functions

md5 f69ab16fe5e6ff3d1a64f1c9413687e3
sha1 ab16eaf2e1416d0ae7fb56e3cf7b310d5e01cf51
sha256 de80a7b1a5881f6041a1dafcea3837a81e2328134c01b377aebbdae07362f825
sha512 4186befd5b38200988d26bcc1ab2a4a234d33f7f0e346e87b5943ea2652e600fabab41ad346bcabb21e429f261bd5751d6067da4b227805d37ea3417173b077c
ripemd-160 2f858ddf742e853e0cb6d6017f1a44ad51de1d1f

20101985 as geometric shapes

Circle

Radius = n
Diameter 40203970
Circumference 126304496.79714
Area 1.2694855500244E+15

Sphere

Radius = n
Volume 3.4025572645742E+22
Surface area 5.0779422000975E+15
Circumference 126304496.79714

Square

Length = n
Perimeter 80407940
Area 404089800940225
Diagonal 28428499.817621

Cube

Length = n
Surface area 2424538805641350
Volume 8.1230071171534E+21
Space diagonal 34817659.352987

Equilateral Triangle

Length = n
Perimeter 60305955
Area 1.7497601651222E+14
Altitude 17408829.676494

Triangular Pyramid

Length = n
Surface area 1.7497601651222E+14
Volume 9.5730556936096E+20
Height 9476166.6058735