20149905 (number)

20149905 is an odd 8-digits composite number following 20149904 and preceding 20149906. In scientific notation, it is written as 2.0149905 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 10746608 positive integers (up to 20149905) that are relatively prime to 20149905.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0149905 × 10^7
Engineering notation 2.0149905 × 10^6

Prime Factorization of 20149905

Prime Factorization 3 × 5 × 1343327

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20149905
Product of the distinct prime numbers

The prime factorization of 20149905 is 3 × 5 × 1343327. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20149905)

Multiplication

n×y
n×2 40299810
n×3 60449715
n×4 80599620
n×5 100749525

Division

n÷y
n÷2 10074952.5
n÷3 6716635
n÷3 5037476.25
n÷5 4029981

Exponentiation

ny
n2 406018671509025
n3 8.1812376591331E+21
n4 1.6485116161395E+29
n5 3.3217352456608E+36

Nth Root

y√n
2√n 4488.8645557646
3√n 272.11824893838
4√n 66.9989892145
5√n 28.897122605589

Divisors of 20149905

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20149904
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20149905 can be divided by 8 positive divisors. The sum of these divisors (counting 20149905) is 1, the average is 0.125.

Base conversion 20149905

Base System Value
2 Binary 1001100110111011010010001
3 Ternary 1101220201110210
4 Quaternary 1030313122101
5 Quinary 20124244110
6 Senary 1555514333
8 Octal 114673221
10 Decimal 20149905
12 Duodecimal 68b89a9
16 Hexadecimal 1337691
20 Vigesimal 65ief5
36 Base36 bzvrl

Cryptographic Hash Functions

md5 9558b83ca4b311fd548826c992c15eef
sha1 75e9fb300a4def2f7e991457e4c1b9aaa1ae4d8c
sha256 3a9f46fa2014adb23870a5d2ea5904e6a9a5362f47dc720dcd52f85604da5834
sha512 c69662caf7a6c68867a63c86c7fac2dfec507148b787e3d97d56651e5378e3facbe18a25f8888a5fe74648de0bb07d204e6913588836af62e29d92048b63ed95
ripemd-160 f4fb7bb862495e68a51cc51260ecd29dd8e16421

20149905 as geometric shapes

Circle

Radius = n
Diameter 40299810
Circumference 126605587.03706
Area 1.275545275633E+15

Sphere

Radius = n
Volume 3.4269488169606E+22
Surface area 5.1021811025322E+15
Circumference 126605587.03706

Square

Length = n
Perimeter 80599620
Area 406018671509025
Diagonal 28496268.931529

Cube

Length = n
Surface area 2436112029054150
Volume 8.1812376591331E+21
Space diagonal 34900659.227686

Equilateral Triangle

Length = n
Perimeter 60449715
Area 1.7581124196881E+14
Altitude 17450329.613843

Triangular Pyramid

Length = n
Surface area 1.7581124196881E+14
Volume 9.6416810454529E+20
Height 9498756.3105098