20149831 (number)

20149831 is an odd 8-digits composite number following 20149830 and preceding 20149832. In scientific notation, it is written as 2.0149831 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 18599832 positive integers (up to 20149831) that are relatively prime to 20149831.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-nine thousand eight hundred thirty-one

Notation

Scientific notation 2.0149831 × 10^7
Engineering notation 2.0149831 × 10^6

Prime Factorization of 20149831

Prime Factorization 13 × 1549987

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20149831
Product of the distinct prime numbers

The prime factorization of 20149831 is 13 × 1549987. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20149831)

Multiplication

n×y
n×2 40299662
n×3 60449493
n×4 80599324
n×5 100749155

Division

n÷y
n÷2 10074915.5
n÷3 6716610.3333333
n÷3 5037457.75
n÷5 4029966.2

Exponentiation

ny
n2 406015689328561
n3 8.181147523319E+21
n4 1.6484873998095E+29
n5 3.321674251179E+36

Nth Root

y√n
2√n 4488.8563131381
3√n 272.11791582226
4√n 66.998927701405
5√n 28.897101380772

Divisors of 20149831

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 -20149830
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 20149831 can be divided by 4 positive divisors. The sum of these divisors (counting 20149831) is 1, the average is 0.25.

Base conversion 20149831

Base System Value
2 Binary 1001100110111011001000111
3 Ternary 1101220201101001
4 Quaternary 1030313121013
5 Quinary 20124243311
6 Senary 1555514131
8 Octal 114673107
10 Decimal 20149831
12 Duodecimal 68b8947
16 Hexadecimal 1337647
20 Vigesimal 65iebb
36 Base36 bzvpj

Cryptographic Hash Functions

md5 9745c72c7b19cc0f65cfffe20bcf27b0
sha1 fe164a400d7ee32264d59cc7267b28803ca3c622
sha256 9182aff1cef7fe539f84470169487998c056e80c99a4d66e2846efcb05a62164
sha512 4530ed14e534dea1f0978e2e297cdef372b807b550ae47bcc36bea4a0ab9e39d05079cb6d6d717f34516cf11188f6117402880c4f7d744c54b7d5e45787d4326
ripemd-160 5254aa929b932bd77b740f6f50de41a9235f603e

20149831 as geometric shapes

Circle

Radius = n
Diameter 40299662
Circumference 126605122.08135
Area 1.2755359068368E+15

Sphere

Radius = n
Volume 3.4269110609591E+22
Surface area 5.1021436273472E+15
Circumference 126605122.08135

Square

Length = n
Perimeter 80599324
Area 406015689328561
Diagonal 28496164.279726

Cube

Length = n
Surface area 2436094135971366
Volume 8.181147523319E+21
Space diagonal 34900531.055926

Equilateral Triangle

Length = n
Perimeter 60449493
Area 1.7580995064679E+14
Altitude 17450265.527963

Triangular Pyramid

Length = n
Surface area 1.7580995064679E+14
Volume 9.6415748193773E+20
Height 9498721.4265753