20131887 (number)

20131887 is an odd 8-digits composite number following 20131886 and preceding 20131888. In scientific notation, it is written as 2.0131887 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors. There are 12257280 positive integers (up to 20131887) that are relatively prime to 20131887.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty-one thousand eight hundred eighty-seven

Notation

Scientific notation 2.0131887 × 10^7
Engineering notation 2.0131887 × 10^6

Prime Factorization of 20131887

Prime Factorization 3 × 29 × 19 × 641 × 19

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 1059573
Product of the distinct prime numbers

The prime factorization of 20131887 is 3 × 29 × 19 × 641 × 19. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 10, 39, 31, 957, 469, 3965, 1582, 89333, 57237, 895994, 102660, 6927367, 5057900, 97171701, 36089270, 163773993, 132888215, 4712734333, 2928414867

Basic calculations (n = 20131887)

Multiplication

n×y
n×2 40263774
n×3 60395661
n×4 80527548
n×5 100659435

Division

n÷y
n÷2 10065943.5
n÷3 6710629
n÷3 5032971.75
n÷5 4026377.4

Exponentiation

ny
n2 405292874180769
n3 8.1593103449125E+21
n4 1.6426231386171E+29
n5 3.3069103410225E+36

Nth Root

y√n
2√n 4486.8571405829
3√n 272.03711557389
4√n 66.984006602942
5√n 28.891952807644

Divisors of 20131887

1, 3, 19, 29, 57, 87, 361, 551, 641, 1083, 1653, 1923, 10469, 12179, 18589, 31407, 36537, 55767, 231401, 353191, 694203, 1059573, 6710629, 20131887

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20131886
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20131887 can be divided by 24 positive divisors. The sum of these divisors (counting 20131887) is 1, the average is 0.041666666666667.

Base conversion 20131887

Base System Value
2 Binary 1001100110011000000101111
3 Ternary 1101212210202110
4 Quaternary 1030303000233
5 Quinary 20123210022
6 Senary 1555255103
8 Octal 114630057
10 Decimal 20131887
12 Duodecimal 68aa493
16 Hexadecimal 133302f
20 Vigesimal 65g9e7
36 Base36 bzhv3

Cryptographic Hash Functions

md5 7655aca935416ee6d85cf88077b74442
sha1 13cad0ed599e627111bbb9938655448dece84d19
sha256 4baeaed7935a034c1c2482b36162fe2d2bbc985cfd47a5831bf13bc1f597c8ac
sha512 899095482034cde96d5afb4b113fec3651d44ce85a30e4d890afcaebae8e37a77f3fc1f930a85a3b276d8e59e78b43f0d422534e287fbe93309c4f8204250257
ripemd-160 baff73fc34f57dfb6d088b5285fa881e332a3b15

20131887 as geometric shapes

Circle

Radius = n
Diameter 40263774
Circumference 126492376.6042
Area 1.2732651160786E+15

Sphere

Radius = n
Volume 3.4177639250582E+22
Surface area 5.0930604643144E+15
Circumference 126492376.6042

Square

Length = n
Perimeter 80527548
Area 405292874180769
Diagonal 28470787.631563

Cube

Length = n
Surface area 2431757245084614
Volume 8.1593103449125E+21
Space diagonal 34869451.136235

Equilateral Triangle

Length = n
Perimeter 60395661
Area 1.7549696250668E+14
Altitude 17434725.568118

Triangular Pyramid

Length = n
Surface area 1.7549696250668E+14
Volume 9.6158394578219E+20
Height 9490262.5438542