20139905 (number)

20139905 is an odd 8-digits composite number following 20139904 and preceding 20139906. In scientific notation, it is written as 2.0139905 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors. There are 15105600 positive integers (up to 20139905) that are relatively prime to 20139905.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0139905 × 10^7
Engineering notation 2.0139905 × 10^6

Prime Factorization of 20139905

Prime Factorization 5 × 19 × 101 × 2099

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20139905
Product of the distinct prime numbers

The prime factorization of 20139905 is 5 × 19 × 101 × 2099. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 3, 56, 22, 678, 575, 4614, 4253, 23766, 74271, 57085, 55904, 8867187, 635522, 77459625, 81349859, 910143488, 783705055, 4923784496, 8561931785

Basic calculations (n = 20139905)

Multiplication

n×y
n×2 40279810
n×3 60419715
n×4 80559620
n×5 100699525

Division

n÷y
n÷2 10069952.5
n÷3 6713301.6666667
n÷3 5034976.25
n÷5 4027981

Exponentiation

ny
n2 405615773409025
n3 8.1690631429593E+21
n4 1.645241556382E+29
n5 3.3135008647586E+36

Nth Root

y√n
2√n 4487.7505501086
3√n 272.07322585151
4√n 66.99067509817
5√n 28.894253821767

Divisors of 20139905

1, 5, 19, 95, 101, 505, 1919, 2099, 9595, 10495, 39881, 199405, 211999, 1059995, 4027981, 20139905

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 -20139904
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 20139905 can be divided by 16 positive divisors. The sum of these divisors (counting 20139905) is 1, the average is 0.0625.

Base conversion 20139905

Base System Value
2 Binary 1001100110100111110000001
3 Ternary 1101220012202102
4 Quaternary 1030310332001
5 Quinary 20123434110
6 Senary 1555400145
8 Octal 114647601
10 Decimal 20139905
12 Duodecimal 68b3055
16 Hexadecimal 1334f81
20 Vigesimal 65h9f5
36 Base36 bzo1t

Cryptographic Hash Functions

md5 3863f9680152d7eeb85df9334c76257c
sha1 b774875800c89cc5b3679fbd457026bfe6040cf5
sha256 78ab38822cc2e40ebdc418d8427fed2ac3a386f98e21f1499c909ca2822f7963
sha512 89811043859c735bdb287f4ebb0d93c52484dec339f7c458e5aaa510eecaec287f032daa49c71bf0c82e7fc1abbe9a3e4fe8c2a24281285ac7a90b33a8f2dda3
ripemd-160 a78573875c3cb90ecc68ded21dbbf89437d472ab

20139905 as geometric shapes

Circle

Radius = n
Diameter 40279810
Circumference 126542755.18399
Area 1.2742795339219E+15

Sphere

Radius = n
Volume 3.4218491675509E+22
Surface area 5.0971181356877E+15
Circumference 126542755.18399

Square

Length = n
Perimeter 80559620
Area 405615773409025
Diagonal 28482126.795906

Cube

Length = n
Surface area 2433694640454150
Volume 8.1690631429593E+21
Space diagonal 34883338.71961

Equilateral Triangle

Length = n
Perimeter 60419715
Area 1.7563678197394E+14
Altitude 17441669.359805

Triangular Pyramid

Length = n
Surface area 1.7563678197394E+14
Volume 9.627333240546E+20
Height 9494042.2653019