20121615 (number)

20121615 is an odd 8-digits composite number following 20121614 and preceding 20121616. In scientific notation, it is written as 2.0121615 × 10^7. The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors. There are 10730880 positive integers (up to 20121615) that are relatively prime to 20121615.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-one thousand six hundred fifteen

Notation

Scientific notation 2.0121615 × 10^7
Engineering notation 2.0121615 × 10^6

Prime Factorization of 20121615

Prime Factorization 45 × 9 × 3 × 16561

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20121615
Product of the distinct prime numbers

The prime factorization of 20121615 is 45 × 9 × 3 × 16561. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 6, 35, 90, 929, 507, 6624, 705, 80760, 94599, 396090, 65073, 8126239, 603809, 23267066, 16307908, 722419840, 606640240, 8841956002, 22535974

Basic calculations (n = 20121615)

Multiplication

n×y
n×2 40243230
n×3 60364845
n×4 80486460
n×5 100608075

Division

n÷y
n÷2 10060807.5
n÷3 6707205
n÷3 5030403.75
n÷5 4024323

Exponentiation

ny
n2 404879390208225
n3 8.1468272112047E+21
n4 1.6392732061538E+29
n5 3.2984824334043E+36

Nth Root

y√n
2√n 4485.7123180159
3√n 271.99084005341
4√n 66.975460565911
5√n 28.889003866708

Divisors of 20121615

1, 3, 9, 27, 45, 135, 405, 1215, 16561, 49683, 149049, 447147, 745245, 2235735, 6707205, 20121615

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 -20121614
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 20121615 can be divided by 16 positive divisors. The sum of these divisors (counting 20121615) is 1, the average is 0.0625.

Base conversion 20121615

Base System Value
2 Binary 1001100110000100000001111
3 Ternary 1101212021200000
4 Quaternary 1030300200033
5 Quinary 20122342430
6 Senary 1555135343
8 Octal 114604017
10 Decimal 20121615
12 Duodecimal 68a4553
16 Hexadecimal 133080f
20 Vigesimal 65f40f
36 Base36 bz9xr

Cryptographic Hash Functions

md5 ddc16a002bcfee22edb7ae9b1dbb963a
sha1 c795b9dc20665624f4cadd8486b9bf33a85f01a1
sha256 5edecb8cf0188ebcbcb9e64b590d69d0bf0fb1bd438b1ada38fe456cf0b4c511
sha512 d48f445639f8020093e9e5403bb466f700adf30145809ae193a23d500fd1f25c53633077b3d28d8f353e925f571fd4b3adb5336648d4772064cd8a4a5e737042
ripemd-160 799ff8572ffc623efc0b7395ac06c82e0383250b

20121615 as geometric shapes

Circle

Radius = n
Diameter 40243230
Circumference 126427835.72472
Area 1.2719661178681E+15

Sphere

Radius = n
Volume 3.4125350022381E+22
Surface area 5.0878644714723E+15
Circumference 126427835.72472

Square

Length = n
Perimeter 80486460
Area 404879390208225
Diagonal 28456260.82985

Cube

Length = n
Surface area 2429276341249350
Volume 8.1468272112047E+21
Space diagonal 34851659.51034

Equilateral Triangle

Length = n
Perimeter 60364845
Area 1.7531791869454E+14
Altitude 17425829.75517

Triangular Pyramid

Length = n
Surface area 1.7531791869454E+14
Volume 9.6011279436632E+20
Height 9485420.2766166