20121215 (number)

20121215 is an odd 8-digits composite number following 20121214 and preceding 20121216. In scientific notation, it is written as 2.0121215 × 10^7. The sum of its digits is 14. It has a total of 4 prime factors and 16 positive divisors. There are 15439872 positive integers (up to 20121215) that are relatively prime to 20121215.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0121215 × 10^7
Engineering notation 2.0121215 × 10^6

Prime Factorization of 20121215

Prime Factorization 5 × 193 × 29 × 719

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20121215
Product of the distinct prime numbers

The prime factorization of 20121215 is 5 × 193 × 29 × 719. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 5, 49, 49, 173, 76, 9280, 6005, 64094, 75379, 910814, 951882, 8658102, 7940687, 80189322, 89449130, 63371688, 817563703, 295369438, 7835942022

Basic calculations (n = 20121215)

Multiplication

n×y
n×2 40242430
n×3 60363645
n×4 80484860
n×5 100606075

Division

n÷y
n÷2 10060607.5
n÷3 6707071.6666667
n÷3 5030303.75
n÷5 4024243

Exponentiation

ny
n2 404863293076225
n3 8.1463413655947E+21
n4 1.6391428608053E+29
n5 3.2981545917978E+36

Nth Root

y√n
2√n 4485.6677317875
3√n 271.98903772861
4√n 66.975127710125
5√n 28.8888890082

Divisors of 20121215

1, 5, 29, 145, 193, 719, 965, 3595, 5597, 20851, 27985, 104255, 138767, 693835, 4024243, 20121215

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 -20121214
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 20121215 can be divided by 16 positive divisors. The sum of these divisors (counting 20121215) is 1, the average is 0.0625.

Base conversion 20121215

Base System Value
2 Binary 1001100110000011001111111
3 Ternary 1101212021010012
4 Quaternary 1030300121333
5 Quinary 20122334330
6 Senary 1555133435
8 Octal 114603177
10 Decimal 20121215
12 Duodecimal 68a427b
16 Hexadecimal 133067f
20 Vigesimal 65f30f
36 Base36 bz9mn

Cryptographic Hash Functions

md5 b663b3bee97641734ef96a0f4ff5a712
sha1 741a6fbfc0f4349e8da30ea55b3dc687d73df869
sha256 e7672f749b0db9e63b15f6e16f5b6f6857834e95449ae4a64afda5c83047bfd9
sha512 48a945c52ce4dc92ced5d2f654324ffd519ad05b51c9e40ed50fd4f32ec44d3f2c6d648747ef413fe1302e9aa65d8e68d3b252d680ff833310c2b967a5630db7
ripemd-160 c3c4726262c5a065c1a81885146f260f38100721

20121215 as geometric shapes

Circle

Radius = n
Diameter 40242430
Circumference 126425322.4506
Area 1.2719155472364E+15

Sphere

Radius = n
Volume 3.4123314917049E+22
Surface area 5.0876621889458E+15
Circumference 126425322.4506

Square

Length = n
Perimeter 80484860
Area 404863293076225
Diagonal 28455695.144425

Cube

Length = n
Surface area 2429179758457350
Volume 8.1463413655947E+21
Space diagonal 34850966.690017

Equilateral Triangle

Length = n
Perimeter 60363645
Area 1.7531094843192E+14
Altitude 17425483.345009

Triangular Pyramid

Length = n
Surface area 1.7531094843192E+14
Volume 9.6005553691209E+20
Height 9485231.7148083