20121284 (number)

20121284 is an even 8-digits composite number following 20121283 and preceding 20121285. In scientific notation, it is written as 2.0121284 × 10^7. The sum of its digits is 20. It has a total of 4 prime factors and 12 positive divisors. There are 10002144 positive integers (up to 20121284) that are relatively prime to 20121284.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-one thousand two hundred eighty-four

Notation

Scientific notation 2.0121284 × 10^7
Engineering notation 2.0121284 × 10^6

Prime Factorization of 20121284

Prime Factorization 2 × 2 × 173 × 29077

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10060642
Product of the distinct prime numbers

The prime factorization of 20121284 is 2 × 2 × 173 × 29077. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 6, 2, 49, 148, 831, 7784, 77, 62613, 21838, 292155, 25636, 5691299, 5805538, 66814408, 67955504, 221421132, 351059341, 5826405286, 9234902584

Basic calculations (n = 20121284)

Multiplication

n×y
n×2 40242568
n×3 60363852
n×4 80485136
n×5 100606420

Division

n÷y
n÷2 10060642
n÷3 6707094.6666667
n÷3 5030321
n÷5 4024256.8

Exponentiation

ny
n2 404866069808656
n3 8.1464251725838E+21
n4 1.6391653448231E+29
n5 3.2982111426143E+36

Nth Root

y√n
2√n 4485.6754229436
3√n 271.98934863135
4√n 66.975185128102
5√n 28.888908821423

Divisors of 20121284

1, 2, 4, 173, 346, 692, 29077, 58154, 116308, 5030321, 10060642, 20121284

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20121283
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20121284 can be divided by 12 positive divisors. The sum of these divisors (counting 20121284) is 1, the average is 0.083333333333333.

Base conversion 20121284

Base System Value
2 Binary 1001100110000011011000100
3 Ternary 1101212021012202
4 Quaternary 1030300123010
5 Quinary 20122340114
6 Senary 1555134032
8 Octal 114603304
10 Decimal 20121284
12 Duodecimal 68a4318
16 Hexadecimal 13306c4
20 Vigesimal 65f344
36 Base36 bz9ok

Cryptographic Hash Functions

md5 57c98ca498655e806ad11cf6ed7a2c49
sha1 4a725348c4bc65f999eae30d412931bcaa5ece67
sha256 2313c3ec78192824aab00ca6fc5bda095b9d5d2ff43d2c264b37b0ee6e7596c3
sha512 6336e5977d39aebdcb5e29dce24b13eafeb9c1ac6e7c9224d45d383c6fe7adb82dacfdc1027a230fb9e188970e2a4bc397cc51f28ff4e2cbe87d3b78394ed44c
ripemd-160 69fbec73e97c501106638d983bd09c3d1074f89d

20121284 as geometric shapes

Circle

Radius = n
Diameter 40242568
Circumference 126425755.99039
Area 1.2719242705986E+15

Sphere

Radius = n
Volume 3.4123665966944E+22
Surface area 5.0876970823946E+15
Circumference 126425755.99039

Square

Length = n
Perimeter 80485136
Area 404866069808656
Diagonal 28455792.725161

Cube

Length = n
Surface area 2429196418851936
Volume 8.1464251725838E+21
Space diagonal 34851086.201523

Equilateral Triangle

Length = n
Perimeter 60363852
Area 1.7531215079233E+14
Altitude 17425543.100761

Triangular Pyramid

Length = n
Surface area 1.7531215079233E+14
Volume 9.6006541366047E+20
Height 9485264.2417203