20121288 (number)

20121288 is an even 8-digits composite number following 20121287 and preceding 20121289. In scientific notation, it is written as 2.0121288 × 10^7. The sum of its digits is 24. It has a total of 7 prime factors and 64 positive divisors. There are 6050880 positive integers (up to 20121288) that are relatively prime to 20121288.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0121288 × 10^7
Engineering notation 2.0121288 × 10^6

Prime Factorization of 20121288

Prime Factorization 2 × 2 × 2 × 3 × 11 × 383 × 199

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 5030322
Product of the distinct prime numbers

The prime factorization of 20121288 is 2 × 2 × 2 × 3 × 11 × 383 × 199. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20121288)

Multiplication

n×y
n×2 40242576
n×3 60363864
n×4 80485152
n×5 100606440

Division

n÷y
n÷2 10060644
n÷3 6707096
n÷3 5030322
n÷5 4024257.6

Exponentiation

ny
n2 404866230778944
n3 8.1464300309776E+21
n4 1.6391666482515E+29
n5 3.2982144209463E+36

Nth Root

y√n
2√n 4485.6758688073
3√n 271.98936665467
4√n 66.975188456676
5√n 28.888909970014

Divisors of 20121288

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20121287
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20121288 can be divided by 64 positive divisors. The sum of these divisors (counting 20121288) is 1, the average is 0.015625.

Base conversion 20121288

Base System Value
2 Binary 1001100110000011011001000
3 Ternary 1101212021012220
4 Quaternary 1030300123020
5 Quinary 20122340123
6 Senary 1555134040
8 Octal 114603310
10 Decimal 20121288
12 Duodecimal 68a4320
16 Hexadecimal 13306c8
20 Vigesimal 65f348
36 Base36 bz9oo

Cryptographic Hash Functions

md5 0e55622a7cdf97191ee8abf0ea60d36c
sha1 c6bd9c80e8590848a925ad8a8dee6acbb1328a5d
sha256 4643c0faa142e22c5806ff8e956aee3f796b97df1e851d37ece31bf631637f16
sha512 3ea4c4443292650ce2527f796eb205a98f2949991e05678bbee6775297fd5aae9c1f868bab2bc258a1eac6f63bbc9fc64460e45466ff4f2dd9aef3be93d782ec
ripemd-160 2fea5c0768ba4223f1208749feb8fae95915715c

20121288 as geometric shapes

Circle

Radius = n
Diameter 40242576
Circumference 126425781.12313
Area 1.2719247763017E+15

Sphere

Radius = n
Volume 3.4123686317737E+22
Surface area 5.0876991052069E+15
Circumference 126425781.12313

Square

Length = n
Perimeter 80485152
Area 404866230778944
Diagonal 28455798.382015

Cube

Length = n
Surface area 2429197384673664
Volume 8.1464300309776E+21
Space diagonal 34851093.129726

Equilateral Triangle

Length = n
Perimeter 60363864
Area 1.7531222049451E+14
Altitude 17425546.564863

Triangular Pyramid

Length = n
Surface area 1.7531222049451E+14
Volume 9.6006598622767E+20
Height 9485266.1273383