20128868 (number)

20128868 is an even 8-digits composite number following 20128867 and preceding 20128869. In scientific notation, it is written as 2.0128868 × 10^7. The sum of its digits is 35. It has a total of 5 prime factors and 24 positive divisors. There are 9737280 positive integers (up to 20128868) that are relatively prime to 20128868.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-eight thousand eight hundred sixty-eight

Notation

Scientific notation 2.0128868 × 10^7
Engineering notation 2.0128868 × 10^6

Prime Factorization of 20128868

Prime Factorization 2 × 2 × 41 × 139 × 883

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10064434
Product of the distinct prime numbers

The prime factorization of 20128868 is 2 × 2 × 41 × 139 × 883. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 5, 90, 82, 17, 125, 2213, 4848, 18460, 99628, 470841, 257834, 24053, 2273543, 4681122, 40277441, 697919009, 566955223, 436529426, 1123846378

Basic calculations (n = 20128868)

Multiplication

n×y
n×2 40257736
n×3 60386604
n×4 80515472
n×5 100644340

Division

n÷y
n÷2 10064434
n÷3 6709622.6666667
n÷3 5032217
n÷5 4025773.6

Exponentiation

ny
n2 405171326961424
n3 8.1556401577913E+21
n4 1.6416380419168E+29
n5 3.3044315449522E+36

Nth Root

y√n
2√n 4486.5207009441
3√n 272.02351656536
4√n 66.981495212813
5√n 28.891086221833

Divisors of 20128868

1, 2, 4, 41, 82, 139, 164, 278, 556, 883, 1766, 3532, 5699, 11398, 22796, 36203, 72406, 122737, 144812, 245474, 490948, 5032217, 10064434, 20128868

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20128867
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20128868 can be divided by 24 positive divisors. The sum of these divisors (counting 20128868) is 1, the average is 0.041666666666667.

Base conversion 20128868

Base System Value
2 Binary 1001100110010010001100100
3 Ternary 1101212122121122
4 Quaternary 1030302101210
5 Quinary 20123110433
6 Senary 1555233112
8 Octal 114622144
10 Decimal 20128868
12 Duodecimal 68a8798
16 Hexadecimal 1332464
20 Vigesimal 65g238
36 Base36 bzfj8

Cryptographic Hash Functions

md5 b0f75f5014356c43f95760b770473bac
sha1 7a527695602c3f7fa447b779c9c0dbd6975f96ef
sha256 a062c5426d39244db664e0a0e8b5c03b6a4c0412bc549ec53b62e9e1cb1996cd
sha512 ce794b4effd6b30587b828540cdfce19ed38badc279e1f4017f2d5e1f36cdd5349ed7f38a90d10b4166e2520e4080acdb9f652055b9b5f7c98aad6f90f03b5d5
ripemd-160 66ec123726d07797ab5c36b0ff6788b183e284db

20128868 as geometric shapes

Circle

Radius = n
Diameter 40257736
Circumference 126473407.66776
Area 1.2728832642272E+15

Sphere

Radius = n
Volume 3.4162265606719E+22
Surface area 5.091533056909E+15
Circumference 126473407.66776

Square

Length = n
Perimeter 80515472
Area 405171326961424
Diagonal 28466518.120818

Cube

Length = n
Surface area 2431027961768544
Volume 8.1556401577913E+21
Space diagonal 34864222.074847

Equilateral Triangle

Length = n
Perimeter 60386604
Area 1.7544433101682E+14
Altitude 17432111.037424

Triangular Pyramid

Length = n
Surface area 1.7544433101682E+14
Volume 9.6115141008193E+20
Height 9488839.3736059