20128904 (number)

20128904 is an even 8-digits composite number following 20128903 and preceding 20128905. In scientific notation, it is written as 2.0128904 × 10^7. The sum of its digits is 26. It has a total of 6 prime factors and 32 positive divisors. There are 9460800 positive integers (up to 20128904) that are relatively prime to 20128904.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-eight thousand nine hundred four

Notation

Scientific notation 2.0128904 × 10^7
Engineering notation 2.0128904 × 10^6

Prime Factorization of 20128904

Prime Factorization 2 × 2 × 2 × 19 × 151 × 877

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 5032226
Product of the distinct prime numbers

The prime factorization of 20128904 is 2 × 2 × 2 × 19 × 151 × 877. Since it has a total of 6 prime factors.

Most popular turbo-numbers

6, 3, 67, 74, 902, 415, 6246, 6497, 98849, 81101, 900849, 610433, 5135122, 8282898, 72595638, 68219729, 308615402, 523647999, 9385319825, 5378632342

Basic calculations (n = 20128904)

Multiplication

n×y
n×2 40257808
n×3 60386712
n×4 80515616
n×5 100644520

Division

n÷y
n÷2 10064452
n÷3 6709634.6666667
n÷3 5032226
n÷5 4025780.8

Exponentiation

ny
n2 405172776241216
n3 8.1556839163729E+21
n4 1.6416497860701E+29
n5 3.3044610945426E+36

Nth Root

y√n
2√n 4486.5247129599
3√n 272.02367873446
4√n 66.981525161494
5√n 28.891096556029

Divisors of 20128904

1, 2, 4, 8, 19, 38, 76, 151, 152, 302, 604, 877, 1208, 1754, 2869, 3508, 5738, 7016, 11476, 16663, 22952, 33326, 66652, 132427, 133304, 264854, 529708, 1059416, 2516113, 5032226, 10064452, 20128904

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20128903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20128904 can be divided by 32 positive divisors. The sum of these divisors (counting 20128904) is 1, the average is 0.03125.

Base conversion 20128904

Base System Value
2 Binary 1001100110010010010001000
3 Ternary 1101212122122222
4 Quaternary 1030302102020
5 Quinary 20123111104
6 Senary 1555233212
8 Octal 114622210
10 Decimal 20128904
12 Duodecimal 68a8808
16 Hexadecimal 1332488
20 Vigesimal 65g254
36 Base36 bzfk8

Cryptographic Hash Functions

md5 bc021b14ad4e864cc4e364bcf1c82182
sha1 4c5cb77c0eb7682a5074a1a3017a77d004ea35af
sha256 2135fd1765ab515c221e29b0ea983fc857414b872c0eb85597b9425ee6c41ae1
sha512 3788555376c3bc611c233dfbabd5c642e959b3b609f06e7ed696604603614108809586d94487190a437c88a67b546cd0bd8f2f23d485f2123c56cf8ff9303a27
ripemd-160 235f33f496d46f0e792462bae90f8761036aa3d9

20128904 as geometric shapes

Circle

Radius = n
Diameter 40257808
Circumference 126473633.86243
Area 1.272887817274E+15

Sphere

Radius = n
Volume 3.4162448902237E+22
Surface area 5.0915512690959E+15
Circumference 126473633.86243

Square

Length = n
Perimeter 80515616
Area 405172776241216
Diagonal 28466569.032506

Cube

Length = n
Surface area 2431036657447296
Volume 8.1556839163729E+21
Space diagonal 34864284.428676

Equilateral Triangle

Length = n
Perimeter 60386712
Area 1.7544495857338E+14
Altitude 17432142.214338

Triangular Pyramid

Length = n
Surface area 1.7544495857338E+14
Volume 9.6115656708023E+20
Height 9488856.3441687