20128860 (number)

20128860 is an even 8-digits composite number following 20128859 and preceding 20128861. In scientific notation, it is written as 2.0128860 × 10^7. The sum of its digits is 27. It has a total of 6 prime factors and 36 positive divisors. There are 5367648 positive integers (up to 20128860) that are relatively prime to 20128860.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0128860 × 10^7
Engineering notation 2.0128860 × 10^6

Prime Factorization of 20128860

Prime Factorization 2 × 2 × 3 × 3 × 5 × 111827

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 3354810
Product of the distinct prime numbers

The prime factorization of 20128860 is 2 × 2 × 3 × 3 × 5 × 111827. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20128860)

Multiplication

n×y
n×2 40257720
n×3 60386580
n×4 80515440
n×5 100644300

Division

n÷y
n÷2 10064430
n÷3 6709620
n÷3 5032215
n÷5 4025772

Exponentiation

ny
n2 405171004899600
n3 8.1556304336834E+21
n4 1.6416354321135E+29
n5 3.3044249784052E+36

Nth Root

y√n
2√n 4486.5198093846
3√n 272.02348052776
4√n 66.981488557545
5√n 28.891083925343

Divisors of 20128860

36 divisors

τ Total Divisors 36
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20128859
Sum of the proper positive divisors of n
A Arithmetic Mean 0.027777777777778
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 36
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20128860 can be divided by 36 positive divisors. The sum of these divisors (counting 20128860) is 1, the average is 0.027777777777778.

Base conversion 20128860

Base System Value
2 Binary 1001100110010010001011100
3 Ternary 1101212122121100
4 Quaternary 1030302101130
5 Quinary 20123110420
6 Senary 1555233100
8 Octal 114622134
10 Decimal 20128860
12 Duodecimal 68a8790
16 Hexadecimal 133245c
20 Vigesimal 65g230
36 Base36 bzfj0

Cryptographic Hash Functions

md5 5c8fbc0138d9de7e67f9e64f034521f1
sha1 0672bf72f52b4f0dc94b0653d0e067d992fb6298
sha256 87d874db99889982396ec333f41b6914cfb36b15f89d51e0dd595addea29f61d
sha512 720cddf5a5ea8f492feee16131add3fc299894bc565562a50c6f952d25ea1e1de12c5d4eb31b1e3f0562e359040fef84df6baac920aecbc10e7c09dc6161fbb2
ripemd-160 e2c2cfdb8327eaf7ed7ba3fa5494a29e74f363f4

20128860 as geometric shapes

Circle

Radius = n
Diameter 40257720
Circumference 126473357.40227
Area 1.2728822524402E+15

Sphere

Radius = n
Volume 3.4162224874471E+22
Surface area 5.0915290097607E+15
Circumference 126473357.40227

Square

Length = n
Perimeter 80515440
Area 405171004899600
Diagonal 28466506.807109

Cube

Length = n
Surface area 2431026029397600
Volume 8.1556304336834E+21
Space diagonal 34864208.218441

Equilateral Triangle

Length = n
Perimeter 60386580
Area 1.7544419155996E+14
Altitude 17432104.10922

Triangular Pyramid

Length = n
Surface area 1.7544419155996E+14
Volume 9.6115026408482E+20
Height 9488835.6023698