20128738 (number)

20128738 is an even 8-digits composite number following 20128737 and preceding 20128739. In scientific notation, it is written as 2.0128738 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 8557920 positive integers (up to 20128738) that are relatively prime to 20128738.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-eight thousand seven hundred thirty-eight

Notation

Scientific notation 2.0128738 × 10^7
Engineering notation 2.0128738 × 10^6

Prime Factorization of 20128738

Prime Factorization 2 × 7 × 127 × 11321

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20128738
Product of the distinct prime numbers

The prime factorization of 20128738 is 2 × 7 × 127 × 11321. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 2, 52, 24, 407, 568, 5747, 7260, 73614, 33215, 125672, 588913, 7520422, 4410138, 49217197, 78885463, 628562344, 859559244, 8349430142, 8553484526

Basic calculations (n = 20128738)

Multiplication

n×y
n×2 40257476
n×3 60386214
n×4 80514952
n×5 100643690

Division

n÷y
n÷2 10064369
n÷3 6709579.3333333
n÷3 5032184.5
n÷5 4025747.6

Exponentiation

ny
n2 405166093472644
n3 8.1554821419944E+21
n4 1.6415956329988E+29
n5 3.3043248398578E+36

Nth Root

y√n
2√n 4486.5062130794
3√n 272.02293095314
4√n 66.981387064463
5√n 28.891048903779

Divisors of 20128738

1, 2, 7, 14, 127, 254, 889, 1778, 11321, 22642, 79247, 158494, 1437767, 2875534, 10064369, 20128738

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20128737
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20128738 can be divided by 16 positive divisors. The sum of these divisors (counting 20128738) is 1, the average is 0.0625.

Base conversion 20128738

Base System Value
2 Binary 1001100110010001111100010
3 Ternary 1101212122102211
4 Quaternary 1030302033202
5 Quinary 20123104423
6 Senary 1555232334
8 Octal 114621742
10 Decimal 20128738
12 Duodecimal 68a86aa
16 Hexadecimal 13323e2
20 Vigesimal 65g1gi
36 Base36 bzffm

Cryptographic Hash Functions

md5 65af7ef66c7a86f977e9bf4464d05a9f
sha1 53a85a36a58436c54d64739021709c395d403073
sha256 81b631153cc96df1e68f27e725401856b13d9ff78225e0934117df8b5ca9a99b
sha512 d1eeb4c2086203fad9a8d4c2d668ff40734766ce93cdf39409f1470c24b3b190a75989cb45ac9869cd8bde7aaae7a1ac0b59cd20a1cd32f6d59624909635e204
ripemd-160 11b51771e3147293d9a44763adafca4274580333

20128738 as geometric shapes

Circle

Radius = n
Diameter 40257476
Circumference 126472590.85367
Area 1.2728668227373E+15

Sphere

Radius = n
Volume 3.4161603711696E+22
Surface area 5.0914672909493E+15
Circumference 126472590.85367

Square

Length = n
Perimeter 80514952
Area 405166093472644
Diagonal 28466334.273055

Cube

Length = n
Surface area 2430996560835864
Volume 8.1554821419944E+21
Space diagonal 34863996.908242

Equilateral Triangle

Length = n
Perimeter 60386214
Area 1.7544206484971E+14
Altitude 17431998.454121

Triangular Pyramid

Length = n
Surface area 1.7544206484971E+14
Volume 9.6113278774167E+20
Height 9488778.0910182