20128849 (number)

20128849 is an odd 8-digits composite number following 20128848 and preceding 20128850. In scientific notation, it is written as 2.0128849 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 18525456 positive integers (up to 20128849) that are relatively prime to 20128849.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0128849 × 10^7
Engineering notation 2.0128849 × 10^6

Prime Factorization of 20128849

Prime Factorization 13 × 367 × 4219

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20128849
Product of the distinct prime numbers

The prime factorization of 20128849 is 13 × 367 × 4219. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20128849)

Multiplication

n×y
n×2 40257698
n×3 60386547
n×4 80515396
n×5 100644245

Division

n÷y
n÷2 10064424.5
n÷3 6709616.3333333
n÷3 5032212.25
n÷5 4025769.8

Exponentiation

ny
n2 405170562064801
n3 8.1556170630475E+21
n4 1.6416318436391E+29
n5 3.3044159494202E+36

Nth Root

y√n
2√n 4486.5185834899
3√n 272.02343097604
4√n 66.981479406548
5√n 28.891080767668

Divisors of 20128849

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20128848
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20128849 can be divided by 8 positive divisors. The sum of these divisors (counting 20128849) is 1, the average is 0.125.

Base conversion 20128849

Base System Value
2 Binary 1001100110010010001010001
3 Ternary 1101212122120221
4 Quaternary 1030302101101
5 Quinary 20123110344
6 Senary 1555233041
8 Octal 114622121
10 Decimal 20128849
12 Duodecimal 68a8781
16 Hexadecimal 1332451
20 Vigesimal 65g229
36 Base36 bzfip

Cryptographic Hash Functions

md5 6d14eda2d9875ec32774531aa4b710fb
sha1 bd51f7d66a0e1d98b7d2201fa32cb1010d52f9e3
sha256 998667565738c03106e3158724ac8b2f421299fbe35a84013b51fc9ff1a2135b
sha512 a1b6aab6069f4ef67f31e05835c7b7f83fdaca82227a15e730761f6e8cf3a23b2a556b35cba39889c0b93b2f74edd7b0a1c25d076be0968382006c7d1493ce10
ripemd-160 fbc24fb5019a64322ec402da2460c1d5da3f3604

20128849 as geometric shapes

Circle

Radius = n
Diameter 40257698
Circumference 126473288.28724
Area 1.2728808612336E+15

Sphere

Radius = n
Volume 3.4162168867682E+22
Surface area 5.0915234449345E+15
Circumference 126473288.28724

Square

Length = n
Perimeter 80515396
Area 405170562064801
Diagonal 28466491.25076

Cube

Length = n
Surface area 2431023372388806
Volume 8.1556170630475E+21
Space diagonal 34864189.165882

Equilateral Triangle

Length = n
Perimeter 60386547
Area 1.7544399980687E+14
Altitude 17432094.582941

Triangular Pyramid

Length = n
Surface area 1.7544399980687E+14
Volume 9.6114868834027E+20
Height 9488830.41692