21128875 (number)

21128875 is an odd 8-digits composite number following 21128874 and preceding 21128876. In scientific notation, it is written as 2.1128875 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors. There are 15552000 positive integers (up to 21128875) that are relatively prime to 21128875.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred twenty-eight thousand eight hundred seventy-five

Notation

Scientific notation 2.1128875 × 10^7
Engineering notation 2.1128875 × 10^6

Prime Factorization of 21128875

Prime Factorization 5 × 25 × 2771 × 61

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21128875
Product of the distinct prime numbers

The prime factorization of 21128875 is 5 × 25 × 2771 × 61. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 5, 68, 14, 959, 255, 2645, 889, 34529, 49916, 467400, 928350, 8920315, 7590476, 79209346, 92327909, 104504396, 178109616, 3185737096, 537826499

Basic calculations (n = 21128875)

Multiplication

n×y
n×2 42257750
n×3 63386625
n×4 84515500
n×5 105644375

Division

n÷y
n÷2 10564437.5
n÷3 7042958.3333333
n÷3 5282218.75
n÷5 4225775

Exponentiation

ny
n2 446429358765625
n3 9.432550117689E+21
n4 1.9929917236789E+29
n5 4.2109673005645E+36

Nth Root

y√n
2√n 4596.6156028104
3√n 276.45564221656
4√n 67.798345133273
5√n 29.172609238661

Divisors of 21128875

1, 5, 25, 61, 125, 305, 1525, 2771, 7625, 13855, 69275, 169031, 346375, 845155, 4225775, 21128875

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 -21128874
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 21128875 can be divided by 16 positive divisors. The sum of these divisors (counting 21128875) is 1, the average is 0.0625.

Base conversion 21128875

Base System Value
2 Binary 1010000100110011010101011
3 Ternary 1110202110100221
4 Quaternary 1100212122223
5 Quinary 20402111000
6 Senary 2032510511
8 Octal 120463253
10 Decimal 21128875
12 Duodecimal 70ab437
16 Hexadecimal 14266ab
20 Vigesimal 6c123f
36 Base36 ckv57

Cryptographic Hash Functions

md5 fa086929b14be249dad2e969cd526909
sha1 f350924bde6a49e1a7985b56cddde8804313f791
sha256 39cd73245a425b860cefd73c36e77a61e46271f4758eeaa252af15a415e39abe
sha512 1fd3022b65cbaba9d57d8674bcdbbe1e1d8c0a7f4dff130c7c94aef8d12bd94342ef246ee8a4b0861bbdb482bcd97fbe237b6a07eeb126e74b7a2b88b8ed5d20
ripemd-160 ce0356798829d4953071dd7f67de86bb1384ec66

21128875 as geometric shapes

Circle

Radius = n
Diameter 42257750
Circumference 132756636.95723
Area 1.4024991938449E+15

Sphere

Radius = n
Volume 3.9510973539133E+22
Surface area 5.6099967753796E+15
Circumference 132756636.95723

Square

Length = n
Perimeter 84515500
Area 446429358765625
Diagonal 29880741.582686

Cube

Length = n
Surface area 2678576152593750
Volume 9.432550117689E+21
Space diagonal 36596285.006772

Equilateral Triangle

Length = n
Perimeter 63386625
Area 1.9330958284311E+14
Altitude 18298142.503386

Triangular Pyramid

Length = n
Surface area 1.9330958284311E+14
Volume 1.1116366920166E+21
Height 9960247.1942286