21129218 (number)

21129218 is an even 8-digits composite number following 21129217 and preceding 21129219. In scientific notation, it is written as 2.1129218 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 9604180 positive integers (up to 21129218) that are relatively prime to 21129218.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred twenty-nine thousand two hundred eighteen

Notation

Scientific notation 2.1129218 × 10^7
Engineering notation 2.1129218 × 10^6

Prime Factorization of 21129218

Prime Factorization 2 × 11 × 960419

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21129218
Product of the distinct prime numbers

The prime factorization of 21129218 is 2 × 11 × 960419. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21129218)

Multiplication

n×y
n×2 42258436
n×3 63387654
n×4 84516872
n×5 105646090

Division

n÷y
n÷2 10564609
n÷3 7043072.6666667
n÷3 5282304.5
n÷5 4225843.6

Exponentiation

ny
n2 446443853291524
n3 9.4330095009566E+21
n4 1.9931211414178E+29
n5 4.2113091097426E+36

Nth Root

y√n
2√n 4596.6529127181
3√n 276.45713817524
4√n 67.798620286243
5√n 29.172703953973

Divisors of 21129218

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 -21129217
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 21129218 can be divided by 8 positive divisors. The sum of these divisors (counting 21129218) is 1, the average is 0.125.

Base conversion 21129218

Base System Value
2 Binary 1010000100110100000000010
3 Ternary 1110202110211122
4 Quaternary 1100212200002
5 Quinary 20402113333
6 Senary 2032512242
8 Octal 120464002
10 Decimal 21129218
12 Duodecimal 70ab682
16 Hexadecimal 1426802
20 Vigesimal 6c130i
36 Base36 ckveq

Cryptographic Hash Functions

md5 def9e878a44da45102b729e4582ab422
sha1 296253d75db170fc95bc78a9e1c648b7c56a4e89
sha256 4dae5cfde65a5c37ca58fe85f8ab41cf39937f6da68491296aa857dc72942105
sha512 9eff76d7b69d5aa88bfe67aa693f8cf79adeb04ee18cd92ae646d06ccd9255aee6325e5c878466a8dbdb87f92ae866565cd402195f6659121ab77d5b024b2900
ripemd-160 e4453e8f6fa1ca5b2dba814b7d044019a3fc3fd5

21129218 as geometric shapes

Circle

Radius = n
Diameter 42258436
Circumference 132758792.08979
Area 1.402544729741E+15

Sphere

Radius = n
Volume 3.9512897799264E+22
Surface area 5.6101789189639E+15
Circumference 132758792.08979

Square

Length = n
Perimeter 84516872
Area 446443853291524
Diagonal 29881226.657938

Cube

Length = n
Surface area 2678663119749144
Volume 9.4330095009566E+21
Space diagonal 36596879.100199

Equilateral Triangle

Length = n
Perimeter 63387654
Area 1.9331585915694E+14
Altitude 18298439.550099

Triangular Pyramid

Length = n
Surface area 1.9331585915694E+14
Volume 1.1116908308539E+21
Height 9960408.8859792