21009620 is an even 8-digits composite number following 21009619
and preceding 21009621 . In scientific notation, it is written as 2.1009620 × 10^7.
The sum of its digits is 20. It has a total of 5 prime factors and 24 positive divisors.
There are 7772160 positive integers (up to 21009620) that are relatively prime to 21009620.
21009620 has 24 divisors, whose sum is 39095784
The reverse of 21009620 is 02690012
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty-one million nine thousand six hundred twenty
Scientific notation
2.1009620 × 10^7
Engineering notation
2.1009620 × 10^6
Prime Factorization
2 × 2 × 305 × 17 × 1013
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10504810
Product of the distinct prime numbers
The prime factorization of 21009620 is 2 × 2 × 305 × 17 × 1013.
Since it has a total of 5 prime factors.
2 , 4 , 25 , 79 , 975 , 342 , 2857 , 5891 , 71567 , 14238 , 342393 , 419233 , 5068618 , 263817 , 48496448 , 45487879 , 994251023 , 855628196 , 7357634591 , 4358707861
n×2
42019240
n×3
63028860
n×4
84038480
n×5
105048100
n÷2
10504810
n÷3
7003206.6666667
n÷3
5252405
n÷5
4201924
n2
441404132544400
n3
9.2737330911875E+21
n4
1.9483760822727E+29
n5
4.0934641105639E+36
2 √n
4583.625202828
3 √n
275.93453954107
4 √n
67.702475603393
5 √n
29.13960359494
1 , 2 , 4 , 17 , 34 , 68 , 305 , 610 , 1013 , 1220 , 2026 , 4052 , 5185 , 10370 , 17221 , 20740 , 34442 , 68884 , 308965 , 617930 , 1235860 , 5252405 , 10504810 , 21009620
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21009619
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21009620 can be divided by 24 positive divisors.
The sum of these divisors (counting 21009620) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000001001010011010100
3
Ternary
1110112101210002
4
Quaternary
1100021103110
5
Quinary
20334301440
6
Senary
2030150432
8
Octal
120112324
10
Decimal
21009620
12
Duodecimal
7052418
16
Hexadecimal
14094d4
20
Vigesimal
6b6410
36
Base36
cib4k
md5
7fb95cff317e6d171a9cdefb2795ba6b
sha1
38d9214b267d1bdfcd3fdda8e3d9a99aee814506
sha256
eef7586e4a4adef5a6d0523dc8fa6befee2c18a2f13c5b9a87dad2ab1e489bc4
sha512
6e640170b68b8153cdab388ae89e9a69df10bb1e677feac486cca882b4be45f2ecd6173eeb1dd729328551686b8f3de2e9224a78cb2e181f9e9b5eb431351a3b
ripemd-160
4af9c46345b914a04a8de9f71dde7b2d063847f0
Diameter
42019240
Circumference
132007335.69343
Area
1.3867119800657E+15
Volume
3.884572233417E+22
Surface area
5.5468479202626E+15
Circumference
132007335.69343
Perimeter
84038480
Area
441404132544400
Diagonal
29712089.544305
Surface area
2648424795266400
Volume
9.2737330911875E+21
Space diagonal
36389729.287715
Perimeter
63028860
Area
1.9113359605944E+14
Altitude
18194864.643858
Surface area
1.9113359605944E+14
Volume
1.0929199259488E+21
Height
9904029.8481017