21084557 is an odd 8-digits composite number following 21084556
and preceding 21084558 . In scientific notation, it is written as 2.1084557 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 18627840 positive integers (up to 21084557) that are relatively prime to 21084557.
21084557 has 16 divisors, whose sum is 23697408
The reverse of 21084557 is 75548012
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million eighty-four thousand five hundred fifty-seven
Scientific notation
2.1084557 × 10^7
Engineering notation
2.1084557 × 10^6
Prime Factorization
13 × 113 × 31 × 463
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21084557
Product of the distinct prime numbers
The prime factorization of 21084557 is 13 × 113 × 31 × 463.
Since it has a total of 4 prime factors.
4 , 5 , 78 , 84 , 450 , 144 , 1850 , 7575 , 86757 , 83367 , 418563 , 217441 , 1794550 , 2646483 , 81070738 , 50161968 , 696058205 , 173294020 , 9976310301 , 9797133872
n×2
42169114
n×3
63253671
n×4
84338228
n×5
105422785
n÷2
10542278.5
n÷3
7028185.6666667
n÷3
5271139.25
n÷5
4216911.4
n2
444558543886249
n3
9.3733199584066E+21
n4
1.9763229894226E+29
n5
4.1669894720892E+36
2 √n
4591.7923515769
3 √n
276.26221754146
4 √n
67.762765229711
5 √n
29.160360997453
1 , 13 , 31 , 113 , 403 , 463 , 1469 , 3503 , 6019 , 14353 , 45539 , 52319 , 186589 , 680147 , 1621889 , 21084557
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
-21084556
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 21084557 can be divided by 16 positive divisors.
The sum of these divisors (counting 21084557) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000011011100110001101
3
Ternary
1110200012120112
4
Quaternary
1100123212031
5
Quinary
20344201212
6
Senary
2031525405
8
Octal
120334615
10
Decimal
21084557
12
Duodecimal
7089865
16
Hexadecimal
141b98d
20
Vigesimal
6bfb7h
36
Base36
cjwy5
md5
2f14fd94d53a874ee3e75ee7c441da04
sha1
830d57fd691e6e5826e79e65806c9a7687e3e480
sha256
d5d7315f296b8dd833174073fa075ef448417decc6f60016f2254e883f40d147
sha512
60f5b181659092855ea85e529d59f76d21634a79693efda0e40b7db48e98a34ea3a2ff0bd3a06d17c7f7b80b363f228c4037cc3617b2ca9b929d2641dc0f6a1a
ripemd-160
3f91b30a3c059dd929a39bc7700781253f34233b
Diameter
42169114
Circumference
132478178.75079
Area
1.3966218555636E+15
Volume
3.9262870828102E+22
Surface area
5.5864874222545E+15
Circumference
132478178.75079
Perimeter
84338228
Area
444558543886249
Diagonal
29818066.466029
Surface area
2667351263317494
Volume
9.3733199584066E+21
Space diagonal
36519523.979082
Perimeter
63253671
Area
1.9249949623746E+14
Altitude
18259761.989541
Surface area
1.9249949623746E+14
Volume
1.1046563508034E+21
Height
9939355.4886762