21053385 is an odd 8-digits composite number following 21053384
and preceding 21053386 . In scientific notation, it is written as 2.1053385 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors.
There are 11168064 positive integers (up to 21053385) that are relatively prime to 21053385.
21053385 has 32 divisors, whose sum is 37630080
The reverse of 21053385 is 58335012
Previous prime number is 277
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million fifty-three thousand three hundred eighty-five
Scientific notation
2.1053385 × 10^7
Engineering notation
2.1053385 × 10^6
Prime Factorization
9 × 3 × 5 × 277 × 563
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21053385
Product of the distinct prime numbers
The prime factorization of 21053385 is 9 × 3 × 5 × 277 × 563.
Since it has a total of 5 prime factors.
4 , 10 , 48 , 91 , 106 , 432 , 5917 , 9188 , 2064 , 86232 , 423125 , 465664 , 419061 , 2785263 , 58595393 , 54611962 , 375577964 , 8135250 , 8183666117 , 8264469016
n×2
42106770
n×3
63160155
n×4
84213540
n×5
105266925
n÷2
10526692.5
n÷3
7017795
n÷3
5263346.25
n÷5
4210677
n2
443245019958225
n3
9.3318080545132E+21
n4
1.9646614771777E+29
n5
4.136277447369E+36
2 √n
4588.3967788324
3 √n
276.12600579125
4 √n
67.737705739362
5 √n
29.151733594952
1 , 3 , 5 , 9 , 15 , 27 , 45 , 135 , 277 , 563 , 831 , 1385 , 1689 , 2493 , 2815 , 4155 , 5067 , 7479 , 8445 , 12465 , 15201 , 25335 , 37395 , 76005 , 155951 , 467853 , 779755 , 1403559 , 2339265 , 4210677 , 7017795 , 21053385
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21053384
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21053385 can be divided by 32 positive divisors.
The sum of these divisors (counting 21053385) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000010011111111001001
3
Ternary
1110121121211000
4
Quaternary
1100103333021
5
Quinary
20342202020
6
Senary
2031125213
8
Octal
120237711
10
Decimal
21053385
12
Duodecimal
7073809
16
Hexadecimal
1413fc9
20
Vigesimal
6bbd95
36
Base36
cj8w9
md5
79ed21d31896291c99119c5e8b8cb1ed
sha1
6174dde07127db00330333f30ca8a9e7753a3351
sha256
856dd8404e4924c5891d3f1eb1845579b9332581412bf649b530b850d5ae6b1c
sha512
2bb3fe2e627e165f1ec5e708dde8fae84d777bf12d6cc65eeb59eb52899d67a73b398a1cad4b990d02d07e3de59c907d415b23577976efc863aacf04d6becfa6
ripemd-160
fd21b454e45956786879d1b918e3dc311bc110c1
Diameter
42106770
Circumference
132282319.2984
Area
1.392495298441E+15
Volume
3.9088986171692E+22
Surface area
5.5699811937641E+15
Circumference
132282319.2984
Perimeter
84213540
Area
443245019958225
Diagonal
29773982.600862
Surface area
2659470119749350
Volume
9.3318080545132E+21
Space diagonal
36465532.491308
Perimeter
63160155
Area
1.9193072369238E+14
Altitude
18232766.245654
Surface area
1.9193072369238E+14
Volume
1.0997641260129E+21
Height
9924660.8669541