21105846 is an even 8-digits composite number following 21105845
and preceding 21105847 . In scientific notation, it is written as 2.1105846 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors.
There are 6664032 positive integers (up to 21105846) that are relatively prime to 21105846.
21105846 has 32 divisors, whose sum is 46085760
The reverse of 21105846 is 64850112
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million one hundred five thousand eight hundred forty-six
Scientific notation
2.1105846 × 10^7
Engineering notation
2.1105846 × 10^6
Prime Factorization
2 × 27 × 3 × 19 × 6857
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21105846
Product of the distinct prime numbers
The prime factorization of 21105846 is 2 × 27 × 3 × 19 × 6857.
Since it has a total of 5 prime factors.
4 , 10 , 71 , 98 , 371 , 441 , 5271 , 7285 , 5687 , 56744 , 479058 , 23662 , 1366487 , 6484495 , 36559749 , 35780631 , 400343874 , 146200631 , 7510215200 , 7766498619
n×2
42211692
n×3
63317538
n×4
84423384
n×5
105529230
n÷2
10552923
n÷3
7035282
n÷3
5276461.5
n÷5
4221169.2
n2
445456735375716
n3
9.4017412565026E+21
n4
1.9843170309159E+29
n5
4.1880689669688E+36
2 √n
4594.1099246753
3 √n
276.35516658154
4 √n
67.779863710952
5 √n
29.16624724255
1 , 2 , 3 , 6 , 19 , 27 , 38 , 54 , 57 , 81 , 114 , 162 , 513 , 1026 , 1539 , 3078 , 6857 , 13714 , 20571 , 41142 , 130283 , 185139 , 260566 , 370278 , 390849 , 555417 , 781698 , 1110834 , 3517641 , 7035282 , 10552923 , 21105846
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
-21105845
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 21105846 can be divided by 32 positive divisors.
The sum of these divisors (counting 21105846) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000100000110010110110
3
Ternary
1110201021210000
4
Quaternary
1100200302312
5
Quinary
20400341341
6
Senary
2032212130
8
Octal
120406266
10
Decimal
21105846
12
Duodecimal
709a046
16
Hexadecimal
1420cb6
20
Vigesimal
6bi4c6
36
Base36
ckddi
md5
f9c64f2a1dadcb8317ecf46b6e5e723f
sha1
062f2a6dd613e1cbcf675509e924dcf014052209
sha256
30cac4a8cc0a78bcd1f88108bbe10bfafd488f4ba57deb86f648f5ee5845be7b
sha512
865f98f7d0ff009b57c0c1ad5be6d87234ea60db5848356dd793ceb1ca39416417cba47a80477cfcd079c1a57082499b7db45f5d6b7fddd90f31e87c854151e2
ripemd-160
ee586d7a9626f04d513176f645d9297be6910445
Diameter
42211692
Circumference
132611941.4828
Area
1.3994436073484E+15
Volume
3.9381921683174E+22
Surface area
5.5977744293938E+15
Circumference
132611941.4828
Perimeter
84423384
Area
445456735375716
Diagonal
29848173.658558
Surface area
2672740412254296
Volume
9.4017412565026E+21
Space diagonal
36556397.608724
Perimeter
63317538
Area
1.9288842456113E+14
Altitude
18278198.804362
Surface area
1.9288842456113E+14
Volume
1.1080058329057E+21
Height
9949391.2195193