2106405 is an odd 7-digits composite number following 2106404
and preceding 2106406 . In scientific notation, it is written as 2.106405 × 10^6.
The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors.
There are 961632 positive integers (up to 2106405) that are relatively prime to 2106405.
2106405 has 8 divisors, whose sum is 2226048
The reverse of 2106405 is 5046012
Previous prime number is 135
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 18
Digital Root 9
Name
two million one hundred six thousand four hundred five
Scientific notation
2.106405 × 10^6
Engineering notation
2.106405 × 10^6
Prime Factorization
21 × 135 × 743
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2106405
Product of the distinct prime numbers
The prime factorization of 2106405 is 21 × 135 × 743.
Since it has a total of 3 prime factors.
10 , 3 , 30 , 54 , 820 , 763 , 4565 , 6069 , 77348 , 21601 , 180239 , 681239 , 6870017 , 4555991 , 68281946 , 95526697 , 176136914 , 479037042 , 5520303893 , 2881856713
n×2
4212810
n×3
6319215
n×4
8425620
n×5
10532025
n÷2
1053202.5
n÷3
702135
n÷3
526601.25
n÷5
421281
n2
4436942024025
n3
9.3459968641164E+18
n4
1.9686454524559E+25
n5
4.1467646242804E+31
2 √n
1451.3459270622
3 √n
128.1879765756
4 √n
38.096534318258
5 √n
18.395363555367
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
-2106404
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 2106405 can be divided by 8 positive divisors.
The sum of these divisors (counting 2106405) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000000010010000100101
3
Ternary
10222000110000
4
Quaternary
20002100211
5
Quinary
1014401110
6
Senary
113051513
8
Octal
10022045
10
Decimal
2106405
12
Duodecimal
856b99
16
Hexadecimal
202425
20
Vigesimal
d3605
36
Base36
195b9
md5
0d2112a5ec14b4da4de6671366073ce7
sha1
8eb6566506f23a2bd65d1562cb83a30e2ac03ccb
sha256
b9f56e55f3f96ac963a2a91732f2e5bebffb22b27b1ac60dd34b43e5d7da40bc
sha512
38d7f11d5e5bee35019858c205b08d065ade5d4bc213b7ab27c15090385ff2a9d5d96152b7c09a658dbfe576ee8515001ac64784c872212a527aec4322abefd2
ripemd-160
c2f7bfb44d68e2faa6117a4d6d6bc5a479760ebe
Diameter
4212810
Circumference
13234932.94697
Area
13939064467081
Volume
3.9148420118375E+19
Surface area
55756257868323
Circumference
13234932.94697
Perimeter
8425620
Area
4436942024025
Diagonal
2978906.5188505
Surface area
26621652144150
Volume
9.3459968641164E+18
Space diagonal
3648400.4813171
Perimeter
6319215
Area
1921252253962.2
Altitude
1824200.2406586
Surface area
1921252253962.2
Volume
1.1014362932608E+18
Height
992968.83961683