21406775 is an odd 8-digits composite number following 21406774
and preceding 21406776 . In scientific notation, it is written as 2.1406775 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors.
There are 15807840 positive integers (up to 21406775) that are relatively prime to 21406775.
21406775 has 12 divisors, whose sum is 28586712
The reverse of 21406775 is 57760412
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million four hundred six thousand seven hundred seventy-five
Scientific notation
2.1406775 × 10^7
Engineering notation
2.1406775 × 10^6
Prime Factorization
5 × 5 × 13 × 65867
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
4281355
Product of the distinct prime numbers
The prime factorization of 21406775 is 5 × 5 × 13 × 65867.
Since it has a total of 4 prime factors.
5 , 5 , 37 , 82 , 999 , 638 , 9672 , 6157 , 49384 , 38965 , 515141 , 314894 , 1270619 , 7449794 , 99400138 , 40253772 , 338233518 , 733641983 , 8143727853 , 9621170139
n×2
42813550
n×3
64220325
n×4
85627100
n×5
107033875
n÷2
10703387.5
n÷3
7135591.6666667
n÷3
5351693.75
n÷5
4281355
n2
458250015900625
n3
9.8096549841311E+21
n4
2.0999307707292E+29
n5
4.4952745524577E+36
2 √n
4626.7456165214
3 √n
277.66240527289
4 √n
68.020185360828
5 √n
29.248947898084
1 , 5 , 13 , 25 , 65 , 325 , 65867 , 329335 , 856271 , 1646675 , 4281355 , 21406775
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21406774
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21406775 can be divided by 12 positive divisors.
The sum of these divisors (counting 21406775) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010001101010010000110111
3
Ternary
1111021120120112
4
Quaternary
1101222100313
5
Quinary
20440004100
6
Senary
2042453235
8
Octal
121522067
10
Decimal
21406775
12
Duodecimal
720421b
16
Hexadecimal
146a437
20
Vigesimal
6dfgif
36
Base36
cqtkn
md5
6bfb5866db07586bac53901adb489056
sha1
d80b50a1659f061c4320999b1e14d546c5fc132b
sha256
5ed22a5e1b15173fe31682bf5fd4b8444ccae14c6f401a300eadaae493f8001e
sha512
b5eedcf97661de1388b92e70f920023d2e8e2e67e69640d5d1aa94c7de2b44a73a24adc98c69c13ac23f69e45cac2431ce76a5f58ce64fee7ab48352f79bba78
ripemd-160
1288750325b1a5eae6d9d39cb0316a486b8d10fe
Diameter
42813550
Circumference
134502734.1541
Area
1.4396348834608E+15
Volume
4.1090586709862E+22
Surface area
5.7585395338432E+15
Circumference
134502734.1541
Perimeter
85627100
Area
458250015900625
Diagonal
30273751.531669
Surface area
2749500095403750
Volume
9.8096549841311E+21
Space diagonal
37077621.926195
Perimeter
64220325
Area
1.9842807752728E+14
Altitude
18538810.963098
Surface area
1.9842807752728E+14
Volume
1.1560789267299E+21
Height
10091250.510556