21040904 is an even 8-digits composite number following 21040903
and preceding 21040905 . In scientific notation, it is written as 2.1040904 × 10^7.
The sum of its digits is 20. It has a total of 5 prime factors and 16 positive divisors.
There are 9966672 positive integers (up to 21040904) that are relatively prime to 21040904.
21040904 has 16 divisors, whose sum is 41528400
The reverse of 21040904 is 40904012
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty-one million forty thousand nine hundred four
Scientific notation
2.1040904 × 10^7
Engineering notation
2.1040904 × 10^6
Prime Factorization
2 × 2 × 2 × 19 × 138427
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5260226
Product of the distinct prime numbers
The prime factorization of 21040904 is 2 × 2 × 2 × 19 × 138427.
Since it has a total of 5 prime factors.
9 , 8 , 42 , 83 , 877 , 689 , 2997 , 2442 , 91240 , 46073 , 213239 , 979959 , 876613 , 5989509 , 52714686 , 58472511 , 532210379 , 888301147 , 3376326103 , 3412230524
n×2
42081808
n×3
63122712
n×4
84163616
n×5
105204520
n÷2
10520452
n÷3
7013634.6666667
n÷3
5260226
n÷5
4208180.8
n2
442719641137216
n3
9.3152214680826E+21
n4
1.9600068064867E+29
n5
4.1240315054632E+36
2 √n
4587.0365160962
3 √n
276.07143008719
4 √n
67.727664333684
5 √n
29.148276392266
1 , 2 , 4 , 8 , 19 , 38 , 76 , 152 , 138427 , 276854 , 553708 , 1107416 , 2630113 , 5260226 , 10520452 , 21040904
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
-21040903
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 21040904 can be divided by 16 positive divisors.
The sum of these divisors (counting 21040904) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000010000111100001000
3
Ternary
1110120222200202
4
Quaternary
1100100330020
5
Quinary
20341302104
6
Senary
2030551332
8
Octal
120207410
10
Decimal
21040904
12
Duodecimal
7068548
16
Hexadecimal
1410f08
20
Vigesimal
6ba254
36
Base36
ciz9k
md5
38fcbeccac8f3c6a7b19421446d9a202
sha1
e411e09fd9e0b09e3e06a022b017d4ff5e47394a
sha256
3a4639bf6c0f17d0cf3acd38d765752b1beca2369f7fa31a8bf19005024c8bc3
sha512
b0d47dbee9832f3e8b596572ac6075f279e9c975fa26586ca40a860ee78921aa6198646acbdc1d15ed29e729317845d7b5137aa3ea12fb6abef9048dd4673352
ripemd-160
aecbdbc976232e53285e11f9842a7c72f97f5e3a
Diameter
42081808
Circumference
132203898.86258
Area
1.3908447721966E+15
Volume
3.901950844092E+22
Surface area
5.5633790887863E+15
Circumference
132203898.86258
Perimeter
84163616
Area
442719641137216
Diagonal
29756331.80139
Surface area
2656317846823296
Volume
9.3152214680826E+21
Space diagonal
36443914.765179
Perimeter
63122712
Area
1.9170322798958E+14
Altitude
18221957.38259
Surface area
1.9170322798958E+14
Volume
1.097809378056E+21
Height
9918777.2671301