18409904 is an even 8-digits composite number following 18409903
and preceding 18409905 . In scientific notation, it is written as 1.8409904 × 10^7.
The sum of its digits is 35. It has a total of 6 prime factors and 20 positive divisors.
There are 9180480 positive integers (up to 18409904) that are relatively prime to 18409904.
18409904 has 20 divisors, whose sum is 35764080
The reverse of 18409904 is 40990481
Previous prime number is 439
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighteen million four hundred nine thousand nine hundred four
Scientific notation
1.8409904 × 10^7
Engineering notation
1.8409904 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 439 × 2621
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2301238
Product of the distinct prime numbers
The prime factorization of 18409904 is 2 × 2 × 2 × 2 × 439 × 2621.
Since it has a total of 6 prime factors.
8 , 8 , 66 , 42 , 386 , 623 , 7869 , 1155 , 77236 , 42136 , 911887 , 381509 , 3868368 , 1615961 , 31061053 , 49956178 , 648322612 , 185236952 , 2837686456 , 1805164097
n×2
36819808
n×3
55229712
n×4
73639616
n×5
92049520
n÷2
9204952
n÷3
6136634.6666667
n÷3
4602476
n÷5
3681980.8
n2
338924565289216
n3
6.2395687102162E+21
n4
1.1486986095648E+29
n5
2.1147431127022E+36
2 √n
4290.6764035522
3 √n
264.04858303929
4 √n
65.503254908075
5 √n
28.379863662688
1 , 2 , 4 , 8 , 16 , 439 , 878 , 1756 , 2621 , 3512 , 5242 , 7024 , 10484 , 20968 , 41936 , 1150619 , 2301238 , 4602476 , 9204952 , 18409904
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18409903
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18409904 can be divided by 20 positive divisors.
The sum of these divisors (counting 18409904) is 1, the average is 0.05.
Base
System
Value
2
Binary
1000110001110100110110000
3
Ternary
1021122022122022
4
Quaternary
1012032212300
5
Quinary
14203104104
6
Senary
1454331012
8
Octal
106164660
10
Decimal
18409904
12
Duodecimal
61b9a68
16
Hexadecimal
118e9b0
20
Vigesimal
5f14f4
36
Base36
ayl68
md5
52c64188d5a8329799f7d521e406dcf5
sha1
4ed4267956f3f7cea8149684a4302292ae7da277
sha256
da292af2f1cd703d5925241228e9d025b6edf21075ca89abf32ff683c355a82c
sha512
4b618d7816f8cefdc33077a33a580c97262e5652d7a82fd3b6c94df4b0bb079e6be57a88eaf8ba787157a7303846af3d754116765c1e26a520224709be5cee0b
ripemd-160
596f264e4ad7dcabde3667b83b8aee4ddff52270
Diameter
36819808
Circumference
115672838.31939
Area
1.0647629244337E+15
Volume
2.6136244295445E+22
Surface area
4.2590516977349E+15
Circumference
115672838.31939
Perimeter
73639616
Area
338924565289216
Diagonal
26035535.918787
Surface area
2033547391735296
Volume
6.2395687102162E+21
Space diagonal
31886889.090466
Perimeter
55229712
Area
1.4675864175353E+14
Altitude
15943444.545233
Surface area
1.4675864175353E+14
Volume
7.3534022444555E+20
Height
8678511.9729289