18409919 is an odd 8-digits composite number following 18409918
and preceding 18409920 . In scientific notation, it is written as 1.8409919 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 16736280 positive integers (up to 18409919) that are relatively prime to 18409919.
18409919 has 4 divisors, whose sum is 20083560
The reverse of 18409919 is 91990481
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
eighteen million four hundred nine thousand nine hundred nineteen
Scientific notation
1.8409919 × 10^7
Engineering notation
1.8409919 × 10^6
Prime Factorization
11 × 1673629
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
18409919
Product of the distinct prime numbers
The prime factorization of 18409919 is 11 × 1673629.
Since it has a total of 2 prime factors.
7 , 1 , 99 , 84 , 812 , 299 , 4380 , 649 , 80143 , 47528 , 634519 , 108914 , 6615938 , 9846135 , 4390128 , 72395197 , 212260548 , 675932470 , 8985794606 , 5693886145
n×2
36819838
n×3
55229757
n×4
73639676
n×5
92049595
n÷2
9204959.5
n÷3
6136639.6666667
n÷3
4602479.75
n÷5
3681983.8
n2
338925117586561
n3
6.2395839618341E+21
n4
1.1487023533106E+29
n5
2.1147517279558E+36
2 √n
4290.678151528
3 √n
264.048654753
4 √n
65.503268250737
5 √n
28.379868287348
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18409918
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18409919 can be divided by 4 positive divisors.
The sum of these divisors (counting 18409919) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000110001110100110111111
3
Ternary
1021122022122212
4
Quaternary
1012032212333
5
Quinary
14203104134
6
Senary
1454331035
8
Octal
106164677
10
Decimal
18409919
12
Duodecimal
61b9a7b
16
Hexadecimal
118e9bf
20
Vigesimal
5f14fj
36
Base36
ayl6n
md5
02d1fbe498cc32290e92023989ffe341
sha1
9b43a98863f739753492f129bc4046c2d63fe7fe
sha256
500213fd1452c9a27ab48873471ff6feb51eac91a1825f0da95908434bac6d93
sha512
73cc052321b5a09e80df89e5dadf7dc602a2537c1e8511df4a838c4a2b8d0e48186f9065eb0d55a2a1db8c95ece1a0873fb7c9a328bbcad30c52272e3ea582c9
ripemd-160
e61e29854bdde8bd81311021c4d702d0dd951331
Diameter
36819838
Circumference
115672932.56717
Area
1.064764659527E+15
Volume
2.6136308181273E+22
Surface area
4.259058638108E+15
Circumference
115672932.56717
Perimeter
73639676
Area
338925117586561
Diagonal
26035557.13199
Surface area
2033550705519366
Volume
6.2395839618341E+21
Space diagonal
31886915.071228
Perimeter
55229757
Area
1.4675888090529E+14
Altitude
15943457.535614
Surface area
1.4675888090529E+14
Volume
7.3534202186595E+20
Height
8678519.0439967