18442820 is an even 8-digits composite number following 18442819
and preceding 18442821 . In scientific notation, it is written as 1.8442820 × 10^7.
The sum of its digits is 29. It has a total of 5 prime factors and 24 positive divisors.
There are 6705600 positive integers (up to 18442820) that are relatively prime to 18442820.
18442820 has 24 divisors, whose sum is 35853888
The reverse of 18442820 is 02824481
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
eighteen million four hundred forty-two thousand eight hundred twenty
Scientific notation
1.8442820 × 10^7
Engineering notation
1.8442820 × 10^6
Prime Factorization
2 × 2 × 55 × 11 × 7621
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
9221410
Product of the distinct prime numbers
The prime factorization of 18442820 is 2 × 2 × 55 × 11 × 7621.
Since it has a total of 5 prime factors.
9 , 4 , 81 , 67 , 429 , 382 , 6872 , 5424 , 79713 , 49683 , 380473 , 728922 , 9575398 , 2447298 , 66508003 , 15341693 , 259504672 , 47268949 , 4762785190 , 2504756206
n×2
36885640
n×3
55328460
n×4
73771280
n×5
92214100
n÷2
9221410
n÷3
6147606.6666667
n÷3
4610705
n÷5
3688564
n2
340137609552400
n3
6.2730967082052E+21
n4
1.1569359343202E+29
n5
2.1337161188199E+36
2 √n
4294.5104493993
3 √n
264.20585795597
4 √n
65.532514444353
5 √n
28.390004771749
1 , 2 , 4 , 11 , 22 , 44 , 55 , 110 , 220 , 605 , 1210 , 2420 , 7621 , 15242 , 30484 , 83831 , 167662 , 335324 , 419155 , 838310 , 1676620 , 4610705 , 9221410 , 18442820
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18442819
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18442820 can be divided by 24 positive divisors.
The sum of these divisors (counting 18442820) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1000110010110101001000100
3
Ternary
1021200222210102
4
Quaternary
1012112221010
5
Quinary
14210132240
6
Senary
1455143232
8
Octal
106265104
10
Decimal
18442820
12
Duodecimal
6214b18
16
Hexadecimal
1196a44
20
Vigesimal
5f5710
36
Base36
azakk
md5
dcf19958f637265bfc7d2f165dd6581c
sha1
f66b26e49a8bfeb634a8871f4226c8c2cf457312
sha256
a295accb97337da449539915e93f1d8dfaa508053f73f9cc7a5bc30a60e74f0d
sha512
bcdefb638276f305e622aac59f6acae4a0d7603f79e2bf4e17c6451553a79a75cf4b18b2710972d51d369ab538ebfcf474aa11c7664c8a6673c889f91eed7913
ripemd-160
49f3ba4c9f6718cedd9c6f24c53811b71a1a4eb0
Diameter
36885640
Circumference
115879655.64696
Area
1.0685738153794E+15
Volume
2.6276686045008E+22
Surface area
4.2742952615177E+15
Circumference
115879655.64696
Perimeter
73771280
Area
340137609552400
Diagonal
26082086.172406
Surface area
2040825657314400
Volume
6.2730967082052E+21
Space diagonal
31943901.274847
Perimeter
55328460
Area
1.4728390532745E+14
Altitude
15971950.637424
Surface area
1.4728390532745E+14
Volume
7.3929153690182E+20
Height
8694028.7241353