20145018 is an even 8-digits composite number following 20145017
and preceding 20145019 . In scientific notation, it is written as 2.0145018 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 6677136 positive integers (up to 20145018) that are relatively prime to 20145018.
20145018 has 16 divisors, whose sum is 40517280
The reverse of 20145018 is 81054102
Previous prime number is 179
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million one hundred forty-five thousand eighteen
Scientific notation
2.0145018 × 10^7
Engineering notation
2.0145018 × 10^6
Prime Factorization
2 × 3 × 179 × 18757
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20145018
Product of the distinct prime numbers
The prime factorization of 20145018 is 2 × 3 × 179 × 18757.
Since it has a total of 4 prime factors.
4 , 7 , 28 , 18 , 442 , 778 , 5143 , 4354 , 14377 , 70303 , 158133 , 723187 , 3439124 , 7644418 , 37378341 , 9462138 , 739113860 , 417623487 , 2628713008 , 673484365
n×2
40290036
n×3
60435054
n×4
80580072
n×5
100725090
n÷2
10072509
n÷3
6715006
n÷3
5036254.5
n÷5
4029003.6
n2
405821750220324
n3
8.1752864629799E+21
n4
1.6469129295189E+29
n5
3.317709060959E+36
2 √n
4488.320175745
3 √n
272.09624801734
4 √n
66.994926492571
5 √n
28.895720773269
1 , 2 , 3 , 6 , 179 , 358 , 537 , 1074 , 18757 , 37514 , 56271 , 112542 , 3357503 , 6715006 , 10072509 , 20145018
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
-20145017
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 20145018 can be divided by 16 positive divisors.
The sum of these divisors (counting 20145018) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110110001101111010
3
Ternary
1101220110202210
4
Quaternary
1030312031322
5
Quinary
20124120033
6
Senary
1555435550
8
Octal
114661572
10
Decimal
20145018
12
Duodecimal
68b5bb6
16
Hexadecimal
133637a
20
Vigesimal
65i2ai
36
Base36
bzrzu
md5
2ee48a603d2baf67ffa10b571fc1453d
sha1
d30c91de306426611118ebc4c23e71c775f3c0af
sha256
f536d7b621a4233d317dc1918096b414d2d27d2932000ca4312d53e7497d5e28
sha512
ab491467eb2494240d607ad76b60cca10b69fd4415c90973e63bcd4bbb042637f261e940beea506c6df1f66d9008f45a2ae665c09eaa564882b7a5e5b8b8f829
ripemd-160
adb20986e0b85363c31c2ff29e20214fd96dbf45
Diameter
40290036
Circumference
126574881.11047
Area
1.2749266291591E+15
Volume
3.4244559857453E+22
Surface area
5.0997065166365E+15
Circumference
126574881.11047
Perimeter
80580072
Area
405821750220324
Diagonal
28489357.66985
Surface area
2434930501321944
Volume
8.1752864629799E+21
Space diagonal
34892194.69539
Perimeter
60435054
Area
1.7572597254953E+14
Altitude
17446097.347695
Surface area
1.7572597254953E+14
Volume
9.6346674935262E+20
Height
9496452.5566167