20108493 is an odd 8-digits composite number following 20108492
and preceding 20108494 . In scientific notation, it is written as 2.0108493 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 13230864 positive integers (up to 20108493) that are relatively prime to 20108493.
20108493 has 16 divisors, whose sum is 23472960
The reverse of 20108493 is 39480102
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred eight thousand four hundred ninety-three
Scientific notation
2.0108493 × 10^7
Engineering notation
2.0108493 × 10^6
Prime Factorization
9 × 27 × 83 × 997
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20108493
Product of the distinct prime numbers
The prime factorization of 20108493 is 9 × 27 × 83 × 997.
Since it has a total of 4 prime factors.
10 , 1 , 76 , 66 , 546 , 788 , 5985 , 306 , 87318 , 64966 , 241369 , 528847 , 7912446 , 3466273 , 2023452 , 15588215 , 248104055 , 553854846 , 4686112079 , 3873736736
n×2
40216986
n×3
60325479
n×4
80433972
n×5
100542465
n÷2
10054246.5
n÷3
6702831
n÷3
5027123.25
n÷5
4021698.6
n2
404351490731049
n3
8.1308991209049E+21
n4
1.6350012805642E+29
n5
3.2877411805217E+36
2 √n
4484.2494355243
3 √n
271.93170232315
4 √n
66.964538641913
5 √n
28.885234980043
1 , 9 , 27 , 83 , 243 , 747 , 997 , 2241 , 8973 , 20169 , 26919 , 82751 , 242271 , 744759 , 2234277 , 20108493
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
-20108492
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 20108493 can be divided by 16 positive divisors.
The sum of these divisors (counting 20108493) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100101101010011001101
3
Ternary
1101211121200000
4
Quaternary
1030231103031
5
Quinary
20121432433
6
Senary
1554554513
8
Octal
114552315
10
Decimal
20108493
12
Duodecimal
6898a39
16
Hexadecimal
132d4cd
20
Vigesimal
65db4d
36
Base36
byzt9
md5
0a15dfa924a851b56bebf9819bce3795
sha1
65b8e66546f0e66153b2f19948c81fc409d48b00
sha256
b6de33c930480e16f051133d87e0e3e151fd0098dce22bd1e66a34aed98f56e9
sha512
05bba8a78fe9125b0ff5e7e7f41a0e65f4db236f83bf3d363b45dbb2fffbc827a94e8a2aa1b654ab6deaa758e46a9ba70e0309f2ef928cf2e7eb7ca321597b25
ripemd-160
ad2ffa6f807392e0da279ecefe48e38c7086c1f8
Diameter
40216986
Circumference
126345387.76712
Area
1.2703076727487E+15
Volume
3.4058630593753E+22
Surface area
5.081230690995E+15
Circumference
126345387.76712
Perimeter
80433972
Area
404351490731049
Diagonal
28437703.519484
Surface area
2426108944386294
Volume
8.1308991209049E+21
Space diagonal
34828931.539643
Perimeter
60325479
Area
1.750893315156E+14
Altitude
17414465.769822
Surface area
1.750893315156E+14
Volume
9.5823565092259E+20
Height
9479234.5064948