20105640 is an even 8-digits composite number following 20105639
and preceding 20105641 . In scientific notation, it is written as 2.0105640 × 10^7.
The sum of its digits is 18. It has a total of 5 prime factors and 16 positive divisors.
There are 5361408 positive integers (up to 20105640) that are relatively prime to 20105640.
20105640 has 16 divisors, whose sum is 38536500
The reverse of 20105640 is 04650102
Previous prime number is 45
Is Prime? no
Number parity even
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty million one hundred five thousand six hundred forty
Scientific notation
2.0105640 × 10^7
Engineering notation
2.0105640 × 10^6
Prime Factorization
2 × 2 × 2 × 45 × 55849
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5026410
Product of the distinct prime numbers
The prime factorization of 20105640 is 2 × 2 × 2 × 45 × 55849.
Since it has a total of 5 prime factors.
6 , 8 , 24 , 62 , 461 , 797 , 6609 , 495 , 78938 , 97478 , 982732 , 563166 , 5330183 , 9944898 , 15272250 , 29177376 , 246761740 , 850060041 , 9635663456 , 7382658492
n×2
40211280
n×3
60316920
n×4
80422560
n×5
100528200
n÷2
10052820
n÷3
6701880
n÷3
5026410
n÷5
4021128
n2
404236759809600
n3
8.1274387674983E+21
n4
1.6340735798136E+29
n5
3.2854095129244E+36
2 √n
4483.9313108031
3 √n
271.91884112662
4 √n
66.962163277504
5 √n
28.884415284079
1 , 2 , 4 , 8 , 45 , 90 , 180 , 360 , 55849 , 111698 , 223396 , 446792 , 2513205 , 5026410 , 10052820 , 20105640
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
-20105639
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 20105640 can be divided by 16 positive divisors.
The sum of these divisors (counting 20105640) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100101100100110101000
3
Ternary
1101211110202100
4
Quaternary
1030230212220
5
Quinary
20121340030
6
Senary
1554533400
8
Octal
114544650
10
Decimal
20105640
12
Duodecimal
6897260
16
Hexadecimal
132c9a8
20
Vigesimal
65d420
36
Base36
byxm0
md5
af7ea8080a99048c4559d0c2e53aee08
sha1
cd2091602cb8d104338cd20490fabd6cf2efcccd
sha256
ecd1e57a3492eedc9496100fc415bf2c64342918d1343563922666c935730829
sha512
b924ecc359587352df623df0274453f2a51ea89bfe172964b2ab88369f7130483f0b8ba49c94a0e2430e1c38ad7fc9968f69aaa336f07487e5d4793c5ac8ccee
ripemd-160
9d8f5f7d5fb593fcfe1f3c7665cc03a7a7057cd8
Diameter
40211280
Circumference
126327461.83944
Area
1.2699472349288E+15
Volume
3.4044135899298E+22
Surface area
5.0797889397151E+15
Circumference
126327461.83944
Perimeter
80422560
Area
404236759809600
Diagonal
28433668.768191
Surface area
2425420558857600
Volume
8.1274387674983E+21
Space diagonal
34823989.998689
Perimeter
60316920
Area
1.7503965156931E+14
Altitude
17411994.999345
Surface area
1.7503965156931E+14
Volume
9.5782784436275E+20
Height
9477889.589397