20105949 is an odd 8-digits composite number following 20105948
and preceding 20105950 . In scientific notation, it is written as 2.0105949 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 12652800 positive integers (up to 20105949) that are relatively prime to 20105949.
20105949 has 16 divisors, whose sum is 28353024
The reverse of 20105949 is 94950102
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million one hundred five thousand nine hundred forty-nine
Scientific notation
2.0105949 × 10^7
Engineering notation
2.0105949 × 10^6
Prime Factorization
3 × 31 × 41 × 5273
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20105949
Product of the distinct prime numbers
The prime factorization of 20105949 is 3 × 31 × 41 × 5273.
Since it has a total of 4 prime factors.
3 , 2 , 74 , 66 , 175 , 617 , 162 , 3709 , 1149 , 61008 , 706435 , 330136 , 3834954 , 6453578 , 92481087 , 98583088 , 788259031 , 883495461 , 212958760 , 7555657460
n×2
40211898
n×3
60317847
n×4
80423796
n×5
100529745
n÷2
10052974.5
n÷3
6701983
n÷3
5026487.25
n÷5
4021189.8
n2
404249185190601
n3
8.1278135007338E+21
n4
1.6341740372726E+29
n5
3.2856619850528E+36
2 √n
4483.9657670415
3 √n
271.92023414357
4 √n
66.962420558411
5 √n
28.88450406742
1 , 3 , 31 , 41 , 93 , 123 , 1271 , 3813 , 5273 , 15819 , 163463 , 216193 , 490389 , 648579 , 6701983 , 20105949
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
-20105948
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 20105949 can be divided by 16 positive divisors.
The sum of these divisors (counting 20105949) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100101100101011011101
3
Ternary
1101211111011210
4
Quaternary
1030230223131
5
Quinary
20121342244
6
Senary
1554535033
8
Octal
114545335
10
Decimal
20105949
12
Duodecimal
6897479
16
Hexadecimal
132cadd
20
Vigesimal
65d4h9
36
Base36
byxul
md5
532fac857b19c002509f6eb15667c5f8
sha1
887f3a61c250d624b9118d91a3a59bf3f4584643
sha256
823c3dda0e9573d82a983b5a94e6a770597edbfd33a7b3e8b3b6b51f451c0927
sha512
2ba77601a4c3c2e8c75476616a2a365afa4a6e6ecee59b3f1d86775b3b37b837d2bdf2cb9444cccf4e29fdf591ff9a143defeed11d7da123045240e1fddca3eb
ripemd-160
db4fc852286d09a17d53654d28c46f91b9e6a64b
Diameter
40211898
Circumference
126329403.3437
Area
1.2699862704145E+15
Volume
3.4045705578204E+22
Surface area
5.0799450816578E+15
Circumference
126329403.3437
Perimeter
80423796
Area
404249185190601
Diagonal
28434105.760182
Surface area
2425495111143606
Volume
8.1278135007338E+21
Space diagonal
34824525.202389
Perimeter
60317847
Area
1.7504503191711E+14
Altitude
17412262.601194
Surface area
1.7504503191711E+14
Volume
9.5787200709807E+20
Height
9478035.2533939