20105995 is an odd 8-digits composite number following 20105994
and preceding 20105996 . In scientific notation, it is written as 2.0105995 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 12726144 positive integers (up to 20105995) that are relatively prime to 20105995.
20105995 has 16 divisors, whose sum is 29695680
The reverse of 20105995 is 59950102
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred five thousand nine hundred ninety-five
Scientific notation
2.0105995 × 10^7
Engineering notation
2.0105995 × 10^6
Prime Factorization
7 × 5 × 13 × 44189
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20105995
Product of the distinct prime numbers
The prime factorization of 20105995 is 7 × 5 × 13 × 44189.
Since it has a total of 4 prime factors.
10 , 5 , 55 , 34 , 222 , 623 , 3752 , 3403 , 53666 , 41932 , 784448 , 130997 , 7163073 , 6433182 , 32745883 , 80032046 , 375710199 , 871219005 , 2489670906 , 3096256096
n×2
40211990
n×3
60317985
n×4
80423980
n×5
100529975
n÷2
10052997.5
n÷3
6701998.3333333
n÷3
5026498.75
n÷5
4021199
n2
404251034940025
n3
8.127869287249E+21
n4
1.6341889925008E+29
n5
3.2856995712276E+36
2 √n
4483.9708964265
3 √n
271.92044151703
4 √n
66.962458858875
5 √n
28.884517284264
1 , 5 , 7 , 13 , 35 , 65 , 91 , 455 , 44189 , 220945 , 309323 , 574457 , 1546615 , 2872285 , 4021199 , 20105995
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
-20105994
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 20105995 can be divided by 16 positive divisors.
The sum of these divisors (counting 20105995) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100101100101100001011
3
Ternary
1101211111020111
4
Quaternary
1030230230023
5
Quinary
20121342440
6
Senary
1554535151
8
Octal
114545413
10
Decimal
20105995
12
Duodecimal
68974b7
16
Hexadecimal
132cb0b
20
Vigesimal
65d4jf
36
Base36
byxvv
md5
909bc68b1017606d45dca3ba4e3cd9f6
sha1
46c9cbeb25d5a820808ebeb09584dcc52c5fe5bf
sha256
15005b5527a9fcac65ac2fc644b6312c2252e6ada1128670aedc289c7508d4f1
sha512
f43ebb021e0abc3ad22b436d31b29a68c50865b2b148a761e3bca5c591a360305c3c9619f82ae893676d07a1419303b71f0965cee28f42fb44f0d6cfcd0bdcd7
ripemd-160
1660a6cb267f9b184628c0e52e2bc25474bbed81
Diameter
40211990
Circumference
126329692.37023
Area
1.2699920815737E+15
Volume
3.4045939256213E+22
Surface area
5.0799683262946E+15
Circumference
126329692.37023
Perimeter
80423980
Area
404251034940025
Diagonal
28434170.814006
Surface area
2425506209640150
Volume
8.127869287249E+21
Space diagonal
34824604.876726
Perimeter
60317985
Area
1.7504583288211E+14
Altitude
17412302.438363
Surface area
1.7504583288211E+14
Volume
9.5787858160194E+20
Height
9478056.9380019