20105955 is an odd 8-digits composite number following 20105954
and preceding 20105956 . In scientific notation, it is written as 2.0105955 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 10723104 positive integers (up to 20105955) that are relatively prime to 20105955.
20105955 has 16 divisors, whose sum is 35744160
The reverse of 20105955 is 55950102
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred five thousand nine hundred fifty-five
Scientific notation
2.0105955 × 10^7
Engineering notation
2.0105955 × 10^6
Prime Factorization
9 × 3 × 5 × 148933
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20105955
Product of the distinct prime numbers
The prime factorization of 20105955 is 9 × 3 × 5 × 148933.
Since it has a total of 4 prime factors.
6 , 7 , 88 , 60 , 886 , 390 , 6835 , 8258 , 32852 , 4940 , 819488 , 635834 , 3098388 , 662297 , 9725747 , 70023025 , 865834040 , 198944794 , 4997948736 , 2497835328
n×2
40211910
n×3
60317865
n×4
80423820
n×5
100529775
n÷2
10052977.5
n÷3
6701985
n÷3
5026488.75
n÷5
4021191
n2
404249426462025
n3
8.1278207772213E+21
n4
1.6341759879488E+29
n5
3.2856668875778E+36
2 √n
4483.966436092
3 √n
271.9202611923
4 √n
66.962425554127
5 √n
28.884505791358
1 , 3 , 5 , 9 , 15 , 27 , 45 , 135 , 148933 , 446799 , 744665 , 1340397 , 2233995 , 4021191 , 6701985 , 20105955
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
-20105954
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 20105955 can be divided by 16 positive divisors.
The sum of these divisors (counting 20105955) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100101100101011100011
3
Ternary
1101211111012000
4
Quaternary
1030230223203
5
Quinary
20121342310
6
Senary
1554535043
8
Octal
114545343
10
Decimal
20105955
12
Duodecimal
6897483
16
Hexadecimal
132cae3
20
Vigesimal
65d4hf
36
Base36
byxur
md5
0f2be945c1dbc624bdb7e5d2df65231f
sha1
6c1b76bcd69be7255f190417bef3310d8d50d88f
sha256
566974485b80d49d340ecbc9ac2fdc336a267e0090fec2ce6c0b354cabf1788c
sha512
7daf809c7f7c0fe34411315028f42a186630b03ef28e8dc9d0faeab018d94f332c9e5edb7d1026e2c1db0975ffaf622911136c5dd14a2d43c2d089c94941a9e8
ripemd-160
a1dbe54991ea71cbeaaf056d39fe7169ae024e77
Diameter
40211910
Circumference
126329441.04281
Area
1.269987028391E+15
Volume
3.4045736057884E+22
Surface area
5.0799481135639E+15
Circumference
126329441.04281
Perimeter
80423820
Area
404249426462025
Diagonal
28434114.245463
Surface area
2425496558772150
Volume
8.1278207772213E+21
Space diagonal
34824535.594694
Perimeter
60317865
Area
1.750451363907E+14
Altitude
17412267.797347
Surface area
1.750451363907E+14
Volume
9.5787286464035E+20
Height
9478038.081821