20101288 is an even 8-digits composite number following 20101287
and preceding 20101289 . In scientific notation, it is written as 2.0101288 × 10^7.
The sum of its digits is 22. It has a total of 4 prime factors and 8 positive divisors.
There are 10050640 positive integers (up to 20101288) that are relatively prime to 20101288.
20101288 has 8 divisors, whose sum is 37689930
The reverse of 20101288 is 88210102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million one hundred one thousand two hundred eighty-eight
Scientific notation
2.0101288 × 10^7
Engineering notation
2.0101288 × 10^6
Prime Factorization
2 × 2 × 2 × 2512661
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
5025322
Product of the distinct prime numbers
The prime factorization of 20101288 is 2 × 2 × 2 × 2512661.
Since it has a total of 4 prime factors.
2 , 3 , 94 , 71 , 985 , 607 , 9345 , 4601 , 93129 , 8304 , 344204 , 149699 , 6771542 , 6974679 , 56511671 , 7431656 , 60616245 , 831479077 , 632514266 , 3548504037
n×2
40202576
n×3
60303864
n×4
80405152
n×5
100506440
n÷2
10050644
n÷3
6700429.3333333
n÷3
5025322
n÷5
4020257.6
n2
404061779258944
n3
8.1221621946765E+21
n4
1.632659214579E+29
n5
3.2818553078107E+36
2 √n
4483.4459961061
3 √n
271.89922016138
4 √n
66.958539381517
5 √n
28.883164730895
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20101287
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20101288 can be divided by 8 positive divisors.
The sum of these divisors (counting 20101288) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100101011100010101000
3
Ternary
1101211020210011
4
Quaternary
1030223202220
5
Quinary
20121220123
6
Senary
1554501304
8
Octal
114534250
10
Decimal
20101288
12
Duodecimal
6894834
16
Hexadecimal
132b8a8
20
Vigesimal
65cd48
36
Base36
byu94
md5
4c1d57b08f4a37ba2c9e4eda9e7cd145
sha1
90762b8ebfef88bd6a7fb2b89eff82974fed16ec
sha256
c1f88275c27d782a53bf382417fc9fecd222ae54f86b9d12d237213fee1c0869
sha512
0ddc3091dd7e03d290f4a7360ab966fb20c42d5de6cf0552a4bb49c7a967527d43caaabc2214be6294ad84c4e1ac1de9bd5ec9549c2897aebafa40545193dad6
ripemd-160
f0b71bab13b5a83506dd98a57aa5ea218994ca45
Diameter
40202576
Circumference
126300117.41699
Area
1.2693975173163E+15
Volume
3.4022033442747E+22
Surface area
5.0775900692653E+15
Circumference
126300117.41699
Perimeter
80405152
Area
404061779258944
Diagonal
28427514.110768
Surface area
2424370675553664
Volume
8.1221621946765E+21
Space diagonal
34816452.113575
Perimeter
60303864
Area
1.7496388276829E+14
Altitude
17408226.056787
Surface area
1.7496388276829E+14
Volume
9.5720599429212E+20
Height
9475838.0369225