20128877 is an odd 8-digits composite number following 20128876
and preceding 20128878 . In scientific notation, it is written as 2.0128877 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 19828380 positive integers (up to 20128877) that are relatively prime to 20128877.
20128877 has 4 divisors, whose sum is 20429376
The reverse of 20128877 is 77882102
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million one hundred twenty-eight thousand eight hundred seventy-seven
Scientific notation
2.0128877 × 10^7
Engineering notation
2.0128877 × 10^6
Prime Factorization
67 × 300431
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20128877
Product of the distinct prime numbers
The prime factorization of 20128877 is 67 × 300431.
Since it has a total of 2 prime factors.
4 , 2 , 40 , 59 , 845 , 629 , 2760 , 3557 , 72882 , 73163 , 837516 , 830418 , 9828667 , 7162103 , 54055856 , 25718932 , 754422330 , 359917925 , 3781430096 , 2045686476
n×2
40257754
n×3
60386631
n×4
80515508
n×5
100644385
n÷2
10064438.5
n÷3
6709625.6666667
n÷3
5032219.25
n÷5
4025775.4
n2
405171689281129
n3
8.1556510974221E+21
n4
1.6416409779492E+29
n5
3.30443893233E+36
2 √n
4486.5217039484
3 √n
272.02355710765
4 √n
66.981502699987
5 √n
28.891088805384
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20128876
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20128877 can be divided by 4 positive divisors.
The sum of these divisors (counting 20128877) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110010010001101101
3
Ternary
1101212122121222
4
Quaternary
1030302101231
5
Quinary
20123111002
6
Senary
1555233125
8
Octal
114622155
10
Decimal
20128877
12
Duodecimal
68a87a5
16
Hexadecimal
133246d
20
Vigesimal
65g23h
36
Base36
bzfjh
md5
72b98da3734afee9c00328812d1a4238
sha1
e5274355ab3b7d42aeacf011b91de445c9a32cff
sha256
c6ad1c5a567341ff96be7a92f94f5c6ab41fd107bcf02ab0196fadafd41b26cc
sha512
953022390a1c946b14b863686d31e28e0f8f7909d9d8c8f1ee2476cc38a7b01744b629178a890fb99afddc34e5d293f368f4e2dec970dfbe5359e7841a785c88
ripemd-160
390e5125542a2468a2b6511c438f601e428bf2a0
Diameter
40257754
Circumference
126473464.21643
Area
1.2728844024882E+15
Volume
3.4162311430537E+22
Surface area
5.0915376099526E+15
Circumference
126473464.21643
Perimeter
80515508
Area
405171689281129
Diagonal
28466530.84874
Surface area
2431030135686774
Volume
8.1556510974221E+21
Space diagonal
34864237.663305
Perimeter
60386631
Area
1.7544448790586E+14
Altitude
17432118.831652
Surface area
1.7544448790586E+14
Volume
9.6115269932978E+20
Height
9488843.6162466