20128977 is an odd 8-digits composite number following 20128976
and preceding 20128978 . In scientific notation, it is written as 2.0128977 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 12199320 positive integers (up to 20128977) that are relatively prime to 20128977.
20128977 has 12 divisors, whose sum is 31718544
The reverse of 20128977 is 77982102
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million one hundred twenty-eight thousand nine hundred seventy-seven
Scientific notation
2.0128977 × 10^7
Engineering notation
2.0128977 × 10^6
Prime Factorization
3 × 3 × 11 × 203323
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6709659
Product of the distinct prime numbers
The prime factorization of 20128977 is 3 × 3 × 11 × 203323.
Since it has a total of 4 prime factors.
1 , 8 , 17 , 52 , 639 , 560 , 9463 , 2044 , 65976 , 38268 , 801739 , 492262 , 1791409 , 318609 , 97672291 , 31773699 , 86731824 , 487441922 , 5461500482 , 5063791047
n×2
40257954
n×3
60386931
n×4
80515908
n×5
100644885
n÷2
10064488.5
n÷3
6709659
n÷3
5032244.25
n÷5
4025795.4
n2
405175715066529
n3
8.1557726495327E+21
n4
1.6416736007967E+29
n5
3.3045210151945E+36
2 √n
4486.5328484254
3 √n
272.02400757674
4 √n
66.981585890642
5 √n
28.891117511437
1 , 3 , 9 , 11 , 33 , 99 , 203323 , 609969 , 1829907 , 2236553 , 6709659 , 20128977
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20128976
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20128977 can be divided by 12 positive divisors.
The sum of these divisors (counting 20128977) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100110010010011010001
3
Ternary
1101212122202200
4
Quaternary
1030302103101
5
Quinary
20123111402
6
Senary
1555233413
8
Octal
114622321
10
Decimal
20128977
12
Duodecimal
68a8869
16
Hexadecimal
13324d1
20
Vigesimal
65g28h
36
Base36
bzfm9
md5
f62ab5994229f8423d73b306a2c6bf62
sha1
4d7a6a30d97725f1a729d20e09bd37685c381881
sha256
cf8b58c5611fdf1d9fc7e697dc6cb06655cf3364905c5694c3d1eff8eca3b9ea
sha512
5d245fcf63cef0b14354555e011d255c5fa313118961646abd6735cdd324644d735ae8dee68cb1e1380a9dda649e2111e9fb40b5496a46d397102e073f70c3b5
ripemd-160
aa95b942db165a3238371b2c9c1591417f3fdea9
Diameter
40257954
Circumference
126474092.53496
Area
1.272897049866E+15
Volume
3.4162820586827E+22
Surface area
5.091588199464E+15
Circumference
126474092.53496
Perimeter
80515908
Area
405175715066529
Diagonal
28466672.270096
Surface area
2431054290399174
Volume
8.1557726495327E+21
Space diagonal
34864410.868385
Perimeter
60386931
Area
1.7544623112207E+14
Altitude
17432205.434193
Surface area
1.7544623112207E+14
Volume
9.6116702438339E+20
Height
9488890.7566987