201728721 is an odd 9-digits composite number following 201728720
and preceding 201728722 . In scientific notation, it is written as 2.01728721 × 10^8.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 134359920 positive integers (up to 201728721) that are relatively prime to 201728721.
201728721 has 8 divisors, whose sum is 269223424
The reverse of 201728721 is 127827102
Previous prime number is 1087
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 30
Digital Root 3
Name
two hundred one million seven hundred twenty-eight thousand seven hundred twenty-one
Scientific notation
2.01728721 × 10^8
Engineering notation
2.01728721 × 10^6
Prime Factorization
3 × 1087 × 61861
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
201728721
Product of the distinct prime numbers
The prime factorization of 201728721 is 3 × 1087 × 61861.
Since it has a total of 3 prime factors.
4 , 8 , 31 , 35 , 268 , 644 , 7310 , 1325 , 60643 , 25058 , 328602 , 305757 , 5971328 , 3834380 , 79438909 , 39889917 , 806824817 , 260671242 , 1108247796 , 6379677546
n×2
403457442
n×3
605186163
n×4
806914884
n×5
1008643605
n÷2
100864360.5
n÷3
67242907
n÷3
50432180.25
n÷5
40345744.2
n2
40694476876295841
n3
8.2092447720192E+24
n4
1.6560404482354E+33
n5
3.3407092154679E+41
2 √n
14203.123635313
3 √n
586.48365313407
4 √n
119.17685864006
5 √n
45.809288557347
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
-201728720
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 201728721 can be divided by 8 positive divisors.
The sum of these divisors (counting 201728721) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100000001100010001011010001
3
Ternary
112001120212210010
4
Quaternary
30001202023101
5
Quinary
403120304341
6
Senary
32003425133
8
Octal
1401421321
10
Decimal
201728721
12
Duodecimal
576851a9
16
Hexadecimal
c0622d1
20
Vigesimal
330g1g1
36
Base36
3c3qvl
md5
a13f0044930690789e5d8e171bbee0ed
sha1
e35603b10437f315cafae26bae2b20a131f3409f
sha256
baed9fa0be1bc4118517c18b35a028b4aa09c123ad809b8e0810f92ab5ea6804
sha512
ccdec41cc40cee238591a275158b08428620d84be9e67c589837a2bda6972a364477ba55cb1b02a835743cefbc8fca9afb6e1bc2d0c2c13bdb19c5c2ca56072c
ripemd-160
9f298e03195ee4ca4f85d5b9afe49de6e671fed6
Diameter
403457442
Circumference
1267498935.8233
Area
1.2784546959625E+17
Volume
3.4386804089728E+25
Surface area
5.11381878385E+17
Circumference
1267498935.8233
Perimeter
806914884
Area
40694476876295841
Diagonal
285287493.15838
Surface area
244166861257775046
Volume
8.2092447720192E+24
Space diagonal
349404394.11789
Perimeter
605186163
Area
1.7621225384295E+16
Altitude
174702197.05894
Surface area
1.7621225384295E+16
Volume
9.674687744525E+23
Height
95095831.052793