201728821 is an odd 9-digits composite number following 201728820
and preceding 201728822 . In scientific notation, it is written as 2.01728821 × 10^8.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 170474640 positive integers (up to 201728821) that are relatively prime to 201728821.
201728821 has 8 divisors, whose sum is 233794944
The reverse of 201728821 is 128827102
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4
Name
two hundred one million seven hundred twenty-eight thousand eight hundred twenty-one
Scientific notation
2.01728821 × 10^8
Engineering notation
2.01728821 × 10^6
Prime Factorization
7 × 71 × 405893
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
201728821
Product of the distinct prime numbers
The prime factorization of 201728821 is 7 × 71 × 405893.
Since it has a total of 3 prime factors.
7 , 1 , 23 , 97 , 814 , 850 , 211 , 3018 , 12821 , 26871 , 338683 , 97380 , 7463334 , 2142042 , 63666711 , 31756862 , 306212581 , 394777585 , 6283236590 , 1242822144
n×2
403457642
n×3
605186463
n×4
806915284
n×5
1008644105
n÷2
100864410.5
n÷3
67242940.333333
n÷3
50432205.25
n÷5
40345764.2
n2
40694517222050041
n3
8.2092569803683E+24
n4
1.6560437319357E+33
n5
3.3407174956783E+41
2 √n
14203.127155665
3 √n
586.48375004368
4 √n
119.17687340951
5 √n
45.809293099018
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
-201728820
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 201728821 can be divided by 8 positive divisors.
The sum of these divisors (counting 201728821) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100000001100010001100110101
3
Ternary
112001120212220211
4
Quaternary
30001202030311
5
Quinary
403120310241
6
Senary
32003425421
8
Octal
1401421465
10
Decimal
201728821
12
Duodecimal
57685271
16
Hexadecimal
c062335
20
Vigesimal
330g211
36
Base36
3c3qyd
md5
a26d54612442b3e07e999af8ae762265
sha1
2605f9c3192e42f81ad1156595c86f12d85201e9
sha256
4b7aa79ddb85b8307ac47a3d0d6d97b762395c6129c5c758406024762372f676
sha512
589ff2a72ed7198c3eb3166eb346da8be5c7d7c4d235254aeace4573549e50f3fd9509b95f55e198ee147d95a274614082e369da70bfbc2f1eacb07fb47c8043
ripemd-160
78313ae1d6e6a9dd64e24a2b2fe5a7e86bd0b29c
Diameter
403457642
Circumference
1267499564.1419
Area
1.2784559634618E+17
Volume
3.4386855227941E+25
Surface area
5.113823853847E+17
Circumference
1267499564.1419
Perimeter
806915284
Area
40694517222050041
Diagonal
285287634.57973
Surface area
244167103332300246
Volume
8.2092569803683E+24
Space diagonal
349404567.32297
Perimeter
605186463
Area
1.7621242854519E+16
Altitude
174702283.66148
Surface area
1.7621242854519E+16
Volume
9.6747021322024E+23
Height
95095878.193245