201028721 is an odd 9-digits composite number following 201028720
and preceding 201028722 . In scientific notation, it is written as 2.01028721 × 10^8.
The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors.
There are 190099872 positive integers (up to 201028721) that are relatively prime to 201028721.
201028721 has 8 divisors, whose sum is 211996320
The reverse of 201028721 is 127820102
Previous prime number is 563
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 23
Digital Root 5
Name
two hundred one million twenty-eight thousand seven hundred twenty-one
Scientific notation
2.01028721 × 10^8
Engineering notation
2.01028721 × 10^6
Prime Factorization
19 × 563 × 18793
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
201028721
Product of the distinct prime numbers
The prime factorization of 201028721 is 19 × 563 × 18793.
Since it has a total of 3 prime factors.
2 , 6 , 44 , 62 , 623 , 809 , 6731 , 5505 , 391 , 40474 , 414764 , 728001 , 8258966 , 8424496 , 11558879 , 24151201 , 479451056 , 171551260 , 4219927735 , 4993355067
n×2
402057442
n×3
603086163
n×4
804114884
n×5
1005143605
n÷2
100514360.5
n÷3
67009573.666667
n÷3
50257180.25
n÷5
40205744.2
n2
40412546666895841
n3
8.1240825687989E+24
n4
1.633173928104E+33
n5
3.283148659373E+41
2 √n
14178.459754148
3 √n
585.80449958259
4 √n
119.07333771314
5 √n
45.777452631244
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
-201028720
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 201028721 can be divided by 8 positive divisors.
The sum of these divisors (counting 201028721) is 1, the average is 0.125.
Base
System
Value
2
Binary
1011111110110111010001110001
3
Ternary
112000021022120012
4
Quaternary
23332313101301
5
Quinary
402430404341
6
Senary
31540424305
8
Octal
1376672161
10
Decimal
201028721
12
Duodecimal
573a8095
16
Hexadecimal
bfb7471
20
Vigesimal
32g8bg1
36
Base36
3boqr5
md5
5aaf9eb07a7c4ad4a1b4f5b3bfae0352
sha1
51052994706d63f717aeb90e817f2bad3dd8ce70
sha256
2ed755b0631096c1fc6536f18f3ea529a7a7a36e393738bf268cf891d2e289f6
sha512
ebca9f98ac76c45cdeff4c92d06048decc06647c4114117438b30fafa8dc016aaec2d454973316edc27ec88f90325ac91d138911b87fb151ff25efc7fefd3728
ripemd-160
1bab6678b95de5f9fecbaea17c695abe37869189
Diameter
402057442
Circumference
1263100706.1083
Area
1.2695975972157E+17
Volume
3.4030077487061E+25
Surface area
5.078390388863E+17
Circumference
1263100706.1083
Perimeter
804114884
Area
40412546666895841
Diagonal
284297543.66472
Surface area
242475280001375046
Volume
8.1240825687989E+24
Space diagonal
348191958.55259
Perimeter
603086163
Area
1.7499146022578E+16
Altitude
174095979.27629
Surface area
1.7499146022578E+16
Volume
9.5743231255285E+23
Height
94765847.888239