201561021 is an odd 9-digits composite number following 201561020
and preceding 201561022 . In scientific notation, it is written as 2.01561021 × 10^8.
The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors.
There are 134089344 positive integers (up to 201561021) that are relatively prime to 201561021.
201561021 has 16 divisors, whose sum is 299241600
The reverse of 201561021 is 120165102
Previous prime number is 487
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 18
Digital Root 9
Name
two hundred one million five hundred sixty-one thousand twenty-one
Scientific notation
2.01561021 × 10^8
Engineering notation
2.01561021 × 10^6
Prime Factorization
3 × 9 × 487 × 15329
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
201561021
Product of the distinct prime numbers
The prime factorization of 201561021 is 3 × 9 × 487 × 15329.
Since it has a total of 4 prime factors.
3 , 7 , 80 , 99 , 304 , 228 , 9173 , 966 , 33815 , 18215 , 413215 , 917296 , 1327227 , 8192871 , 89568122 , 40405992 , 490981161 , 983328177 , 1488642258 , 9469373905
n×2
403122042
n×3
604683063
n×4
806244084
n×5
1007805105
n÷2
100780510.5
n÷3
67187007
n÷3
50390255.25
n÷5
40312204.2
n2
40626845186562441
n3
8.1887883958125E+24
n4
1.6505405498129E+33
n5
3.3268463842219E+41
2 √n
14197.21877693
3 √n
586.32109063444
4 √n
119.15208255389
5 √n
45.801669638768
1 , 3 , 9 , 27 , 487 , 1461 , 4383 , 13149 , 15329 , 45987 , 137961 , 413883 , 7465223 , 22395669 , 67187007 , 201561021
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-201561020
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 201561021 can be divided by 16 positive divisors.
The sum of these divisors (counting 201561021) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100000000111001001110111101
3
Ternary
112001021100202000
4
Quaternary
30000321032331
5
Quinary
403044423041
6
Senary
32000052513
8
Octal
1400711675
10
Decimal
201561021
12
Duodecimal
57604139
16
Hexadecimal
c0393bd
20
Vigesimal
32jf2b1
36
Base36
3c05h9
md5
a3cdcf24118128892658d403a72efd7c
sha1
9e5e8b32feb005b36017eb5686777dbbe4dc776e
sha256
ca7340da2c0e0dba5989cd2a11ae57975998704d62c0bef5e168dedeee09f578
sha512
5de2c5a0c4a6d2c480bdf363b02e22a41c443605735ca5ba9f813f24120d6979eaf78f0611a2199c5ca16254fedeb02b93fed92b13d14d907fcbf8e2368bbb5d
ripemd-160
bc3d25f50d985ddd2f07885be6ee859c4da50ea8
Diameter
403122042
Circumference
1266445245.6473
Area
1.2763299837663E+17
Volume
3.4301116621448E+25
Surface area
5.1053199350654E+17
Circumference
1266445245.6473
Perimeter
806244084
Area
40626845186562441
Diagonal
285050329.54397
Surface area
243761071119374646
Volume
8.1887883958125E+24
Space diagonal
349113929.19746
Perimeter
604683063
Area
1.759194000359E+16
Altitude
174556964.59873
Surface area
1.759194000359E+16
Volume
9.6505796739678E+23
Height
95016776.514656