201644661 is an odd 9-digits composite number following 201644660
and preceding 201644662 . In scientific notation, it is written as 2.01644661 × 10^8.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 133991280 positive integers (up to 201644661) that are relatively prime to 201644661.
201644661 has 8 divisors, whose sum is 269736544
The reverse of 201644661 is 166446102
Previous prime number is 307
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 30
Digital Root 3
Name
two hundred one million six hundred forty-four thousand six hundred sixty-one
Scientific notation
2.01644661 × 10^8
Engineering notation
2.01644661 × 10^6
Prime Factorization
3 × 307 × 218941
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
201644661
Product of the distinct prime numbers
The prime factorization of 201644661 is 3 × 307 × 218941.
Since it has a total of 3 prime factors.
6 , 2 , 76 , 94 , 320 , 771 , 4810 , 307 , 17573 , 26656 , 727745 , 860599 , 5931040 , 6578398 , 57171515 , 76668544 , 745846778 , 912688252 , 678129831 , 4678674012
n×2
403289322
n×3
604933983
n×4
806578644
n×5
1008223305
n÷2
100822330.5
n÷3
67214887
n÷3
50411165.25
n÷5
40328932.2
n2
40660569309804921
n3
8.1989867145426E+24
n4
1.6532818965974E+33
n5
3.3337546757683E+41
2 √n
14200.16411877
3 √n
586.40217958395
4 √n
119.1644415032
5 √n
45.805470191004
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
-201644660
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 201644661 can be divided by 8 positive divisors.
The sum of these divisors (counting 201644661) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100000001001101101001110101
3
Ternary
112001102121110210
4
Quaternary
30001031221311
5
Quinary
403110112121
6
Senary
32001540033
8
Octal
1401155165
10
Decimal
201644661
12
Duodecimal
57644619
16
Hexadecimal
c04da75
20
Vigesimal
3305bd1
36
Base36
3c1y0l
md5
e3f0b2de8adda740851626d510686623
sha1
193612da9881bdd69132155041b16163a3bd9d59
sha256
2666ef53bb04c1ead1108b09bfa4db57c17d0dc3223b4793ddeed05b4255604b
sha512
09f74244ba5e5d80e64838da5b7480ed90876de0338eee20a0dc42a00e34cc366861b0009ace5dd6289451518829f4ad5aa05d9f0563fda205c346eeefdd90a3
ripemd-160
76bdf1261c8dad0b7f5e99c1fedd4f3799d044bd
Diameter
403289322
Circumference
1266970771.2664
Area
1.2773894583446E+17
Volume
3.434383523905E+25
Surface area
5.1095578333785E+17
Circumference
1266970771.2664
Perimeter
806578644
Area
40660569309804921
Diagonal
285168614.36633
Surface area
243963415858829526
Volume
8.1989867145426E+24
Space diagonal
349258797.927
Perimeter
604933983
Area
1.7606542977314E+16
Altitude
174629398.9635
Surface area
1.7606542977314E+16
Volume
9.6625985078525E+23
Height
95056204.788775