201661389 is an odd 9-digits composite number following 201661388
and preceding 201661390 . In scientific notation, it is written as 2.01661389 × 10^8.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 129804864 positive integers (up to 201661389) that are relatively prime to 201661389.
201661389 has 8 divisors, whose sum is 231795000
The reverse of 201661389 is 983166102
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
two hundred one million six hundred sixty-one thousand three hundred eighty-nine
Scientific notation
2.01661389 × 10^8
Engineering notation
2.01661389 × 10^6
Prime Factorization
9 × 29 × 772649
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
201661389
Product of the distinct prime numbers
The prime factorization of 201661389 is 9 × 29 × 772649.
Since it has a total of 3 prime factors.
1 , 7 , 59 , 48 , 460 , 384 , 5350 , 8062 , 5851 , 28470 , 828313 , 309247 , 2149786 , 223678 , 5606574 , 17568178 , 450370345 , 626535005 , 3633062746 , 3783145253
n×2
403322778
n×3
604984167
n×4
806645556
n×5
1008306945
n÷2
100830694.5
n÷3
67220463
n÷3
50415347.25
n÷5
40332277.8
n2
40667315813409321
n3
8.2010273938338E+24
n4
1.6538305754676E+33
n5
3.3351377101946E+41
2 √n
14200.753113832
3 √n
586.41839468294
4 √n
119.16691283167
5 √n
45.806230150109
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
-201661388
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 201661389 can be divided by 8 positive divisors.
The sum of these divisors (counting 201661389) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100000001010001101111001101
3
Ternary
112001110110102100
4
Quaternary
30001101233031
5
Quinary
403111131024
6
Senary
32002145313
8
Octal
1401215715
10
Decimal
201661389
12
Duodecimal
57652239
16
Hexadecimal
c051bcd
20
Vigesimal
3307d99
36
Base36
3c2ax9
md5
026f489c69bd9acf62fecb374f1014e1
sha1
f78b8256202edbce94cbabc8f5317c11bedf513c
sha256
957ab08eadcb12a153728995a611884a9e1057b57face5418043b983f421503c
sha512
36d487bb3bdbd54d4066ec5b2948597aa0f7807d8280a5c29fe586d898bbc2231c4e64812a2ca296effacdc74562869bbedaaa83a919555880f9c960e10e1642
ripemd-160
c483bb8e98ab0422ccc6612803656d833c200024
Diameter
403322778
Circumference
1267075876.3902
Area
1.2776014060062E+17
Volume
3.4352383216476E+25
Surface area
5.1104056240249E+17
Circumference
1267075876.3902
Perimeter
806645556
Area
40667315813409321
Diagonal
285192271.3308
Surface area
244003894880455926
Volume
8.2010273938338E+24
Space diagonal
349287771.67291
Perimeter
604984167
Area
1.7609464299069E+16
Altitude
174643885.83646
Surface area
1.7609464299069E+16
Volume
9.6650034714609E+23
Height
95064090.443599