205087121 is an odd 9-digits composite number following 205087120
and preceding 205087122 . In scientific notation, it is written as 2.05087121 × 10^8.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 191555280 positive integers (up to 205087121) that are relatively prime to 205087121.
205087121 has 8 divisors, whose sum is 218923200
The reverse of 205087121 is 121780502
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 26
Digital Root 8
Name
two hundred five million eighty-seven thousand one hundred twenty-one
Scientific notation
2.05087121 × 10^8
Engineering notation
2.05087121 × 10^6
Prime Factorization
71 × 19 × 152029
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
205087121
Product of the distinct prime numbers
The prime factorization of 205087121 is 71 × 19 × 152029.
Since it has a total of 3 prime factors.
10 , 1 , 65 , 70 , 458 , 94 , 6961 , 4342 , 4190 , 37043 , 45923 , 536491 , 3446561 , 6855960 , 34475219 , 62499869 , 886306590 , 186361411 , 275814627 , 2786526826
n×2
410174242
n×3
615261363
n×4
820348484
n×5
1025435605
n÷2
102543560.5
n÷3
68362373.666667
n÷3
51271780.25
n÷5
41017424.2
n2
42060727200068641
n3
8.6261134486285E+24
n4
1.7691047725986E+33
n5
3.6282060455961E+41
2 √n
14320.863137395
3 √n
589.72037021984
4 √n
119.66980879652
5 √n
45.960810396009
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
-205087120
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 205087121 can be divided by 8 positive divisors.
The sum of these divisors (counting 205087121) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100001110010110000110010001
3
Ternary
112021220111122022
4
Quaternary
30032112012101
5
Quinary
410000241441
6
Senary
32203421225
8
Octal
1416260621
10
Decimal
205087121
12
Duodecimal
58824815
16
Hexadecimal
c396191
20
Vigesimal
341fhg1
36
Base36
3e3q8h
md5
2db983d0e5e0b8c7e70c6b645e36214a
sha1
176e5f4930e84e443a687bc5825443817d4c4f2d
sha256
d9d85dcbcec091929625b018038e269a3c9b40731cc10b03c90e18373729f52d
sha512
9daf8ca5b99f5b2e400b77cc6fdca557cad3b776196472cb3af79999dd8a3bb476eaa5fac0b1bbfe09688d4015769938d521186d5c21ee4c302dca336716aafb
ripemd-160
dc16c5c8a49685dadd9b87696cc1e28321225aa8
Diameter
410174242
Circumference
1288600385.359
Area
1.3213767157638E+17
Volume
3.6132979518991E+25
Surface area
5.2855068630552E+17
Circumference
1288600385.359
Perimeter
820348484
Area
42060727200068641
Diagonal
290036987.98625
Surface area
252364363200411846
Volume
8.6261134486285E+24
Space diagonal
355221313.55003
Perimeter
615261363
Area
1.8212829128453E+16
Altitude
177610656.77501
Surface area
1.8212829128453E+16
Volume
1.0165972191349E+24
Height
96678995.995417