205121849 is an odd 9-digits composite number following 205121848
and preceding 205121850 . In scientific notation, it is written as 2.05121849 × 10^8.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 204986340 positive integers (up to 205121849) that are relatively prime to 205121849.
205121849 has 4 divisors, whose sum is 205257360
The reverse of 205121849 is 948121502
Previous prime number is 1531
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
two hundred five million one hundred twenty-one thousand eight hundred forty-nine
Scientific notation
2.05121849 × 10^8
Engineering notation
2.05121849 × 10^6
Prime Factorization
1531 × 133979
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
205121849
Product of the distinct prime numbers
The prime factorization of 205121849 is 1531 × 133979.
Since it has a total of 2 prime factors.
7 , 2 , 67 , 7 , 577 , 300 , 9368 , 4163 , 39868 , 85511 , 651404 , 180650 , 4028703 , 924651 , 83469771 , 93787979 , 237045096 , 41828284 , 6398950475 , 7279776136
n×2
410243698
n×3
615365547
n×4
820487396
n×5
1025609245
n÷2
102560924.5
n÷3
68373949.666667
n÷3
51280462.25
n÷5
41024369.8
n2
42074972937178801
n3
8.6304962454991E+24
n4
1.7703033476643E+33
n5
3.631278959638E+41
2 √n
14322.07558282
3 √n
589.75365469761
4 √n
119.67487448424
5 √n
45.962366826189
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-205121848
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 205121849 can be divided by 4 positive divisors.
The sum of these divisors (counting 205121849) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100001110011110100100111001
3
Ternary
112021222021021112
4
Quaternary
30032132210321
5
Quinary
410002344344
6
Senary
32204250105
8
Octal
1416364471
10
Decimal
205121849
12
Duodecimal
58840935
16
Hexadecimal
c39e939
20
Vigesimal
34204c9
36
Base36
3e4h15
md5
cf3f0802ef7456390ecb203a1b591bba
sha1
298fe5899c6f24661246f73d7dc348e0c3caf643
sha256
6b7797b1454504be25bed0b88f813fab8764bad8ec7841bc3a731c03ae899b79
sha512
78b63e90d7063b6e20dca7053765eb8d2b4c99ef3e55a413cfea81843237c78565ed74bc9485244f71892df788930b0c9d13e4998c6fca4f35111ee8f35acb6b
ripemd-160
c4e846ddbaddf666233e8555b24998d307cc323b
Diameter
410243698
Circumference
1288818587.8183
Area
1.3218242587943E+17
Volume
3.6151338135592E+25
Surface area
5.2872970351772E+17
Circumference
1288818587.8183
Perimeter
820487396
Area
42074972937178801
Diagonal
290086100.79485
Surface area
252449837623072806
Volume
8.6304962454991E+24
Space diagonal
355281464.21047
Perimeter
615365547
Area
1.821899771357E+16
Altitude
177640732.10524
Surface area
1.821899771357E+16
Volume
1.0171137366996E+24
Height
96695366.931615