2005121661 is an odd 10-digits composite number following 2005121660
and preceding 2005121662 . In scientific notation, it is written as 2.005121661 × 10^9.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 1166512896 positive integers (up to 2005121661) that are relatively prime to 2005121661.
2005121661 has 16 divisors, whose sum is 2738893824
The reverse of 2005121661 is 1661215002
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 24
Digital Root 6
Name
two billion five million one hundred twenty-one thousand six hundred sixty-one
Scientific notation
2.005121661 × 10^9
Engineering notation
2.005121661 × 10^9
Prime Factorization
3 × 323 × 47 × 44027
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2005121661
Product of the distinct prime numbers
The prime factorization of 2005121661 is 3 × 323 × 47 × 44027.
Since it has a total of 4 prime factors.
9 , 8 , 86 , 27 , 998 , 107 , 6205 , 2903 , 33496 , 30767 , 309642 , 737278 , 4022958 , 820003 , 80266814 , 39789007 , 130339447 , 427809065 , 1833389720 , 9365115321
n×2
4010243322
n×3
6015364983
n×4
8020486644
n×5
10025608305
n÷2
1002560830.5
n÷3
668373887
n÷3
501280415.25
n÷5
401024332.2
n2
4020512875411398921
n3
8.0616174548168E+27
n4
1.6164523781349E+37
n5
3.2411836773732E+46
2 √n
44778.584848117
3 √n
1260.9956145742
4 √n
211.60951029695
5 √n
72.515049159472
1 , 3 , 47 , 141 , 323 , 969 , 15181 , 44027 , 45543 , 132081 , 2069269 , 6207807 , 14220721 , 42662163 , 668373887 , 2005121661
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
-2005121660
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 2005121661 can be divided by 16 positive divisors.
The sum of these divisors (counting 2005121661) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110111100000111011101001111101
3
Ternary
12011201222201211020
4
Quaternary
1313200323221331
5
Quinary
13101302343121
6
Senary
530544414353
8
Octal
16740735175
10
Decimal
2005121661
12
Duodecimal
47b6173b9
16
Hexadecimal
7783ba7d
20
Vigesimal
1b6c0431
36
Base36
x5sprx
md5
d94fb8db80abd9a965fa5eeaeb9adb9b
sha1
cc9f19b184a19094f9ce0bcc9b2e8bf4304014dc
sha256
b0cebd617c0f21f2e68df6be1dec2b1b9fe5b1d6217102e3db06ad8e99894d1c
sha512
846726ef952dd75847036207633498d79d1402231aea51a0038a486e8b1e090f62007efa61772cde106be96f02f4281ed68528143faee1decb5cdb560ec27803
ripemd-160
93fefb19da4ee43a0ce16d6b672b50cb34d0f35f
Diameter
4010243322
Circumference
12598550959.503
Area
1.2630813713056E+19
Volume
3.3768424229472E+28
Surface area
5.0523254852223E+19
Circumference
12598550959.503
Perimeter
8020486644
Area
4020512875411398921
Diagonal
2835670247.1943
Surface area
2.4123077252468E+19
Volume
8.0616174548168E+27
Space diagonal
3472972592.2089
Perimeter
6015364983
Area
1.7409331431743E+18
Altitude
1736486296.1044
Surface area
1.7409331431743E+18
Volume
9.5007072827213E+26
Height
945223415.73142