2005102987 is an odd 10-digits composite number following 2005102986
and preceding 2005102988 . In scientific notation, it is written as 2.005102987 × 10^9.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 2002984720 positive integers (up to 2005102987) that are relatively prime to 2005102987.
2005102987 has 4 divisors, whose sum is 2007221256
The reverse of 2005102987 is 7892015002
Previous prime number is 947
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 34
Digital Root 7
Name
two billion five million one hundred two thousand nine hundred eighty-seven
Scientific notation
2.005102987 × 10^9
Engineering notation
2.005102987 × 10^9
Prime Factorization
947 × 2117321
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
2005102987
Product of the distinct prime numbers
The prime factorization of 2005102987 is 947 × 2117321.
Since it has a total of 2 prime factors.
4 , 2 , 75 , 42 , 273 , 321 , 8738 , 5804 , 41222 , 89175 , 584624 , 173329 , 1257849 , 5112694 , 85556685 , 52099009 , 546612391 , 985930294 , 4556769047 , 2185226399
n×2
4010205974
n×3
6015308961
n×4
8020411948
n×5
10025514935
n÷2
1002551493.5
n÷3
668367662.33333
n÷3
501275746.75
n÷5
401020597.4
n2
4020437988476322169
n3
8.0613922197421E+27
n4
1.6163921619184E+37
n5
3.2410327520259E+46
2 √n
44778.376332779
3 √n
1260.9916999481
4 √n
211.60901760742
5 √n
72.514914090254
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
-2005102986
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 2005102987 can be divided by 4 positive divisors.
The sum of these divisors (counting 2005102987) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110111100000110111000110001011
3
Ternary
12011201221210012121
4
Quaternary
1313200313012023
5
Quinary
13101301243422
6
Senary
530544152111
8
Octal
16740670613
10
Decimal
2005102987
12
Duodecimal
47b608637
16
Hexadecimal
7783718b
20
Vigesimal
1b6bhh97
36
Base36
x5sbd7
md5
83fa20ceb491a65f5fb8b8dd7ebebd1a
sha1
8c49dc4c8b02d10e175712bd369fefde9d111bf5
sha256
650b85bc867059e8910382b9386ab1e9a5e7eeb17489b174fed4668434649679
sha512
e98d9625d965778e7935443862e3d7069840e7d8af794054329c6c25bd3846da37ce3af4943a287c881f088e161e8273f0f292741a1c5dcf70702068ee3b26a5
ripemd-160
4f40101d3b91aebe723022b6c71c54af171e4a74
Diameter
4010205974
Circumference
12598433627.3
Area
1.2630578448811E+19
Volume
3.3767480766997E+28
Surface area
5.0522313795242E+19
Circumference
12598433627.3
Perimeter
8020411948
Area
4020437988476322169
Diagonal
2835643838.1702
Surface area
2.4122627930858E+19
Volume
8.0613922197421E+27
Space diagonal
3472940247.8921
Perimeter
6015308961
Area
1.7409007161803E+18
Altitude
1736470123.9461
Surface area
1.7409007161803E+18
Volume
9.5004418406402E+26
Height
945214612.7234