1290339987 is an odd 10-digits composite number following 1290339986
and preceding 1290339988 . In scientific notation, it is written as 1.290339987 × 10^9.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 839245440 positive integers (up to 1290339987) that are relatively prime to 1290339987.
1290339987 has 8 divisors, whose sum is 1762415760
The reverse of 1290339987 is 7899330921
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 51
Digital Root 6
Name
one billion two hundred ninety million three hundred thirty-nine thousand nine hundred eighty-seven
Scientific notation
1.290339987 × 10^9
Engineering notation
1.290339987 × 10^9
Prime Factorization
3 × 41 × 10490569
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1290339987
Product of the distinct prime numbers
The prime factorization of 1290339987 is 3 × 41 × 10490569.
Since it has a total of 3 prime factors.
1 , 7 , 100 , 60 , 896 , 211 , 4437 , 8496 , 5937 , 20449 , 746229 , 853981 , 4122525 , 7585449 , 76800164 , 15680222 , 344290515 , 595058951 , 5013486888 , 3235090733
n×2
2580679974
n×3
3871019961
n×4
5161359948
n×5
6451699935
n÷2
645169993.5
n÷3
430113329
n÷3
322584996.75
n÷5
258067997.4
n2
1664977282051160169
n3
2.1483867644772E+27
n4
2.7721493497465E+36
n5
3.5770151559139E+45
2 √n
35921.302690743
3 √n
1088.6828595506
4 √n
189.52916052878
5 √n
66.395834114971
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
-1290339986
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 1290339987 can be divided by 8 positive divisors.
The sum of these divisors (counting 1290339987) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100111010010000011010010011
3
Ternary
10022221000001200220
4
Quaternary
1030322100122103
5
Quinary
10120311334422
6
Senary
332012244123
8
Octal
11472203223
10
Decimal
1290339987
12
Duodecimal
300170643
16
Hexadecimal
4ce90693
20
Vigesimal
1034c9j7
36
Base36
lc8gpf
md5
18d79869a9645d03d98ad6c56c14e693
sha1
3aad31fef8ddb150180987ff26ca010bc58b54f8
sha256
882611937c049808cb6f739c54ca10efa4646df17598b2dce9c5656a77c7d283
sha512
a46af9c9bdb98398d761a5ff045feaaac11dd91a7cdfc954b3cfe594e1326c9e3cfc73e342d5d8fcf862baadc4b5b0423dca24a613ee64a51f9ba7ca5ddb0002
ripemd-160
577a137181de14ede4947181ddb502414619b355
Diameter
2580679974
Circumference
8107445247.5847
Area
5.2306803976858E+18
Volume
8.9991414351348E+27
Surface area
2.0922721590743E+19
Circumference
8107445247.5847
Perimeter
5161359948
Area
1664977282051160169
Diagonal
1824816309.6877
Surface area
9.989863692307E+18
Volume
2.1483867644772E+27
Space diagonal
2234934416.5218
Perimeter
3871019961
Area
7.2095631149014E+17
Altitude
1117467208.2609
Surface area
7.2095631149014E+17
Volume
2.5318980829554E+26
Height
608272103.22924