1211389639 is an odd 10-digits composite number following 1211389638
and preceding 1211389640 . In scientific notation, it is written as 1.211389639 × 10^9.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 1210805440 positive integers (up to 1211389639) that are relatively prime to 1211389639.
1211389639 has 4 divisors, whose sum is 1211973840
The reverse of 1211389639 is 9369831121
Previous prime number is 2081
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 43
Digital Root 7
Name
one billion two hundred eleven million three hundred eighty-nine thousand six hundred thirty-nine
Scientific notation
1.211389639 × 10^9
Engineering notation
1.211389639 × 10^9
Prime Factorization
2081 × 582119
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1211389639
Product of the distinct prime numbers
The prime factorization of 1211389639 is 2081 × 582119.
Since it has a total of 2 prime factors.
1 , 6 , 82 , 80 , 454 , 484 , 6777 , 2277 , 57488 , 9476 , 138876 , 293891 , 2206713 , 4634884 , 11705276 , 62538732 , 24358627 , 731646090 , 7207262603 , 910595870
n×2
2422779278
n×3
3634168917
n×4
4845558556
n×5
6056948195
n÷2
605694819.5
n÷3
403796546.33333
n÷3
302847409.75
n÷5
242277927.8
n2
1467464857476550321
n3
1.7776717239437E+27
n4
2.1534531079287E+36
n5
2.6086707830171E+45
2 √n
34805.023186316
3 √n
1066.0100152532
4 √n
186.5610441285
5 √n
65.56269103338
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
-1211389638
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 1211389639 can be divided by 4 positive divisors.
The sum of these divisors (counting 1211389639) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001000001101000101011011000111
3
Ternary
10010102102222011221
4
Quaternary
1020031011123013
5
Quinary
4440103432024
6
Senary
320112141211
8
Octal
11015053307
10
Decimal
1211389639
12
Duodecimal
299837807
16
Hexadecimal
483456c7
20
Vigesimal
iib3e1j
36
Base36
k18a87
md5
a24202673530347dde64a663a838a414
sha1
0f7b9d3aab88c44589f0804b38e587f07e116b05
sha256
f3fd2c4b1b90fa186954cadefb62e4628f91dc33fa25685dd1e54a8916ea66e7
sha512
291f4a52a4f8f2c980b552752691be69133806a0f43efa6799c330dc8ea9d416799d4806bbd03af4b30dd4108cb69ed17b20b3ecb2de59cfc1982fcee9c2ac23
ripemd-160
5ceb8093aa93b703ebbf2b1bed13b351f76127a7
Diameter
2422779278
Circumference
7611385581.0344
Area
4.6101768156495E+18
Volume
7.4462939045811E+27
Surface area
1.8440707262598E+19
Circumference
7611385581.0344
Perimeter
4845558556
Area
1467464857476550321
Diagonal
1713163656.792
Surface area
8804789144859301926
Volume
1.7776717239437E+27
Space diagonal
2098188402.5105
Perimeter
3634168917
Area
6.354309228678E+17
Altitude
1049094201.2553
Surface area
6.354309228678E+17
Volume
2.0950062178736E+26
Height
571054552.26402