1291206245 is an odd 10-digits composite number following 1291206244
and preceding 1291206246 . In scientific notation, it is written as 1.291206245 × 10^9.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 872182080 positive integers (up to 1291206245) that are relatively prime to 1291206245.
1291206245 has 16 divisors, whose sum is 1797230208
The reverse of 1291206245 is 5426021921
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 32
Digital Root 5
Name
one billion two hundred ninety-one million two hundred six thousand two hundred forty-five
Scientific notation
1.291206245 × 10^9
Engineering notation
1.291206245 × 10^9
Prime Factorization
5 × 67 × 7 × 550621
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1291206245
Product of the distinct prime numbers
The prime factorization of 1291206245 is 5 × 67 × 7 × 550621.
Since it has a total of 4 prime factors.
1 , 3 , 3 , 87 , 346 , 161 , 2012 , 8900 , 39147 , 43848 , 938074 , 731180 , 4340638 , 4763770 , 65405202 , 64513677 , 474715635 , 471680661 , 8946699363 , 4408735184
n×2
2582412490
n×3
3873618735
n×4
5164824980
n×5
6456031225
n÷2
645603122.5
n÷3
430402081.66667
n÷3
322801561.25
n÷5
258241249
n2
1667213567127000025
n3
2.1527165696231E+27
n4
2.7796010784123E+36
n5
3.5890382710547E+45
2 √n
35933.358387437
3 √n
1088.9264308269
4 √n
189.56096219274
5 √n
66.404746569697
1 , 5 , 7 , 35 , 67 , 335 , 469 , 2345 , 550621 , 2753105 , 3854347 , 19271735 , 36891607 , 184458035 , 258241249 , 1291206245
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
-1291206244
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 1291206245 can be divided by 16 positive divisors.
The sum of these divisors (counting 1291206245) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111101100011111001100101
3
Ternary
10022222122001222112
4
Quaternary
1030331203321211
5
Quinary
10121022044440
6
Senary
332043010405
8
Octal
11475437145
10
Decimal
1291206245
12
Duodecimal
300509a05
16
Hexadecimal
4cf63e65
20
Vigesimal
103a0fc5
36
Base36
lcr145
md5
3a6382807f6962bd633c4a73c387f649
sha1
e22dfd9c64e47625b0af8271b50625a12c0d3dc8
sha256
285d3381fc2de01f40ea117cace6177a5a50eed6d962085de29fa7ba3d1d6496
sha512
6858a999699e9724fc5f38cefb40964879f193b9784e098cfa69bd6bc9ce3f042a77693ac0c90f3970f5bd141125105a2e92cfac94a7c061e647f0f5a920f218
ripemd-160
7ca4233e5d02baef5e216761367205f74c475d7c
Diameter
2582412490
Circumference
8112888107.1225
Area
5.2377058944514E+18
Volume
9.0172780805186E+27
Surface area
2.0950823577806E+19
Circumference
8112888107.1225
Perimeter
5164824980
Area
1667213567127000025
Diagonal
1826041383.4998
Surface area
1.0003281402762E+19
Volume
2.1527165696231E+27
Space diagonal
2236434819.3902
Perimeter
3873618735
Area
7.2192465133303E+17
Altitude
1118217409.6951
Surface area
7.2192465133303E+17
Volume
2.5370008072552E+26
Height
608680461.16661