1309216491 is an odd 10-digits composite number following 1309216490
and preceding 1309216492 . In scientific notation, it is written as 1.309216491 × 10^9.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 793463880 positive integers (up to 1309216491) that are relatively prime to 1309216491.
1309216491 has 12 divisors, whose sum is 1906720920
The reverse of 1309216491 is 1946129031
Previous prime number is 121
Is Prime? no Number parity odd Number length 10 Sum of Digits 36 Digital Root 9
Name
one billion three hundred nine million two hundred sixteen thousand four hundred ninety-one
Scientific notation
1.309216491 × 10^9
Engineering notation
1.309216491 × 10^9
Prime Factorization
3 × 3 × 121 × 1202219
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
436405497 Product of the distinct prime numbers
The prime factorization of 1309216491 is 3 × 3 × 121 × 1202219.
Since it has a total of 4 prime factors.
9 , 8 , 46 , 20 , 868 , 407 , 2358 , 9249 , 93461 , 84853 , 124746 , 664467 , 2486325 , 6331122 , 6186243 , 62075294 , 640529585 , 521299517 , 6406794930 , 3391906144
n×2
2618432982
n×3
3927649473
n×4
5236865964
n×5
6546082455
n÷2
654608245.5
n÷3
436405497
n÷3
327304122.75
n÷5
261843298.2
n2
1714047820306353081
n3
2.2440596727077E+27
n4
2.937959930297E+36
n5
3.846425590642E+45
2 √n36183.096758017
3 √n1093.9659945626
4 √n190.218549984
5 √n66.588969409745
1 , 3 , 9 , 121 , 363 , 1089 , 1202219 , 3606657 , 10819971 , 145468499 , 436405497 , 1309216491
12 divisors
τ Total Divisors
12 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1309216490 Sum of the proper positive divisors of n
A Arithmetic Mean
0.083333333333333 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
12 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1309216491 can be divided by 12 positive divisors.
The sum of these divisors (counting 1309216491) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001110000010010000111011101011
3
Ternary
10101020112002101200
4
Quaternary
1032002100323223
5
Quinary
10140124411431
6
Senary
333525015243
8
Octal
11602207353
10
Decimal
1309216491
12
Duodecimal
306554523
16
Hexadecimal
4e090eeb
20
Vigesimal
1092c14b
36
Base36
lnh1wr
md5
91826ee52e364cffa37d958f0bc914f9
sha1
9a0945bca8cf2023e86346a2d40fea3d30cfc8bc
sha256
241629fed0a6d89449b5be895be7c9a3fa27459e72160d7937ca8994d2715610
sha512
6a5d27b3f1e95624c70eb11794b4f1055e71961e6200856f61942290153ba482b387079ac2cb5481e49bd0768767b3edef857de072121e3927c87ac75aa692c7
ripemd-160
7e448201d5c22e2dc71cf0660cd00635abae46d4
Diameter
2618432982
Circumference
8226049820.1684
Area
5.384840040176E+18
Volume
9.3998951759941E+27
Surface area
2.1539360160704E+19
Circumference
8226049820.1684
Perimeter
5236865964
Area
1714047820306353081
Diagonal
1851511717.6547
Surface area
1.0284286921838E+19
Volume
2.2440596727077E+27
Space diagonal
2267629480.519
Perimeter
3927649473
Area
7.4220447784332E+17
Altitude
1133814740.2595
Surface area
7.4220447784332E+17
Volume
2.6446496865981E+26
Height
617170572.55157