1291223431 is an odd 10-digits prime number following 1291223430
and preceding 1291223432 . In scientific notation, it is written as 1.291223431 × 10^9.
The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors.
There are 1291223430 positive integers (up to 1291223431) that are relatively prime to 1291223431.
1291223431 has 2 divisors, whose sum is 1291223432
The reverse of 1291223431 is 1343221921
Previous prime number is 1
Is Prime? yes Number parity odd Number length 10 Sum of Digits 28 Digital Root 1
Name
one billion two hundred ninety-one million two hundred twenty-three thousand four hundred thirty-one
Scientific notation
1.291223431 × 10^9
Engineering notation
1.291223431 × 10^9
Prime Factorization
1291223431
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
1291223431 Product of the distinct prime numbers
The prime factorization of 1291223431 is 1291223431.
Since it has a total of 1 prime factors.
7 , 7 , 60 , 51 , 842 , 662 , 949 , 7849 , 38716 , 91412 , 424521 , 237780 , 3322579 , 4835007 , 9928516 , 93099495 , 924881243 , 844171089 , 8882296781 , 1333075468
n×2
2582446862
n×3
3873670293
n×4
5164893724
n×5
6456117155
n÷2
645611715.5
n÷3
430407810.33333
n÷3
322805857.75
n÷5
258244686.2
n2
1667257948763411761
n3
2.1528025289643E+27
n4
2.7797490677148E+36
n5
3.5892771285337E+45
2 √n35933.597523766
3 √n1088.9312620217
4 √n189.56159295534
5 √n66.404923338652
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
1291223432 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
645611716 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
35933.597537681 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999984511 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1291223431 can be divided by 2 positive divisors.
The sum of these divisors (counting 1291223431) is 1291223432, the average is 645611716.
Base
System
Value
2
Binary
1001100111101101000000110000111
3
Ternary
10022222122221120001
4
Quaternary
1030331220012013
5
Quinary
10121023122211
6
Senary
332043222131
8
Octal
11475500607
10
Decimal
1291223431
12
Duodecimal
300517947
16
Hexadecimal
4cf68187
20
Vigesimal
103a2ibb
36
Base36
lcredj
md5
7de9a46b5db526e3da085af6193b2ace
sha1
21ddf00d1b09643613ca450a367c9c54b131a7e8
sha256
c1f693269336b6256d837b572b546fef3bcff8a968155195629cdae25022acf8
sha512
a69c1b7e6b055a8db6f269cdc3cefb225174dc415e3af9ed25dd0adcb03ca6f6dbe8ca97bf5d75c7c81d804ec00d1a19c93b19d35130c3a910327b2e40151e77
ripemd-160
8f90acf8f2aaf00ff1496ccce01aa9bb3e6c0eb9
Diameter
2582446862
Circumference
8112996089.9452
Area
5.2378453234743E+18
Volume
9.0176381461651E+27
Surface area
2.0951381293897E+19
Circumference
8112996089.9452
Perimeter
5164893724
Area
1667257948763411761
Diagonal
1826065688.1741
Surface area
1.000354769258E+19
Volume
2.1528025289643E+27
Space diagonal
2236464586.4154
Perimeter
3873670293
Area
7.2194386914532E+17
Altitude
1118232293.2077
Surface area
7.2194386914532E+17
Volume
2.5371021113104E+26
Height
608688562.72471