1291256193 is an odd 10-digits composite number following 1291256192
and preceding 1291256194 . In scientific notation, it is written as 1.291256193 × 10^9.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 845873280 positive integers (up to 1291256193) that are relatively prime to 1291256193.
1291256193 has 16 divisors, whose sum is 1751780096
The reverse of 1291256193 is 3916521921
Previous prime number is 271
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 39
Digital Root 3
Name
one billion two hundred ninety-one million two hundred fifty-six thousand one hundred ninety-three
Scientific notation
1.291256193 × 10^9
Engineering notation
1.291256193 × 10^9
Prime Factorization
3 × 73 × 271 × 21757
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1291256193
Product of the distinct prime numbers
The prime factorization of 1291256193 is 3 × 73 × 271 × 21757.
Since it has a total of 4 prime factors.
10 , 9 , 42 , 78 , 538 , 213 , 3425 , 8107 , 1762 , 98545 , 230738 , 608215 , 9703388 , 8841899 , 25704343 , 83554614 , 188146091 , 440400867 , 4152137134 , 4342835731
n×2
2582512386
n×3
3873768579
n×4
5165024772
n×5
6456280965
n÷2
645628096.5
n÷3
430418731
n÷3
322814048.25
n÷5
258251238.6
n2
1667342555960853249
n3
2.1529664012369E+27
n4
2.7800311989181E+36
n5
3.5897325023362E+45
2 √n
35934.053389508
3 √n
1088.9404717018
4 √n
189.56279537269
5 √n
66.405260311475
1 , 3 , 73 , 219 , 271 , 813 , 19783 , 21757 , 59349 , 65271 , 1588261 , 4764783 , 5896147 , 17688441 , 430418731 , 1291256193
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
-1291256192
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 1291256193 can be divided by 16 positive divisors.
The sum of these divisors (counting 1291256193) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111101110000000110000001
3
Ternary
10022222201121111110
4
Quaternary
1030331300012001
5
Quinary
10121030144233
6
Senary
332044033533
8
Octal
11475600601
10
Decimal
1291256193
12
Duodecimal
3005328a9
16
Hexadecimal
4cf70181
20
Vigesimal
103a709d
36
Base36
lcs3nl
md5
07198642e4dee0cbd9fa84932ca42135
sha1
02a2b78c58f0ad85a4a62591f2f1775f8c864086
sha256
b66c33f46582b65069ad7f3446bf8ac54590ba860220518dcb6bfce91cdea7c6
sha512
ad2fad7be67697198cbde5e76a1431d4453da9dd5e5fa8e312e4ae3877ac21a9a450cbbc75ecd60cde08d58e19989aa9737ab3f5ad77804382ed5edc98db0f68
ripemd-160
e24fe54cb2af8953a40977712c1c756437137030
Diameter
2582512386
Circumference
8113201939.6622
Area
5.2381111248242E+18
Volume
9.0183245727353E+27
Surface area
2.0952444499297E+19
Circumference
8113201939.6622
Perimeter
5165024772
Area
1667342555960853249
Diagonal
1826112020.6389
Surface area
1.0004055335765E+19
Volume
2.1529664012369E+27
Space diagonal
2236521331.864
Perimeter
3873768579
Area
7.2198050513649E+17
Altitude
1118260665.932
Surface area
7.2198050513649E+17
Volume
2.5372952366357E+26
Height
608704006.87962