1297125857 is an odd 10-digits composite number following 1297125856
and preceding 1297125858 . In scientific notation, it is written as 1.297125857 × 10^9.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 1217320704 positive integers (up to 1297125857) that are relatively prime to 1297125857.
1297125857 has 8 divisors, whose sum is 1377369000
The reverse of 1297125857 is 7585217921
Previous prime number is 349
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 47
Digital Root 2
Name
one billion two hundred ninety-seven million one hundred twenty-five thousand eight hundred fifty-seven
Scientific notation
1.297125857 × 10^9
Engineering notation
1.297125857 × 10^9
Prime Factorization
17 × 349 × 218629
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1297125857
Product of the distinct prime numbers
The prime factorization of 1297125857 is 17 × 349 × 218629.
Since it has a total of 3 prime factors.
5 , 1 , 46 , 4 , 988 , 579 , 8247 , 5420 , 41399 , 93200 , 289307 , 690041 , 7323326 , 7420444 , 5534756 , 8976544 , 82882522 , 798240792 , 9861420805 , 3522578800
n×2
2594251714
n×3
3891377571
n×4
5188503428
n×5
6485629285
n÷2
648562928.5
n÷3
432375285.66667
n÷3
324281464.25
n÷5
259425171.4
n2
1682535488897984449
n3
2.1824602879697E+27
n4
2.8309256714012E+36
n5
3.6720668876196E+45
2 √n
36015.633508242
3 √n
1090.5879769667
4 √n
189.77785304993
5 √n
66.46552252308
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1297125856
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1297125857 can be divided by 8 positive divisors.
The sum of these divisors (counting 1297125857) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101010100001001000111100001
3
Ternary
10100101202211011102
4
Quaternary
1031110021013201
5
Quinary
10124031011412
6
Senary
332413524145
8
Octal
11524110741
10
Decimal
1297125857
12
Duodecimal
3024a3655
16
Hexadecimal
4d5091e1
20
Vigesimal
10570ech
36
Base36
lg9wpt
md5
18d789ae2ce6d3d4ef0861666d4fbbea
sha1
89e63789d9580d875adb69eaf6a73025c34bc33e
sha256
2c120e84d1863a6263d8ed1c51dcc4fe94f288d9cd6fe584e890b0df5d36a7bd
sha512
702877b4813209e2394e6b15d2b7bfb18b6d26f55a2788daf4a49a322cac385695106d648c61d537dd9d51a10accb06d1ab91707240c43e796797ea22e3c5bef
ripemd-160
64225a5c0f1f1d466920bb7f17da5d1fe920b3f6
Diameter
2594251714
Circumference
8150082126.2651
Area
5.285841131326E+18
Volume
9.1418682765828E+27
Surface area
2.1143364525304E+19
Circumference
8150082126.2651
Perimeter
5188503428
Area
1682535488897984449
Diagonal
1834412979.0742
Surface area
1.0095212933388E+19
Volume
2.1824602879697E+27
Space diagonal
2246687888.1353
Perimeter
3891377571
Area
7.2855923807726E+17
Altitude
1123343944.0677
Surface area
7.2855923807726E+17
Volume
2.5720541154895E+26
Height
611470993.02474