1291297 is an odd 7-digits composite number following 1291296
and preceding 1291298 . In scientific notation, it is written as 1.291297 × 10^6.
The sum of its digits is 31. It has a total of 5 prime factors and 18 positive divisors.
There are 1034208 positive integers (up to 1291297) that are relatively prime to 1291297.
1291297 has 18 divisors, whose sum is 1607058
The reverse of 1291297 is 7921921
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 31
Digital Root 4
Name
one million two hundred ninety-one thousand two hundred ninety-seven
Scientific notation
1.291297 × 10^6
Engineering notation
1.291297 × 10^6
Prime Factorization
7 × 7 × 19 × 19 × 73
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
9709
Product of the distinct prime numbers
The prime factorization of 1291297 is 7 × 7 × 19 × 19 × 73.
Since it has a total of 5 prime factors.
6 , 8 , 7 , 79 , 209 , 86 , 6198 , 7912 , 31870 , 22331 , 694951 , 690973 , 3725601 , 1474726 , 63792618 , 82324660 , 474708901 , 470120087 , 7488309182 , 6774714075
n×2
2582594
n×3
3873891
n×4
5165188
n×5
6456485
n÷2
645648.5
n÷3
430432.33333333
n÷3
322824.25
n÷5
258259.4
n2
1667447942209
n3
2153170525430655073
n4
2.780382639977E+24
n5
3.5902997618544E+30
2 √n
1136.3524981272
3 √n
108.89519426828
4 √n
33.709827916013
5 √n
16.680352662092
1 , 7 , 19 , 49 , 73 , 133 , 361 , 511 , 931 , 1387 , 2527 , 3577 , 9709 , 17689 , 26353 , 67963 , 184471 , 1291297
18 divisors
τ
Total Divisors
18
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1291296
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.055555555555556
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
18
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1291297 can be divided by 18 positive divisors.
The sum of these divisors (counting 1291297) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
100111011010000100001
3
Ternary
2102121022211
4
Quaternary
10323100201
5
Quinary
312310142
6
Senary
43402121
8
Octal
4732041
10
Decimal
1291297
12
Duodecimal
523341
16
Hexadecimal
13b421
20
Vigesimal
8184h
36
Base36
rodd
md5
95e14204e56f03de3444f4c6aa1df442
sha1
6266b3943e67d60bbe95df4b7a1c68b2e08c0358
sha256
40eb3b364f92eea1c5d7448b839307685b95dfb66f8bc9c5b66d856879d7b3d5
sha512
9441ef244c94ad43b9fea515f0a97652d554336a2497d5e5bee65aecb5c84d8cc9f8c097e2e38ae6432fa3ac9654405a87204ac9704f23252fcce0ab8b1e51f5
ripemd-160
6b2cbb70742d2cfb626898711e4026f4ab90ba82
Diameter
2582594
Circumference
8113458.3376051
Area
5238442205487.2
Volume
9.0191796061587E+18
Surface area
20953768821949
Circumference
8113458.3376051
Perimeter
5165188
Area
1667447942209
Diagonal
1826169.7304517
Surface area
10004687653254
Volume
2153170525430655073
Space diagonal
2236592.0116613
Perimeter
3873891
Area
722026138720.54
Altitude
1118296.0058306
Surface area
722026138720.54
Volume
2.537535799305E+17
Height
608723.2434839