1291260 is an even 7-digits composite number following 1291259
and preceding 1291261 . In scientific notation, it is written as 1.291260 × 10^6.
The sum of its digits is 21. It has a total of 5 prime factors and 24 positive divisors.
There are 344320 positive integers (up to 1291260) that are relatively prime to 1291260.
1291260 has 24 divisors, whose sum is 3615696
The reverse of 1291260 is 0621921
Previous prime number is 5
Is Prime? no
Number parity even
Number length 7
Sum of Digits 21
Digital Root 3
Name
one million two hundred ninety-one thousand two hundred sixty
Scientific notation
1.291260 × 10^6
Engineering notation
1.291260 × 10^6
Prime Factorization
2 × 2 × 3 × 5 × 21521
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
645630
Product of the distinct prime numbers
The prime factorization of 1291260 is 2 × 2 × 3 × 5 × 21521.
Since it has a total of 5 prime factors.
1 , 3 , 62 , 14 , 107 , 991 , 3121 , 6492 , 2533 , 10727 , 840169 , 397443 , 9289485 , 718604 , 70840468 , 77866768 , 93302354 , 258339021 , 8477722342 , 4567082180
n×2
2582520
n×3
3873780
n×4
5165040
n×5
6456300
n÷2
645630
n÷3
430420
n÷3
322815
n÷5
258252
n2
1667352387600
n3
2152985444012376000
n4
2.7800639844354E+24
n5
3.5897854205421E+30
2 √n
1136.336217851
3 √n
108.89415418722
4 √n
33.709586438446
5 √n
16.680257071361
1 , 2 , 3 , 4 , 5 , 6 , 10 , 12 , 15 , 20 , 30 , 60 , 21521 , 43042 , 64563 , 86084 , 107605 , 129126 , 215210 , 258252 , 322815 , 430420 , 645630 , 1291260
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1291259
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1291260 can be divided by 24 positive divisors.
The sum of these divisors (counting 1291260) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100111011001111111100
3
Ternary
2102121021110
4
Quaternary
10323033330
5
Quinary
312310020
6
Senary
43402020
8
Octal
4731774
10
Decimal
1291260
12
Duodecimal
523310
16
Hexadecimal
13b3fc
20
Vigesimal
81830
36
Base36
rocc
md5
4dc9134c34138ffd64e1cd60340553c0
sha1
007d6c9b186a0352145578fdfb3cc99ef090354d
sha256
800e5487d2068274f7a483ae626d3729ac078d88c623b71d6b38460660df91ff
sha512
93dd2f68c2f8dae3e83dcfbf7650cdaa459ad34bd08cbe8a23fd43e581abc660613fff30cb0d42b56cb65e79f7e3082d1995eba594c0dd67545999ebd8f71cb1
ripemd-160
50177abbf3aab179579ad39c77e12b580ccfa505
Diameter
2582520
Circumference
8113225.8597487
Area
5238142011829.6
Volume
9.0184043389267E+18
Surface area
20952568047318
Circumference
8113225.8597487
Perimeter
5165040
Area
1667352387600
Diagonal
1826117.4045499
Surface area
10004114325600
Volume
2152985444012376000
Space diagonal
2236527.9257814
Perimeter
3873780
Area
721984762361.12
Altitude
1118263.9628907
Surface area
721984762361.12
Volume
2.5373176787618E+17
Height
608705.80151663