1291216 is an even 7-digits composite number following 1291215
and preceding 1291217 . In scientific notation, it is written as 1.291216 × 10^6.
The sum of its digits is 22. It has a total of 5 prime factors and 10 positive divisors.
There are 645600 positive integers (up to 1291216) that are relatively prime to 1291216.
1291216 has 10 divisors, whose sum is 2501762
The reverse of 1291216 is 6121921
Previous prime number is 2
Is Prime? no
Number parity even
Number length 7
Sum of Digits 22
Digital Root 4
Name
one million two hundred ninety-one thousand two hundred sixteen
Scientific notation
1.291216 × 10^6
Engineering notation
1.291216 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 80701
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
161402
Product of the distinct prime numbers
The prime factorization of 1291216 is 2 × 2 × 2 × 2 × 80701.
Since it has a total of 5 prime factors.
7 , 2 , 31 , 44 , 503 , 897 , 1820 , 9685 , 45705 , 23447 , 61757 , 389008 , 662024 , 6302943 , 63170386 , 8534817 , 343749723 , 445659247 , 8561306731 , 5610391665
n×2
2582432
n×3
3873648
n×4
5164864
n×5
6456080
n÷2
645608
n÷3
430405.33333333
n÷3
322804
n÷5
258243.2
n2
1667238758656
n3
2152765360996765696
n4
2.7796850783648E+24
n5
3.5891738481459E+30
2 √n
1136.316857219
3 √n
108.8929173082
4 √n
33.709299269178
5 √n
16.680143393045
10 divisors
τ
Total Divisors
10
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1291215
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.1
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
10
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1291216 can be divided by 10 positive divisors.
The sum of these divisors (counting 1291216) is 1, the average is 0.1.
Base
System
Value
2
Binary
100111011001111010000
3
Ternary
2102121012211
4
Quaternary
10323033100
5
Quinary
312304331
6
Senary
43401504
8
Octal
4731720
10
Decimal
1291216
12
Duodecimal
523294
16
Hexadecimal
13b3d0
20
Vigesimal
8180g
36
Base36
rob4
md5
31e9e2ecbe8c271864b409c7aecf14d3
sha1
e666d48b691e8e33ece61461252cf1e37cf7a14d
sha256
6c5ef0e5f289e538d22c8306e32f80e1b049bc0b696f7c3213feb1b323aaa544
sha512
e6993c3dd7f8fcf587a1bcb838e95d38675031ac770996acfae1e6a0af4f7d8b25a2c7416650833ff71a82f04856354a8917067b722642526d0f0cb44726ab6f
ripemd-160
326d73d63a9ce5a6d7009008ad8257937d7b4670
Diameter
2582432
Circumference
8112949.3995952
Area
5237785035973.9
Volume
9.0174824573467E+18
Surface area
20951140143895
Circumference
8112949.3995952
Perimeter
5164864
Area
1667238758656
Diagonal
1826055.1791531
Surface area
10003432551936
Volume
2152765360996765696
Space diagonal
2236451.7155459
Perimeter
3873648
Area
721935559585.06
Altitude
1118225.8577729
Surface area
721935559585.06
Volume
2.5370583084405E+17
Height
608685.05971771