1291290 is an even 7-digits composite number following 1291289
and preceding 1291291 . In scientific notation, it is written as 1.291290 × 10^6.
The sum of its digits is 24. It has a total of 5 prime factors and 32 positive divisors.
There are 241920 positive integers (up to 1291290) that are relatively prime to 1291290.
1291290 has 32 divisors, whose sum is 2299968
The reverse of 1291290 is 0921921
Previous prime number is 11
Is Prime? no
Number parity even
Number length 7
Sum of Digits 24
Digital Root 6
Name
one million two hundred ninety-one thousand two hundred ninety
Scientific notation
1.291290 × 10^6
Engineering notation
1.291290 × 10^6
Prime Factorization
2 × 21 × 65 × 11 × 43
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
1291290
Product of the distinct prime numbers
The prime factorization of 1291290 is 2 × 21 × 65 × 11 × 43.
Since it has a total of 5 prime factors.
9 , 8 , 24 , 73 , 863 , 882 , 7922 , 81 , 82363 , 47577 , 538979 , 193012 , 4427240 , 140578 , 15801799 , 37358994 , 192680930 , 726503056 , 3491968119 , 8449076610
n×2
2582580
n×3
3873870
n×4
5165160
n×5
6456450
n÷2
645645
n÷3
430430
n÷3
322822.5
n÷5
258258
n2
1667429864100
n3
2153135509213689000
n4
2.7803223516925E+24
n5
3.5902024495171E+30
2 √n
1136.3494180929
3 √n
108.89499749771
4 √n
33.709782231466
5 √n
16.680334577527
1 , 2 , 11 , 21 , 22 , 42 , 43 , 65 , 86 , 130 , 231 , 462 , 473 , 715 , 903 , 946 , 1365 , 1430 , 1806 , 2730 , 2795 , 5590 , 9933 , 15015 , 19866 , 30030 , 30745 , 58695 , 61490 , 117390 , 645645 , 1291290
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1291289
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1291290 can be divided by 32 positive divisors.
The sum of these divisors (counting 1291290) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100111011010000011010
3
Ternary
2102121022120
4
Quaternary
10323100122
5
Quinary
312310130
6
Senary
43402110
8
Octal
4732032
10
Decimal
1291290
12
Duodecimal
523336
16
Hexadecimal
13b41a
20
Vigesimal
8184a
36
Base36
rod6
md5
766e2b3d472007cd21861e03a5a92a0c
sha1
4d39482178f71d4a5475cad0e57f7270d0a67aa1
sha256
93a7184d071252fb038f5dfb0c6dc090400661f5ba8e022efafc253b020612f5
sha512
9c11f856552549bacf9e26a1229652f0f40ecf6402266b151f7540a02fcfb69abc9d07ac29c43ebadee775bcd7089796aa7f34991d4784d15b3b0629b6772ecc
ripemd-160
dedfdbc59a90f0fd6e0f58f5e9b1561232ab9a49
Diameter
2582580
Circumference
8113414.3553079
Area
5238385411432.8
Volume
9.0190329305721E+18
Surface area
20953541645731
Circumference
8113414.3553079
Perimeter
5165160
Area
1667429864100
Diagonal
1826159.8309568
Surface area
10004579184600
Volume
2153135509213689000
Space diagonal
2236579.8873056
Perimeter
3873870
Area
722018310669.72
Altitude
1118289.9436528
Surface area
722018310669.72
Volume
2.5374945322976E+17
Height
608719.94365225