1291240 is an even 7-digits composite number following 1291239
and preceding 1291241 . In scientific notation, it is written as 1.291240 × 10^6.
The sum of its digits is 19. It has a total of 6 prime factors and 32 positive divisors.
There are 489024 positive integers (up to 1291240) that are relatively prime to 1291240.
1291240 has 32 divisors, whose sum is 3060000
The reverse of 1291240 is 0421921
Previous prime number is 19
Is Prime? no
Number parity even
Number length 7
Sum of Digits 19
Digital Root 1
Name
one million two hundred ninety-one thousand two hundred forty
Scientific notation
1.291240 × 10^6
Engineering notation
1.291240 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 19 × 1699
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
322810
Product of the distinct prime numbers
The prime factorization of 1291240 is 2 × 2 × 2 × 5 × 19 × 1699.
Since it has a total of 6 prime factors.
6 , 1 , 16 , 21 , 515 , 160 , 8746 , 6382 , 54152 , 72419 , 662006 , 138956 , 4330909 , 1737821 , 76067810 , 89514202 , 866647392 , 637693912 , 6084595149 , 6041454568
n×2
2582480
n×3
3873720
n×4
5164960
n×5
6456200
n÷2
645620
n÷3
430413.33333333
n÷3
322810
n÷5
258248
n2
1667300737600
n3
2152885404418624000
n4
2.7798917496015E+24
n5
3.5895074227554E+30
2 √n
1136.3274176046
3 √n
108.89359197296
4 √n
33.70945590787
5 √n
16.680205399783
1 , 2 , 4 , 5 , 8 , 10 , 19 , 20 , 38 , 40 , 76 , 95 , 152 , 190 , 380 , 760 , 1699 , 3398 , 6796 , 8495 , 13592 , 16990 , 32281 , 33980 , 64562 , 67960 , 129124 , 161405 , 258248 , 322810 , 645620 , 1291240
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
-1291239
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 1291240 can be divided by 32 positive divisors.
The sum of these divisors (counting 1291240) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100111011001111101000
3
Ternary
2102121020201
4
Quaternary
10323033220
5
Quinary
312304430
6
Senary
43401544
8
Octal
4731750
10
Decimal
1291240
12
Duodecimal
5232b4
16
Hexadecimal
13b3e8
20
Vigesimal
81820
36
Base36
robs
md5
6fa9515540ae2fbc28f2937c03b9567f
sha1
6d591e827df3cea7b920488988dd68b821f3173b
sha256
313911413331e0d43757f049847af1423792750ac4cf1b6e1f218bd2ddac4151
sha512
e0da4213a582627859b650653ea6a82879980663029cb9292f1204fb40fe139b8a525c4f99887fc72a8075656b6957962602e2eaa130a1ddbece8687fb520867
ripemd-160
696a17644350509fcdeeaed741699b5b054ec5b7
Diameter
2582480
Circumference
8113100.1960426
Area
5237979748569
Volume
9.0179852940563E+18
Surface area
20951918994276
Circumference
8113100.1960426
Perimeter
5164960
Area
1667300737600
Diagonal
1826089.1202786
Surface area
10003804425600
Volume
2152885404418624000
Space diagonal
2236493.2847652
Perimeter
3873720
Area
721962397255.07
Altitude
1118246.6423826
Surface area
721962397255.07
Volume
2.5371997809699E+17
Height
608696.37342621