1291161 is an odd 7-digits composite number following 1291160
and preceding 1291162 . In scientific notation, it is written as 1.291161 × 10^6.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 840672 positive integers (up to 1291161) that are relatively prime to 1291161.
1291161 has 8 divisors, whose sum is 1761760
The reverse of 1291161 is 1611921
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 21
Digital Root 3
Name
one million two hundred ninety-one thousand one hundred sixty-one
Scientific notation
1.291161 × 10^6
Engineering notation
1.291161 × 10^6
Prime Factorization
3 × 43 × 10009
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1291161
Product of the distinct prime numbers
The prime factorization of 1291161 is 3 × 43 × 10009.
Since it has a total of 3 prime factors.
2 , 8 , 37 , 3 , 803 , 896 , 1099 , 1022 , 24096 , 94140 , 402054 , 82361 , 2089111 , 7533360 , 20116233 , 4135938 , 540327124 , 561390186 , 7558814893 , 9664287379
n×2
2582322
n×3
3873483
n×4
5164644
n×5
6455805
n÷2
645580.5
n÷3
430387
n÷3
322790.25
n÷5
258232.2
n2
1667096727921
n3
2152490278319206281
n4
2.7792115002449E+24
n5
3.5884094998677E+30
2 √n
1136.292655965
3 √n
108.89137116991
4 √n
33.708940297271
5 √n
16.680001290791
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1291160
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1291161 can be divided by 8 positive divisors.
The sum of these divisors (counting 1291161) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111011001110011001
3
Ternary
2102121010210
4
Quaternary
10323032121
5
Quinary
312304121
6
Senary
43401333
8
Octal
4731631
10
Decimal
1291161
12
Duodecimal
523249
16
Hexadecimal
13b399
20
Vigesimal
817i1
36
Base36
ro9l
md5
f60350301d487914fd3db4cd14272c80
sha1
9242958b63679b45319c5276570b2f3f6f80ea35
sha256
79f415f28e88ac1f5aa7e19694b9fee799e75692a2c24bd4ee8ce6859305d5f5
sha512
f7b40a392b5ec608946ad009d58cd6d8e925238a79d70c553811053b2233c0a5a1b0ab0c70322d9752afb279db928e896c5b171d9e50e3885d248629851ac85d
ripemd-160
0488196fd636c22067826e1d955e6ece95414b1b
Diameter
2582322
Circumference
8112603.8244033
Area
5237338833260.2
Volume
9.0163301937214E+18
Surface area
20949355333041
Circumference
8112603.8244033
Perimeter
5164644
Area
1667096727921
Diagonal
1825977.3974072
Surface area
10002580367526
Volume
2152490278319206281
Space diagonal
2236356.4527514
Perimeter
3873483
Area
721874058472.75
Altitude
1118178.2263757
Surface area
721874058472.75
Volume
2.536734120396E+17
Height
608659.13246907