1291138 is an even 7-digits composite number following 1291137
and preceding 1291139 . In scientific notation, it is written as 1.291138 × 10^6.
The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors.
There are 614656 positive integers (up to 1291138) that are relatively prime to 1291138.
1291138 has 16 divisors, whose sum is 2031480
The reverse of 1291138 is 8311921
Previous prime number is 113
Is Prime? no
Number parity even
Number length 7
Sum of Digits 25
Digital Root 7
Name
one million two hundred ninety-one thousand one hundred thirty-eight
Scientific notation
1.291138 × 10^6
Engineering notation
1.291138 × 10^6
Prime Factorization
2 × 29 × 113 × 197
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1291138
Product of the distinct prime numbers
The prime factorization of 1291138 is 2 × 29 × 113 × 197.
Since it has a total of 4 prime factors.
5 , 7 , 9 , 14 , 16 , 624 , 3899 , 9557 , 86660 , 64726 , 462034 , 618247 , 770170 , 8412222 , 47088129 , 39370726 , 120365485 , 155252374 , 8128520085 , 3701665179
n×2
2582276
n×3
3873414
n×4
5164552
n×5
6455690
n÷2
645569
n÷3
430379.33333333
n÷3
322784.5
n÷5
258227.6
n2
1667037335044
n3
2152375250694040072
n4
2.7790134764306E+24
n5
3.5880899019317E+30
2 √n
1136.2825352878
3 √n
108.89072458997
4 √n
33.708790178346
5 √n
16.679941864776
1 , 2 , 29 , 58 , 113 , 197 , 226 , 394 , 3277 , 5713 , 6554 , 11426 , 22261 , 44522 , 645569 , 1291138
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1291137
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1291138 can be divided by 16 positive divisors.
The sum of these divisors (counting 1291138) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111011001110000010
3
Ternary
2102121002221
4
Quaternary
10323032002
5
Quinary
312304023
6
Senary
43401254
8
Octal
4731602
10
Decimal
1291138
12
Duodecimal
52322a
16
Hexadecimal
13b382
20
Vigesimal
817gi
36
Base36
ro8y
md5
2ca39945d18aa5a41b261708a39a7b7a
sha1
5fd287dd2a8f09901a0bce0983ed624c0ea8c661
sha256
9844683e5c7c919801258e98786228172061ec0c47b5b051322280e0317ea9be
sha512
5abdc41f08d09c77c2cae7c416a662eace40528ffc4ca64ced20f564e44c9a3b0254f125cc5c7183b5f3b24ae8ee1941676007e0a5653a3288f738e865157cce
ripemd-160
f09d43733bd39e363c53babb98a9bec08e4a0da7
Diameter
2582276
Circumference
8112459.3111412
Area
5237152245034.1
Volume
9.0158483671318E+18
Surface area
20948608980137
Circumference
8112459.3111412
Perimeter
5164552
Area
1667037335044
Diagonal
1825944.8704953
Surface area
10002224010264
Volume
2152375250694040072
Space diagonal
2236316.6155829
Perimeter
3873414
Area
721848340602.61
Altitude
1118158.3077914
Surface area
721848340602.61
Volume
2.5365985590398E+17
Height
608648.29016509