1291085 is an odd 7-digits composite number following 1291084
and preceding 1291086 . In scientific notation, it is written as 1.291085 × 10^6.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 1025344 positive integers (up to 1291085) that are relatively prime to 1291085.
1291085 has 8 divisors, whose sum is 1560600
The reverse of 1291085 is 5801921
Previous prime number is 149
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 26
Digital Root 8
Name
one million two hundred ninety-one thousand eighty-five
Scientific notation
1.291085 × 10^6
Engineering notation
1.291085 × 10^6
Prime Factorization
5 × 149 × 1733
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1291085
Product of the distinct prime numbers
The prime factorization of 1291085 is 5 × 149 × 1733.
Since it has a total of 3 prime factors.
5 , 10 , 41 , 97 , 218 , 10 , 7536 , 6604 , 350 , 11763 , 467709 , 653889 , 4904457 , 6452021 , 23739399 , 91905309 , 110055187 , 530637435 , 5236282643 , 2936292485
n×2
2582170
n×3
3873255
n×4
5164340
n×5
6455425
n÷2
645542.5
n÷3
430361.66666667
n÷3
322771.25
n÷5
258217
n2
1666900477225
n3
2152110202638039125
n4
2.7785572009729E+24
n5
3.5873535238181E+30
2 √n
1136.259213384
3 √n
108.88923461565
4 √n
33.708444244491
5 √n
16.679804923344
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
-1291084
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 1291085 can be divided by 8 positive divisors.
The sum of these divisors (counting 1291085) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111011001101001101
3
Ternary
2102121000222
4
Quaternary
10323031031
5
Quinary
312303320
6
Senary
43401125
8
Octal
4731515
10
Decimal
1291085
12
Duodecimal
5231a5
16
Hexadecimal
13b34d
20
Vigesimal
817e5
36
Base36
ro7h
md5
590f043e293536782e43db3e6ad9d4fc
sha1
1178c860b2f77bdeb495254c4ea6fc9a07ff6024
sha256
71298f3dae7fae0e5f531ec3e018c4be50af93e5ebea7828cc8a75ffbc3e327c
sha512
fbf0b8906432c7e61e426db1f2a6ffe8870ce3c017808c94432cc52cd0ca9b7ae4417e830d74a56cd8c0b45bd5ad8846e2c3098035354f01db8dc9e9c739ad48
ripemd-160
cb88d933b1ce58a5c0c111bb854731a880af5273
Diameter
2582170
Circumference
8112126.30232
Area
5236722293515.4
Volume
9.0147381364311E+18
Surface area
20946889174062
Circumference
8112126.30232
Perimeter
5164340
Area
1666900477225
Diagonal
1825869.9171765
Surface area
10001402863350
Volume
2152110202638039125
Space diagonal
2236224.8168901
Perimeter
3873255
Area
721789079428.63
Altitude
1118112.408445
Surface area
721789079428.63
Volume
2.5362861969102E+17
Height
608623.30572549