1291206 is an even 7-digits composite number following 1291205
and preceding 1291207 . In scientific notation, it is written as 1.291206 × 10^6.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 362880 positive integers (up to 1291206) that are relatively prime to 1291206.
1291206 has 16 divisors, whose sum is 2062368
The reverse of 1291206 is 6021921
Previous prime number is 71
Is Prime? no
Number parity even
Number length 7
Sum of Digits 21
Digital Root 3
Name
one million two hundred ninety-one thousand two hundred six
Scientific notation
1.291206 × 10^6
Engineering notation
1.291206 × 10^6
Prime Factorization
2 × 21 × 71 × 433
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1291206
Product of the distinct prime numbers
The prime factorization of 1291206 is 2 × 21 × 71 × 433.
Since it has a total of 4 prime factors.
4 , 9 , 84 , 45 , 63 , 843 , 7551 , 7394 , 5510 , 23049 , 520406 , 373676 , 468784 , 6667494 , 63203183 , 75125898 , 987589262 , 561561336 , 7380000866 , 5156415345
n×2
2582412
n×3
3873618
n×4
5164824
n×5
6456030
n÷2
645603
n÷3
430402
n÷3
322801.5
n÷5
258241.2
n2
1667212934436
n3
2152715344221369816
n4
2.7795989687507E+24
n5
3.5890348660447E+30
2 √n
1136.3124570293
3 √n
108.89263619541
4 √n
33.709234002411
5 √n
16.680117556631
1 , 2 , 21 , 42 , 71 , 142 , 433 , 866 , 1491 , 2982 , 9093 , 18186 , 30743 , 61486 , 645603 , 1291206
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
-1291205
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 1291206 can be divided by 16 positive divisors.
The sum of these divisors (counting 1291206) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111011001111000110
3
Ternary
2102121012110
4
Quaternary
10323033012
5
Quinary
312304311
6
Senary
43401450
8
Octal
4731706
10
Decimal
1291206
12
Duodecimal
523286
16
Hexadecimal
13b3c6
20
Vigesimal
81806
36
Base36
roau
md5
4a973ee4f1b2c966426ede8173cab83b
sha1
c8543422369e2f2d5a9d522954bc1c9754d2e669
sha256
2bc4aea557fc027bfbdd9ec4b9df9525121ddb5b095b7eded09f7fe1b7a2e6d5
sha512
5897b7ca0374a58128c2a71aeb913e664a10b0a34381038df771ddcce8aab3e7e131944c2abffd2f7e14bb06f25df8085a4db2d7cc5372a2b81d531e45646bbf
ripemd-160
e2b42a9247ac904dfab35dd2ce49cde8469f1ddd
Diameter
2582412
Circumference
8112886.5677421
Area
5237703906794
Volume
9.0172729475678E+18
Surface area
20950815627176
Circumference
8112886.5677421
Perimeter
5164824
Area
1667212934436
Diagonal
1826041.0370175
Surface area
10003277606616
Volume
2152715344221369816
Space diagonal
2236434.3950378
Perimeter
3873618
Area
721924377369.79
Altitude
1118217.1975189
Surface area
721924377369.79
Volume
2.5369993631054E+17
Height
608680.3456725