1291606 is an even 7-digits composite number following 1291605
and preceding 1291607 . In scientific notation, it is written as 1.291606 × 10^6.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 645802 positive integers (up to 1291606) that are relatively prime to 1291606.
1291606 has 4 divisors, whose sum is 1937412
The reverse of 1291606 is 6061921
Previous prime number is 2
Is Prime? no
Number parity even
Number length 7
Sum of Digits 25
Digital Root 7
Name
one million two hundred ninety-one thousand six hundred six
Scientific notation
1.291606 × 10^6
Engineering notation
1.291606 × 10^6
Prime Factorization
2 × 645803
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1291606
Product of the distinct prime numbers
The prime factorization of 1291606 is 2 × 645803.
Since it has a total of 2 prime factors.
2 , 10 , 67 , 98 , 122 , 10 , 7438 , 725 , 56405 , 94902 , 557471 , 126959 , 5728971 , 3921900 , 49197602 , 37579105 , 970246230 , 387530370 , 8046614981 , 9037158679
n×2
2583212
n×3
3874818
n×4
5166424
n×5
6458030
n÷2
645803
n÷3
430535.33333333
n÷3
322901.5
n÷5
258321.2
n2
1668246059236
n3
2154716619585573016
n4
2.7830449141564E+24
n5
3.5945975093939E+30
2 √n
1136.4884513272
3 √n
108.90387957497
4 √n
33.711844377417
5 √n
16.681150888324
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1291605
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1291606 can be divided by 4 positive divisors.
The sum of these divisors (counting 1291606) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111011010101010110
3
Ternary
2102121202021
4
Quaternary
10323111112
5
Quinary
312312411
6
Senary
43403354
8
Octal
4732526
10
Decimal
1291606
12
Duodecimal
52355a
16
Hexadecimal
13b556
20
Vigesimal
81906
36
Base36
roly
md5
828e4d154828250434ebf90e545f7fc9
sha1
9cf8ac386bb0b8e1b23e013563eb45bf81a56cf3
sha256
9887e4118417645e9c33a4846b6a7850f3fc3da2fbc9a4f1c5da696a2d9c4884
sha512
9114cb6d4b9a832b92e9719aa1aa988e08b41918ffa919bf972e285c4bec87e4568a770aff75fd2ccc4c44a9ceede4cd1418903e0980faa2dd2fc875476b52a0
ripemd-160
7000b1d5d72a59e3c226f5092e3e4ffea8a25e0d
Diameter
2583212
Circumference
8115399.841865
Area
5240949564075.9
Volume
9.0256558702105E+18
Surface area
20963798256304
Circumference
8115399.841865
Perimeter
5166424
Area
1668246059236
Diagonal
1826606.7224425
Surface area
10009476355416
Volume
2154716619585573016
Space diagonal
2237127.2153608
Perimeter
3874818
Area
722371733530.83
Altitude
1118563.6076804
Surface area
722371733530.83
Volume
2.5393578887405E+17
Height
608868.90748082