1242761 is an odd 7-digits composite number following 1242760
and preceding 1242762 . In scientific notation, it is written as 1.242761 × 10^6.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 1147152 positive integers (up to 1242761) that are relatively prime to 1242761.
1242761 has 4 divisors, whose sum is 1338372
The reverse of 1242761 is 1672421
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 23
Digital Root 5
Name
one million two hundred forty-two thousand seven hundred sixty-one
Scientific notation
1.242761 × 10^6
Engineering notation
1.242761 × 10^6
Prime Factorization
13 × 95597
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1242761
Product of the distinct prime numbers
The prime factorization of 1242761 is 13 × 95597.
Since it has a total of 2 prime factors.
9 , 8 , 85 , 16 , 102 , 779 , 2902 , 808 , 78601 , 13794 , 733673 , 465612 , 4657881 , 2082535 , 49647726 , 5669489 , 580995329 , 108605015 , 7596947157 , 75755695
n×2
2485522
n×3
3728283
n×4
4971044
n×5
6213805
n÷2
621380.5
n÷3
414253.66666667
n÷3
310690.25
n÷5
248552.2
n2
1544454903121
n3
1919388319857557081
n4
2.3853409477745E+24
n5
2.9644087015972E+30
2 √n
1114.7919088332
3 √n
107.51338574978
4 √n
33.388499649329
5 √n
16.553030801405
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
-1242760
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 1242761 can be divided by 4 positive divisors.
The sum of these divisors (counting 1242761) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101111011010001001
3
Ternary
2100010202012
4
Quaternary
10233122021
5
Quinary
304232021
6
Senary
42345305
8
Octal
4573211
10
Decimal
1242761
12
Duodecimal
4bb235
16
Hexadecimal
12f689
20
Vigesimal
7f6i1
36
Base36
qmx5
md5
188082da678a3cd5734cfa3436809944
sha1
2a7b8bf149e295d82f555df61fd75730e21820ab
sha256
619bab0a2c5e2468f9376b1a6d59503fc911eb86f13c29531c8a11b5e48f5fb6
sha512
73bc32fa3bc98b5839782b9a28f08199b84cc82486e7cc27a80b14763bf5a1f08aa91f4732837c5bb4aa479066b7fee90e2b33c39ab97eb64754f3919efc2996
ripemd-160
4d8f114f14461f044c50a948e2427f3b4e8bfa2a
Diameter
2485522
Circumference
7808497.6555358
Area
4852048177445.7
Volume
8.0399149934007E+18
Surface area
19408192709783
Circumference
7808497.6555358
Perimeter
4971044
Area
1544454903121
Diagonal
1757529.4609883
Surface area
9266729418726
Volume
1919388319857557081
Space diagonal
2152525.1936651
Perimeter
3728283
Area
668768590551.11
Altitude
1076262.5968326
Surface area
668768590551.11
Volume
2.2620208278359E+17
Height
585843.15366278