1243138742 is an even 10-digits composite number following 1243138741
and preceding 1243138743 . In scientific notation, it is written as 1.243138742 × 10^9.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 621569370 positive integers (up to 1243138742) that are relatively prime to 1243138742.
1243138742 has 4 divisors, whose sum is 1864708116
The reverse of 1243138742 is 2478313421
Previous prime number is 2
Is Prime? no
Number parity even
Number length 10
Sum of Digits 35
Digital Root 8
Name
one billion two hundred forty-three million one hundred thirty-eight thousand seven hundred forty-two
Scientific notation
1.243138742 × 10^9
Engineering notation
1.243138742 × 10^9
Prime Factorization
2 × 621569371
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1243138742
Product of the distinct prime numbers
The prime factorization of 1243138742 is 2 × 621569371.
Since it has a total of 2 prime factors.
7 , 3 , 26 , 38 , 638 , 130 , 7062 , 9410 , 9570 , 97475 , 61335 , 531319 , 5183195 , 5195345 , 75065303 , 67504065 , 991754888 , 321164167 , 4337334676 , 9517495820
n×2
2486277484
n×3
3729416226
n×4
4972554968
n×5
6215693710
n÷2
621569371
n÷3
414379580.66667
n÷3
310784685.5
n÷5
248627748.4
n2
1545393931861342564
n3
1.9211390683485E+27
n4
2.3882424046339E+36
n5
2.9689166584876E+45
2 √n
35258.172697972
3 √n
1075.2427768242
4 √n
187.77159715455
5 √n
65.902808116402
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
-1243138741
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 1243138742 can be divided by 4 positive divisors.
The sum of these divisors (counting 1243138742) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001010000110001100101010110110
3
Ternary
10012122011222202122
4
Quaternary
1022012030222312
5
Quinary
10021220414432
6
Senary
323204435542
8
Octal
11206145266
10
Decimal
1243138742
12
Duodecimal
2a83a8bb2
16
Hexadecimal
4a18cab6
20
Vigesimal
j89c6h2
36
Base36
kk4rzq
md5
061d3c94167c3ca1f3fad341f2c637c7
sha1
a4733887a8d254e08398a54afe1cdb6eff39d368
sha256
aeae8271d0f55070aee6356030c1a98e4e7e2124e6bddc552523a7d82c753330
sha512
ac1933c618aa4b597b5a711e730934613e38e01dcc5a635b9088225b09f8528538d5eb711713307e78ee2969d544cd401abd02145138f5f94c139c313e7d2c30
ripemd-160
6e880f0a60c373989c7ba021e9368d7156e9f0be
Diameter
2486277484
Circumference
7810871078.5201
Area
4.8549982232378E+18
Volume
8.0472485115308E+27
Surface area
1.9419992892951E+19
Circumference
7810871078.5201
Perimeter
4972554968
Area
1545393931861342564
Diagonal
1758063668.8478
Surface area
9.2723635911681E+18
Volume
1.9211390683485E+27
Space diagonal
2153179462.0013
Perimeter
3729416226
Area
6.6917520192312E+17
Altitude
1076589731.0006
Surface area
6.6917520192312E+17
Volume
2.2640841047194E+26
Height
586021222.94928