1242390903 is an odd 10-digits composite number following 1242390902
and preceding 1242390904 . In scientific notation, it is written as 1.242390903 × 10^9.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 748280160 positive integers (up to 1242390903) that are relatively prime to 1242390903.
1242390903 has 8 divisors, whose sum is 1301360640
The reverse of 1242390903 is 3090932421
Previous prime number is 47
Is Prime? no Number parity odd Number length 10 Sum of Digits 33 Digital Root 6
Name
one billion two hundred forty-two million three hundred ninety thousand nine hundred three
Scientific notation
1.242390903 × 10^9
Engineering notation
1.242390903 × 10^9
Prime Factorization
39 × 47 × 677791
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1242390903 Product of the distinct prime numbers
The prime factorization of 1242390903 is 39 × 47 × 677791.
Since it has a total of 3 prime factors.
10 , 10 , 66 , 3 , 971 , 415 , 3840 , 9355 , 389 , 46154 , 169570 , 932306 , 3172855 , 2811900 , 13418174 , 12744109 , 579493231 , 586561249 , 1472048674 , 2171833164
n×2
2484781806
n×3
3727172709
n×4
4969563612
n×5
6211954515
n÷2
621195451.5
n÷3
414130301
n÷3
310597725.75
n÷5
248478180.6
n2
1543535155857155409
n3
1.9176740360976E+27
n4
2.382500777367E+36
n5
2.9599972921912E+45
2 √n35247.565915961
3 √n1075.0271211474
4 √n187.74335118976
5 √n65.894877134593
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
-1242390902 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 1242390903 can be divided by 8 positive divisors.
The sum of these divisors (counting 1242390903) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001010000011010110000101110111
3
Ternary
10012120202222220220
4
Quaternary
1022003112011313
5
Quinary
10021023002103
6
Senary
323140425423
8
Octal
11203260567
10
Decimal
1242390903
12
Duodecimal
2a80a8273
16
Hexadecimal
4a0d6177
20
Vigesimal
j84ih53
36
Base36
kjoqyf
md5
3947a3f4e480b3ea61da0e16aad0bf27
sha1
271a592543818bb60f310bfd9041cba23ccb7ff6
sha256
8cf20029ba5d40d3741d36b9b767c0d1b8ee87c22899860901c88b25efc56fee
sha512
d6ac4f109d827e4aefa38993d29d32cfc61e0ff97c544302b090e31a8e373c2814621e0bf5cc5c56d6323c8af76d842810cb5a3a827cf74a9f5b216ea0e65725
ripemd-160
b612addbd70d34a7f2dd69da7e89c02b104473ec
Diameter
2484781806
Circumference
7806172267.5032
Area
4.8491587061984E+18
Volume
8.0327342183789E+27
Surface area
1.9396634824794E+19
Circumference
7806172267.5032
Perimeter
4969563612
Area
1543535155857155409
Diagonal
1757006064.7916
Surface area
9.2612109351429E+18
Volume
1.9176740360976E+27
Space diagonal
2151884166.8574
Perimeter
3727172709
Area
6.6837032830333E+17
Altitude
1075942083.4287
Surface area
6.6837032830333E+17
Volume
2.26000052505E+26
Height
585668688.26385