243906989 is an odd 9-digits composite number following 243906988
and preceding 243906990 . In scientific notation, it is written as 2.43906989 × 10^8.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 242979324 positive integers (up to 243906989) that are relatively prime to 243906989.
243906989 has 4 divisors, whose sum is 244834656
The reverse of 243906989 is 989609342
Previous prime number is 263
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5
Name
two hundred forty-three million nine hundred six thousand nine hundred eighty-nine
Scientific notation
2.43906989 × 10^8
Engineering notation
2.43906989 × 10^6
Prime Factorization
263 × 927403
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
243906989
Product of the distinct prime numbers
The prime factorization of 243906989 is 263 × 927403.
Since it has a total of 2 prime factors.
8 , 7 , 37 , 88 , 239 , 549 , 1242 , 9949 , 56984 , 59806 , 709620 , 193352 , 4166693 , 2461008 , 47369359 , 67434893 , 791950788 , 827730277 , 4802713902 , 2962714805
n×2
487813978
n×3
731720967
n×4
975627956
n×5
1219534945
n÷2
121953494.5
n÷3
81302329.666667
n÷3
60976747.25
n÷5
48781397.8
n2
59490619283046121
n3
1.4510177823073E+25
n4
3.5391337826803E+33
n5
8.6321946460174E+41
2 √n
15617.521858477
3 √n
624.80056698246
4 √n
124.970083854
5 √n
47.582236251534
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
-243906988
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 243906989 can be divided by 4 positive divisors.
The sum of these divisors (counting 243906989) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110100010011011100110101101
3
Ternary
121222221202111012
4
Quaternary
32202123212231
5
Quinary
444420010424
6
Senary
40111435005
8
Octal
1642334655
10
Decimal
243906989
12
Duodecimal
69825a65
16
Hexadecimal
e89b9ad
20
Vigesimal
3g48799
36
Base36
417ru5
md5
f1d58f0b2a99cd7839702410f9e6d2c8
sha1
2502deb60157d31023f648690940ebaa422f0eb5
sha256
5e59ad2493219e541aaf5b050f8aa3a33249f067078e6943b878f81f11549fb2
sha512
e8de9223c6761d99812efb6ce6b72e0d24c54a72469fc8bbc4cce1e6565c2a333524f0e982bb58b400e951055d109feb64d1873d4d320e0f90d1cd2fdc373d1e
ripemd-160
e0d94f0bf219561b990bf81e63d9c9be2daa3e54
Diameter
487813978
Circumference
1532512809.6032
Area
1.8689529249712E+17
Volume
6.0780090734997E+25
Surface area
7.475811699885E+17
Circumference
1532512809.6032
Perimeter
975627956
Area
59490619283046121
Diagonal
344936571.80139
Surface area
356943715698276726
Volume
1.4510177823073E+25
Space diagonal
422459297.26914
Perimeter
731720967
Area
2.5760193792993E+16
Altitude
211229648.63457
Surface area
2.5760193792993E+16
Volume
1.7100408558196E+24
Height
114978857.26713