243965981 is an odd 9-digits composite number following 243965980
and preceding 243965982 . In scientific notation, it is written as 2.43965981 × 10^8.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 209113692 positive integers (up to 243965981) that are relatively prime to 243965981.
243965981 has 4 divisors, whose sum is 278818272
The reverse of 243965981 is 189569342
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
two hundred forty-three million nine hundred sixty-five thousand nine hundred eighty-one
Scientific notation
2.43965981 × 10^8
Engineering notation
2.43965981 × 10^6
Prime Factorization
7 × 34852283
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
243965981
Product of the distinct prime numbers
The prime factorization of 243965981 is 7 × 34852283.
Since it has a total of 2 prime factors.
2 , 1 , 96 , 5 , 187 , 210 , 7202 , 8978 , 45805 , 25649 , 993737 , 7383 , 7518846 , 5987779 , 76578301 , 38821849 , 896606394 , 358092659 , 8680045876 , 1871032670
n×2
487931962
n×3
731897943
n×4
975863924
n×5
1219829905
n÷2
121982990.5
n÷3
81321993.666667
n÷3
60991495.25
n÷5
48793196.2
n2
59519399885292361
n3
1.4520708781547E+25
n4
3.5425589627053E+33
n5
8.6426387258675E+41
2 √n
15619.410392201
3 √n
624.85093490351
4 √n
124.97763956885
5 √n
47.584537702404
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
-243965980
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 243965981 can be divided by 4 positive divisors.
The sum of these divisors (counting 243965981) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110100010101010000000011101
3
Ternary
122000001202102002
4
Quaternary
32202222000131
5
Quinary
444423402411
6
Senary
40113012045
8
Octal
1642520035
10
Decimal
243965981
12
Duodecimal
69854025
16
Hexadecimal
e8aa01d
20
Vigesimal
3g4fej1
36
Base36
4191ct
md5
b24d2459ab591ea42125a4ba4c7ec450
sha1
9450254fdd3fa0a59acfdea1a0ad606ee3948c61
sha256
deb9e3e0122225da9b06794f7ca9aeee3c0b1f1193bd4a1b727524c68a2102e6
sha512
d2d396d38a2cfe7f91e8530f80102ebe83400784336dbefa6cc528dd7f7951002553db5be76a9a63349678ed0ed9beb5776dfc471e7f6de97eb0802b4af6c730
ripemd-160
da95cf2b045641431c6ac1c217131906b204a338
Diameter
487931962
Circumference
1532883467.2709
Area
1.8698570942571E+17
Volume
6.0824202710698E+25
Surface area
7.4794283770283E+17
Circumference
1532883467.2709
Perimeter
975863924
Area
59519399885292361
Diagonal
345019999.08786
Surface area
357116399311754166
Volume
1.4520708781547E+25
Space diagonal
422561474.41038
Perimeter
731897943
Area
2.5772656159334E+16
Altitude
211280737.20519
Surface area
2.5772656159334E+16
Volume
1.7112819411778E+24
Height
115006666.36262