243986985 is an odd 9-digits composite number following 243986984
and preceding 243986986 . In scientific notation, it is written as 2.43986985 × 10^8.
The sum of its digits is 54. It has a total of 5 prime factors and 32 positive divisors.
There are 118294560 positive integers (up to 243986985) that are relatively prime to 243986985.
243986985 has 32 divisors, whose sum is 420618240
The reverse of 243986985 is 589689342
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 54
Digital Root 9
Name
two hundred forty-three million nine hundred eighty-six thousand nine hundred eighty-five
Scientific notation
2.43986985 × 10^8
Engineering notation
2.43986985 × 10^6
Prime Factorization
11 × 3 × 15 × 9 × 54767
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
243986985
Product of the distinct prime numbers
The prime factorization of 243986985 is 11 × 3 × 15 × 9 × 54767.
Since it has a total of 5 prime factors.
2 , 4 , 33 , 5 , 73 , 140 , 492 , 5318 , 34472 , 85550 , 879190 , 486137 , 6871447 , 2716754 , 77965219 , 12855748 , 311965378 , 297210899 , 9295089793 , 6774697423
n×2
487973970
n×3
731960955
n×4
975947940
n×5
1219934925
n÷2
121993492.5
n÷3
81328995
n÷3
60996746.25
n÷5
48797397
n2
59529648849390225
n3
1.4524459540871E+25
n4
3.5437790921317E+33
n5
8.6463597619525E+41
2 √n
15620.08274626
3 √n
624.86886635494
4 √n
124.98032943731
5 √n
47.585357022547
1 , 3 , 9 , 11 , 15 , 27 , 33 , 45 , 99 , 135 , 165 , 297 , 405 , 495 , 1485 , 4455 , 54767 , 164301 , 492903 , 602437 , 821505 , 1478709 , 1807311 , 2464515 , 5421933 , 7393545 , 9036555 , 16265799 , 22180635 , 27109665 , 81328995 , 243986985
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-243986984
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 243986985 can be divided by 32 positive divisors.
The sum of these divisors (counting 243986985) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1110100010101111001000101001
3
Ternary
122000002211020000
4
Quaternary
32202233020221
5
Quinary
444430040420
6
Senary
40113253213
8
Octal
1642571051
10
Decimal
243986985
12
Duodecimal
69864209
16
Hexadecimal
e8af229
20
Vigesimal
3g4i795
36
Base36
419hk9
md5
d4a055e728e3d0b17e84652cf75cd242
sha1
fac8a3396c6fb67c95483e57d6fca93b617a00e3
sha256
50deb4492e584ac2e8d19430bbaff136663af448cd8340d583dd9abc4b1dfe9b
sha512
16541a35de8b7f274e4f62868ed97870251184465c9a8192cdca7aaf41485f6b340daefe4c7b95fff4669ee377344a025b8572af1913600b3eaa79eb6a606598
ripemd-160
e5eaa5365c228e88e70768b6007c52cb80a3ef3b
Diameter
487973970
Circumference
1533015439.295
Area
1.8701790749602E+17
Volume
6.0839913854619E+25
Surface area
7.480716299841E+17
Circumference
1533015439.295
Perimeter
975947940
Area
59529648849390225
Diagonal
345049703.22952
Surface area
357177893096341350
Volume
1.4524459540871E+25
Space diagonal
422597854.40555
Perimeter
731960955
Area
2.577709409097E+16
Altitude
211298927.20277
Surface area
2.577709409097E+16
Volume
1.7117239724033E+24
Height
115016567.74317