243996891 is an odd 9-digits composite number following 243996890
and preceding 243996892 . In scientific notation, it is written as 2.43996891 × 10^8.
The sum of its digits is 51. It has a total of 2 prime factors and 4 positive divisors.
There are 162664592 positive integers (up to 243996891) that are relatively prime to 243996891.
243996891 has 4 divisors, whose sum is 325329192
The reverse of 243996891 is 198699342
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 51
Digital Root 6
Name
two hundred forty-three million nine hundred ninety-six thousand eight hundred ninety-one
Scientific notation
2.43996891 × 10^8
Engineering notation
2.43996891 × 10^6
Prime Factorization
3 × 81332297
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
243996891
Product of the distinct prime numbers
The prime factorization of 243996891 is 3 × 81332297.
Since it has a total of 2 prime factors.
3 , 1 , 52 , 38 , 561 , 123 , 1424 , 7914 , 82391 , 81766 , 259936 , 92117 , 3534805 , 7081441 , 11028599 , 57672447 , 979189154 , 122880252 , 3924941464 , 2288006024
n×2
487993782
n×3
731990673
n×4
975987564
n×5
1219984455
n÷2
121998445.5
n÷3
81332297
n÷3
60999222.75
n÷5
48799378.2
n2
59534482817665881
n3
1.4526228714803E+25
n4
3.544354644367E+33
n5
8.6481151382695E+41
2 √n
15620.399834831
3 √n
624.87732290877
4 √n
124.98159798479
5 √n
47.58574341438
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
-243996890
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 243996891 can be divided by 4 positive divisors.
The sum of these divisors (counting 243996891) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110100010110001100011011011
3
Ternary
122000010022210220
4
Quaternary
32202301203123
5
Quinary
444430400031
6
Senary
40113411123
8
Octal
1642614333
10
Decimal
243996891
12
Duodecimal
69869aa3
16
Hexadecimal
e8b18db
20
Vigesimal
3g4jc4b
36
Base36
419p7f
md5
d81f012b0f974aa0d1732db8b362a6b2
sha1
e340ce5ca896c041b417f70457c9b819cd78d2fd
sha256
e0d7add53ce736af917f5603f8747f7476afd5ef8f3d0ffa9713728ca1601ad7
sha512
7f41dce4b34fee4c75538dcc9f8addffdb967c3a02c1bb3e0631096b05a81df97d89111e30482ebf0849e5cb14f8952b189682491c8dedad63a55eea941206e5
ripemd-160
fecf6f6949a4c1d089f7d13210774c4cbc7a64f7
Diameter
487993782
Circumference
1533077680.5287
Area
1.8703309385525E+17
Volume
6.0847324553055E+25
Surface area
7.4813237542099E+17
Circumference
1533077680.5287
Perimeter
975987564
Area
59534482817665881
Diagonal
345063712.42907
Surface area
357206896905995286
Volume
1.4526228714803E+25
Space diagonal
422615012.10085
Perimeter
731990673
Area
2.5779187260633E+16
Altitude
211307506.05042
Surface area
2.5779187260633E+16
Volume
1.7119324715507E+24
Height
115021237.47636