1285755249 is an odd 10-digits composite number following 1285755248
and preceding 1285755250 . In scientific notation, it is written as 1.285755249 × 10^9.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 840403200 positive integers (up to 1285755249) that are relatively prime to 1285755249.
1285755249 has 16 divisors, whose sum is 1747920384
The reverse of 1285755249 is 9425575821
Previous prime number is 3121
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 48
Digital Root 3
Name
one billion two hundred eighty-five million seven hundred fifty-five thousand two hundred forty-nine
Scientific notation
1.285755249 × 10^9
Engineering notation
1.285755249 × 10^9
Prime Factorization
3 × 53 × 3121 × 2591
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1285755249
Product of the distinct prime numbers
The prime factorization of 1285755249 is 3 × 53 × 3121 × 2591.
Since it has a total of 4 prime factors.
9 , 9 , 62 , 67 , 13 , 337 , 9723 , 8811 , 93801 , 7335 , 239414 , 191852 , 3898843 , 9056532 , 65781632 , 88147889 , 115132159 , 218475547 , 7779440366 , 1821716500
n×2
2571510498
n×3
3857265747
n×4
5143020996
n×5
6428776245
n÷2
642877624.5
n÷3
428585083
n÷3
321438812.25
n÷5
257151049.8
n2
1653166560331052001
n3
2.1255675824169E+27
n4
2.7329596761968E+36
n5
3.5139172489754E+45
2 √n
35857.429481211
3 √n
1087.3919209806
4 √n
189.36058058955
5 √n
66.348584386922
1 , 3 , 53 , 159 , 2591 , 3121 , 7773 , 9363 , 137323 , 165413 , 411969 , 496239 , 8086511 , 24259533 , 428585083 , 1285755249
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1285755248
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1285755249 can be divided by 16 positive divisors.
The sum of these divisors (counting 1285755249) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100101000110001000101110001
3
Ternary
10022121101010121210
4
Quaternary
1030220301011301
5
Quinary
10113123131444
6
Senary
331330110333
8
Octal
11450610561
10
Decimal
1285755249
12
Duodecimal
2ba71b3a9
16
Hexadecimal
4ca31171
20
Vigesimal
101fj829
36
Base36
l9i73l
md5
8de97d8b7b115b22bc14d651d4fb3d26
sha1
0aae4ad287b6d9b9dd908c09ca6a389cb5c831c6
sha256
861e6648adc3df54d1f93688f4e0e0ef8433b4afbd1224a85e56cc2c7f7d80a8
sha512
b4b0ac0b988faf5dbc0da8208df0c126764186b41e2cff60c01c88c850c09f6bd1d56e8fa8fb0d627a8ececc5017f3b85586556ba058a745a8e663e0abb13b6d
ripemd-160
a69defb797d39f7632a4a76b6714f610bae759ff
Diameter
2571510498
Circumference
8078638489.1458
Area
5.1935759210963E+18
Volume
8.9035566688395E+27
Surface area
2.0774303684385E+19
Circumference
8078638489.1458
Perimeter
5143020996
Area
1653166560331052001
Diagonal
1818332511.0282
Surface area
9.9189993619863E+18
Volume
2.1255675824169E+27
Space diagonal
2226993417.3664
Perimeter
3857265747
Area
7.1584211896682E+17
Altitude
1113496708.6832
Surface area
7.1584211896682E+17
Volume
2.5050054189955E+26
Height
606110837.0094