1285685245 is an odd 10-digits composite number following 1285685244
and preceding 1285685246 . In scientific notation, it is written as 1.285685245 × 10^9.
The sum of its digits is 46. It has a total of 5 prime factors and 24 positive divisors.
There are 944798400 positive integers (up to 1285685245) that are relatively prime to 1285685245.
1285685245 has 24 divisors, whose sum is 1678780512
The reverse of 1285685245 is 5425865821
Previous prime number is 211
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 46
Digital Root 1
Name
one billion two hundred eighty-five million six hundred eighty-five thousand two hundred forty-five
Scientific notation
1.285685245 × 10^9
Engineering notation
1.285685245 × 10^9
Prime Factorization
5 × 13 × 13 × 211 × 7211
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
98898865
Product of the distinct prime numbers
The prime factorization of 1285685245 is 5 × 13 × 13 × 211 × 7211.
Since it has a total of 5 prime factors.
10 , 9 , 19 , 38 , 279 , 980 , 1750 , 4467 , 91641 , 87223 , 38067 , 75513 , 3301026 , 2287326 , 40021040 , 62397134 , 619584416 , 734028628 , 8700413760 , 3561528563
n×2
2571370490
n×3
3857055735
n×4
5142740980
n×5
6428426225
n÷2
642842622.5
n÷3
428561748.33333
n÷3
321421311.25
n÷5
257137049
n2
1652986549210710025
n3
2.1252204165037E+27
n4
2.7323645318715E+36
n5
3.5129607625886E+45
2 √n
35856.453324332
3 √n
1087.3721859739
4 √n
189.35800306386
5 √n
66.347861890559
1 , 5 , 13 , 65 , 169 , 211 , 845 , 1055 , 2743 , 7211 , 13715 , 35659 , 36055 , 93743 , 178295 , 468715 , 1218659 , 1521521 , 6093295 , 7607605 , 19779773 , 98898865 , 257137049 , 1285685245
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1285685244
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1285685245 can be divided by 24 positive divisors.
The sum of these divisors (counting 1285685245) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100101000011111111111111101
3
Ternary
10022121020120121001
4
Quaternary
1030220133333331
5
Quinary
10113113411440
6
Senary
331324410301
8
Octal
11450377775
10
Decimal
1285685245
12
Duodecimal
2ba6a6991
16
Hexadecimal
4ca1fffd
20
Vigesimal
101fad25
36
Base36
l9gp31
md5
f24fbf91fbc9f2c0df84109c51a3889f
sha1
80aecb58d0b7d0f1b7db6555dc32d1230f8aed6a
sha256
dbe8a66812ca7690a95e82cfc2d1c205551bc18718df1ab5a985b4d39825d462
sha512
c9492933b5d4e12bb8ba35b1f317567c4c7c4949650f9a48b538d0ea0afed1d73d784b6c5fc062ae99a76b6572624a6b9aa964c8b0ed86298b23d37f63ba29f7
ripemd-160
35a58359893168cd076f15815fc9fa15394b013c
Diameter
2571370490
Circumference
8078198641.0416
Area
5.1930103994831E+18
Volume
8.9021024636627E+27
Surface area
2.0772041597932E+19
Circumference
8078198641.0416
Perimeter
5142740980
Area
1652986549210710025
Diagonal
1818233510.422
Surface area
9.9179192952643E+18
Volume
2.1252204165037E+27
Space diagonal
2226872166.8816
Perimeter
3857055735
Area
7.1576417186523E+17
Altitude
1113436083.4408
Surface area
7.1576417186523E+17
Volume
2.5045962800431E+26
Height
606077836.80733