1285685240 is an even 10-digits composite number following 1285685239
and preceding 1285685241 . In scientific notation, it is written as 1.285685240 × 10^9.
The sum of its digits is 41. It has a total of 5 prime factors and 16 positive divisors.
There are 437833728 positive integers (up to 1285685240) that are relatively prime to 1285685240.
1285685240 has 16 divisors, whose sum is 2411200320
The reverse of 1285685240 is 0425865821
Previous prime number is 5215
Is Prime? no
Number parity even
Number length 10
Sum of Digits 41
Digital Root 5
Name
one billion two hundred eighty-five million six hundred eighty-five thousand two hundred forty
Scientific notation
1.285685240 × 10^9
Engineering notation
1.285685240 × 10^9
Prime Factorization
2 × 2 × 2 × 5215 × 30817
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
321421310
Product of the distinct prime numbers
The prime factorization of 1285685240 is 2 × 2 × 2 × 5215 × 30817.
Since it has a total of 5 prime factors.
5 , 3 , 8 , 9 , 84 , 189 , 549 , 1282 , 32435 , 93403 , 934122 , 311568 , 4459540 , 7491439 , 91006478 , 67612752 , 734830903 , 170092135 , 5082747800 , 6333687542
n×2
2571370480
n×3
3857055720
n×4
5142740960
n×5
6428426200
n÷2
642842620
n÷3
428561746.66667
n÷3
321421310
n÷5
257137048
n2
1652986536353857600
n3
2.1252203917089E+27
n4
2.7323644893671E+36
n5
3.5129606942794E+45
2 √n
35856.45325461
3 √n
1087.3721845643
4 √n
189.35800287976
5 √n
66.347861838954
1 , 2 , 4 , 8 , 5215 , 10430 , 20860 , 30817 , 41720 , 61634 , 123268 , 246536 , 160710655 , 321421310 , 642842620 , 1285685240
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
-1285685239
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 1285685240 can be divided by 16 positive divisors.
The sum of these divisors (counting 1285685240) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100101000011111111111111000
3
Ternary
10022121020120120212
4
Quaternary
1030220133333320
5
Quinary
10113113411430
6
Senary
331324410252
8
Octal
11450377770
10
Decimal
1285685240
12
Duodecimal
2ba6a6988
16
Hexadecimal
4ca1fff8
20
Vigesimal
101fad20
36
Base36
l9gp2w
md5
aebdf84859db462eb63ea4f4f3123b6d
sha1
0608cd04556d9fff49407a8b55c721802381fec8
sha256
fc813646d404d8670a9bcbf980e4f3f526e21aeb32c6ae66c47be8aa94776854
sha512
fc8184115cd08aea8078ce5e8b5fc4d7dbe3d261c479225387686e63c886826984497bb47f1481f39410860d73e91a42f890bad21ae7afed12b1a3520dc82e78
ripemd-160
a1ec26f2fadb4a49749a4881fae039f417d330d8
Diameter
2571370480
Circumference
8078198609.6257
Area
5.1930103590921E+18
Volume
8.9021023598024E+27
Surface area
2.0772041436368E+19
Circumference
8078198609.6257
Perimeter
5142740960
Area
1652986536353857600
Diagonal
1818233503.3509
Surface area
9.9179192181231E+18
Volume
2.1252203917089E+27
Space diagonal
2226872158.2214
Perimeter
3857055720
Area
7.1576416629805E+17
Altitude
1113436079.1107
Surface area
7.1576416629805E+17
Volume
2.5045962508221E+26
Height
606077834.4503