1285220265 is an odd 10-digits composite number following 1285220264
and preceding 1285220266 . In scientific notation, it is written as 1.285220265 × 10^9.
The sum of its digits is 33. It has a total of 4 prime factors and 12 positive divisors.
There are 587528928 positive integers (up to 1285220265) that are relatively prime to 1285220265.
1285220265 has 12 divisors, whose sum is 1594723200
The reverse of 1285220265 is 5620225821
Previous prime number is 7
Is Prime? no Number parity odd Number length 10 Sum of Digits 33 Digital Root 6
Name
one billion two hundred eighty-five million two hundred twenty thousand two hundred sixty-five
Scientific notation
1.285220265 × 10^9
Engineering notation
1.285220265 × 10^9
Prime Factorization
15 × 7 × 7 × 1748599
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
183602895 Product of the distinct prime numbers
The prime factorization of 1285220265 is 15 × 7 × 7 × 1748599.
Since it has a total of 4 prime factors.
7 , 3 , 88 , 66 , 755 , 348 , 9778 , 8361 , 68596 , 474 , 84737 , 673147 , 5497725 , 562193 , 36419118 , 79478938 , 831665286 , 492115931 , 6111639878 , 6628074822
n×2
2570440530
n×3
3855660795
n×4
5140881060
n×5
6426101325
n÷2
642610132.5
n÷3
428406755
n÷3
321305066.25
n÷5
257044053
n2
1651791129566670225
n3
2.1229154332663E+27
n4
2.7284139357151E+36
n5
3.5066128814895E+45
2 √n35849.968828438
3 √n1087.2410840872
4 √n189.34087997165
5 √n66.343062132165
1 , 7 , 15 , 49 , 105 , 735 , 1748599 , 12240193 , 26228985 , 85681351 , 183602895 , 1285220265
12 divisors
τ Total Divisors
12 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1285220264 Sum of the proper positive divisors of n
A Arithmetic Mean
0.083333333333333 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
12 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1285220265 can be divided by 12 positive divisors.
The sum of these divisors (counting 1285220265) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100100110101110011110101001
3
Ternary
10022120100221202120
4
Quaternary
1030212232132221
5
Quinary
10113004022030
6
Senary
331310421453
8
Octal
11446563651
10
Decimal
1285220265
12
Duodecimal
2ba501889
16
Hexadecimal
4c9ae7a9
20
Vigesimal
101ccad5
36
Base36
l96qax
md5
32384679a5696ff54b3fa2af9b0b63d7
sha1
ba77ee8c3390b3affa17795760bcb023feb58ea6
sha256
1dc6c999da1cf9157bb6109015f72e865166f2957f65a538320c071a141bed54
sha512
b03e5460379f256cb664f72977c51b0b2f8a7f2fca60e5b0118d93ca2c4b37e4849185db659668ccb869c8234e6640e55bb45ca37d66685d845eff47f3aab89b
ripemd-160
c9dac80a67dd8a4da9eef66562a5d62ebd0382e8
Diameter
2570440530
Circumference
8075277085.5375
Area
5.1892548779114E+18
Volume
8.8924473724558E+27
Surface area
2.0757019511646E+19
Circumference
8075277085.5375
Perimeter
5140881060
Area
1651791129566670225
Diagonal
1817575929.3997
Surface area
9.9107467774E+18
Volume
2.1229154332663E+27
Space diagonal
2226066797.8971
Perimeter
3855660795
Area
7.1524653997526E+17
Altitude
1113033398.9486
Surface area
7.1524653997526E+17
Volume
2.501879831247E+26
Height
605858643.13325