1285331212 is an even 10-digits composite number following 1285331211
and preceding 1285331213 . In scientific notation, it is written as 1.285331212 × 10^9.
The sum of its digits is 28. It has a total of 5 prime factors and 18 positive divisors.
There are 584241240 positive integers (up to 1285331212) that are relatively prime to 1285331212.
1285331212 has 18 divisors, whose sum is 2472404564
The reverse of 1285331212 is 2121335821
Previous prime number is 11
Is Prime? no
Number parity even
Number length 10
Sum of Digits 28
Digital Root 1
Name
one billion two hundred eighty-five million three hundred thirty-one thousand two hundred twelve
Scientific notation
1.285331212 × 10^9
Engineering notation
1.285331212 × 10^9
Prime Factorization
2 × 2 × 11 × 11 × 2655643
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
58424146
Product of the distinct prime numbers
The prime factorization of 1285331212 is 2 × 2 × 11 × 11 × 2655643.
Since it has a total of 5 prime factors.
7 , 5 , 19 , 40 , 653 , 643 , 6744 , 8954 , 58931 , 67039 , 432895 , 522801 , 5640738 , 1099421 , 47421310 , 83383253 , 28080785 , 674440657 , 4686897224 , 766561216
n×2
2570662424
n×3
3855993636
n×4
5141324848
n×5
6426656060
n÷2
642665606
n÷3
428443737.33333
n÷3
321332803
n÷5
257066242.4
n2
1652076324541388944
n3
2.1234652645393E+27
n4
2.7293561821102E+36
n5
3.5081266895314E+45
2 √n
35851.516174354
3 √n
1087.2723686509
4 √n
189.34496606552
5 √n
66.344207509307
1 , 2 , 4 , 11 , 22 , 44 , 121 , 242 , 484 , 2655643 , 5311286 , 10622572 , 29212073 , 58424146 , 116848292 , 321332803 , 642665606 , 1285331212
18 divisors
τ
Total Divisors
18
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1285331211
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.055555555555556
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
18
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1285331212 can be divided by 18 positive divisors.
The sum of these divisors (counting 1285331212) is 1, the average is 0.055555555555556.
Base
System
Value
2
Binary
1001100100111001001100100001100
3
Ternary
10022120120120221201
4
Quaternary
1030213021210030
5
Quinary
10113021044322
6
Senary
331313035244
8
Octal
11447114414
10
Decimal
1285331212
12
Duodecimal
2ba555b24
16
Hexadecimal
4c9c990c
20
Vigesimal
101d680c
36
Base36
l993ws
md5
c5441b73fb116e64df757a5b8ba33af9
sha1
22d137aa6a2460f01bdff37d0568c738909f2c8e
sha256
b28b1f7a0b12c91bc900a5e1b2d90f29fede0d940f58e2738ff4e1cdeebc4005
sha512
c3f9fd95487628b261605d95c622108fa3b4f4af8e108002f4102a05881de7a6593b44260b426c6bee10216f41e90139f44a3bd87fec6d69ae5a22ea0133793c
ripemd-160
1422af40f0b22c9283b101c1bf00c23b4a82e4a4
Diameter
2570662424
Circumference
8075974186.0977
Area
5.1901508443489E+18
Volume
8.8947505003063E+27
Surface area
2.0760603377395E+19
Circumference
8075974186.0977
Perimeter
5141324848
Area
1652076324541388944
Diagonal
1817732832.1518
Surface area
9.9124579472483E+18
Volume
2.1234652645393E+27
Space diagonal
2226258963.7381
Perimeter
3855993636
Area
7.1537003302183E+17
Altitude
1113129481.869
Surface area
7.1537003302183E+17
Volume
2.5025278136164E+26
Height
605910944.05062