1285321213 is an odd 10-digits composite number following 1285321212
and preceding 1285321214 . In scientific notation, it is written as 1.285321213 × 10^9.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 1091669040 positive integers (up to 1285321213) that are relatively prime to 1285321213.
1285321213 has 16 divisors, whose sum is 1497171456
The reverse of 1285321213 is 3121235821
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 28
Digital Root 1
Name
one billion two hundred eighty-five million three hundred twenty-one thousand two hundred thirteen
Scientific notation
1.285321213 × 10^9
Engineering notation
1.285321213 × 10^9
Prime Factorization
11 × 43 × 23 × 118147
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1285321213
Product of the distinct prime numbers
The prime factorization of 1285321213 is 11 × 43 × 23 × 118147.
Since it has a total of 4 prime factors.
10 , 10 , 50 , 46 , 326 , 49 , 9122 , 3271 , 22428 , 58338 , 619824 , 66515 , 6589960 , 2874981 , 47198463 , 31499159 , 841771926 , 159533312 , 7898385810 , 1416461468
n×2
2570642426
n×3
3855963639
n×4
5141284852
n×5
6426606065
n÷2
642660606.5
n÷3
428440404.33333
n÷3
321330303.25
n÷5
257064242.6
n2
1652050620587791369
n3
2.1234157075913E+27
n4
2.7292712529845E+36
n5
3.5079902374921E+45
2 √n
35851.376723914
3 √n
1087.2695492312
4 √n
189.34459782078
5 √n
66.344104286451
1 , 11 , 23 , 43 , 253 , 473 , 989 , 10879 , 118147 , 1299617 , 2717381 , 5080321 , 29891191 , 55883531 , 116847383 , 1285321213
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
-1285321212
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 1285321213 can be divided by 16 positive divisors.
The sum of these divisors (counting 1285321213) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100100111000111000111111101
3
Ternary
10022120120002020101
4
Quaternary
1030213013013331
5
Quinary
10113020234323
6
Senary
331312521101
8
Octal
11447070775
10
Decimal
1285321213
12
Duodecimal
2ba550191
16
Hexadecimal
4c9c71fd
20
Vigesimal
101d530d
36
Base36
l98w71
md5
84720034d19522e1feb06ac69732ecaf
sha1
3661ac8466c82ffecbda6c6335c40ace69e62160
sha256
5f99d118b59b79dba81fba5f662970eff7ae8fee9a9c930e83dedea40c428d0d
sha512
a35c4c48cb5afec45bfff8a6808dc50869e23cea443ec419808b8de00641714d23bc2073009a1ec5d5bc179a2a45d50cb7b4b8a57066e2ddbfbcf4ef728fb936
ripemd-160
d282984282fd45993747ab8bd67c4de1f08308ea
Diameter
2570642426
Circumference
8075911360.5278
Area
5.1900700929971E+18
Volume
8.894542916648E+27
Surface area
2.0760280371988E+19
Circumference
8075911360.5278
Perimeter
5141284852
Area
1652050620587791369
Diagonal
1817718691.4304
Surface area
9.9123037235267E+18
Volume
2.1234157075913E+27
Space diagonal
2226241644.9621
Perimeter
3855963639
Area
7.1535890288344E+17
Altitude
1113120822.481
Surface area
7.1535890288344E+17
Volume
2.5024694101931E+26
Height
605906230.47681