1280821055 is an odd 10-digits composite number following 1280821054
and preceding 1280821056 . In scientific notation, it is written as 1.280821055 × 10^9.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 946183680 positive integers (up to 1280821055) that are relatively prime to 1280821055.
1280821055 has 16 divisors, whose sum is 1658107584
The reverse of 1280821055 is 5501280821
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 32
Digital Root 5
Name
one billion two hundred eighty million eight hundred twenty-one thousand fifty-five
Scientific notation
1.280821055 × 10^9
Engineering notation
1.280821055 × 10^9
Prime Factorization
17 × 5 × 53 × 284311
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1280821055
Product of the distinct prime numbers
The prime factorization of 1280821055 is 17 × 5 × 53 × 284311.
Since it has a total of 4 prime factors.
6 , 2 , 42 , 7 , 331 , 198 , 4467 , 980 , 81088 , 64299 , 213735 , 628501 , 5362983 , 9582115 , 3607232 , 51694069 , 779398559 , 154826318 , 3804277479 , 6970093003
n×2
2561642110
n×3
3842463165
n×4
5123284220
n×5
6404105275
n÷2
640410527.5
n÷3
426940351.66667
n÷3
320205263.75
n÷5
256164211
n2
1640502574931313025
n3
2.1011902387537E+27
n4
2.6912486983563E+36
n5
3.4470079970961E+45
2 √n
35788.560392952
3 √n
1085.9991518251
4 √n
189.17864676795
5 √n
66.29758238139
1 , 5 , 17 , 53 , 85 , 265 , 901 , 4505 , 284311 , 1421555 , 4833287 , 15068483 , 24166435 , 75342415 , 256164211 , 1280821055
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
-1280821054
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 1280821055 can be divided by 16 positive divisors.
The sum of these divisors (counting 1280821055) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100010101111100011100111111
3
Ternary
10022021002110011212
4
Quaternary
1030111330130333
5
Quinary
10110342233210
6
Senary
331032235035
8
Octal
11425743477
10
Decimal
1280821055
12
Duodecimal
2b8b3ba7b
16
Hexadecimal
4c57c73f
20
Vigesimal
10052ccf
36
Base36
l6kfun
md5
2c549da6eada80d092288efad9731350
sha1
93fe9d9447bd066caf7f8f5fb9bd4a877c3a7208
sha256
f6b580a2bc1b27bc2434e5589b40965d91cd7459e405cd04cfa12ecd3f2ae969
sha512
ebc8dde75497e50112f597543a14c48206e6b5192a0236417e92df227d191fb9ae476beef33a4468d9cde1a391be13bda93eeae4d31e5a222599142705b5c1f9
ripemd-160
d1cdffacdf7350e312cfda2cbae22c264107e6af
Diameter
2561642110
Circumference
8047636033.9023
Area
5.1537908375994E+18
Volume
8.8014450904844E+27
Surface area
2.0615163350397E+19
Circumference
8047636033.9023
Perimeter
5123284220
Area
1640502574931313025
Diagonal
1811354506.954
Surface area
9.8430154495879E+18
Volume
2.1011902387537E+27
Space diagonal
2218447142.664
Perimeter
3842463165
Area
7.1035845243215E+17
Altitude
1109223571.332
Surface area
7.1035845243215E+17
Volume
2.4762764439763E+26
Height
603784835.65134