280055145 is an odd 9-digits composite number following 280055144
and preceding 280055146 . In scientific notation, it is written as 2.80055145 × 10^8.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 149362736 positive integers (up to 280055145) that are relatively prime to 280055145.
280055145 has 4 divisors, whose sum is 298725504
The reverse of 280055145 is 541550082
Previous prime number is 15
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 30
Digital Root 3
Name
two hundred eighty million fifty-five thousand one hundred forty-five
Scientific notation
2.80055145 × 10^8
Engineering notation
2.80055145 × 10^6
Prime Factorization
15 × 18670343
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
280055145
Product of the distinct prime numbers
The prime factorization of 280055145 is 15 × 18670343.
Since it has a total of 2 prime factors.
8 , 7 , 89 , 68 , 941 , 765 , 3964 , 3814 , 6075 , 59215 , 649399 , 361262 , 7833554 , 2476693 , 63264759 , 9551038 , 592618062 , 41925852 , 7374423116 , 311070164
n×2
560110290
n×3
840165435
n×4
1120220580
n×5
1400275725
n÷2
140027572.5
n÷3
93351715
n÷3
70013786.25
n÷5
56011029
n2
78430884240971025
n3
2.1964972658583E+25
n4
6.1514036028206E+33
n5
1.7227322279414E+42
2 √n
16734.8482216
3 √n
654.25620754035
4 √n
129.36324138487
5 √n
48.915749370076
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-280055144
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 280055145 can be divided by 4 positive divisors.
The sum of these divisors (counting 280055145) is 1, the average is 0.25.
Base
System
Value
2
Binary
10000101100010100110101101001
3
Ternary
201111222021102210
4
Quaternary
100230110311221
5
Quinary
1033143231040
6
Senary
43442315333
8
Octal
2054246551
10
Decimal
280055145
12
Duodecimal
79958b49
16
Hexadecimal
10b14d69
20
Vigesimal
47a6hh5
36
Base36
4mqjxl
md5
7acc10d44142f9aaff9d74dd22049ac6
sha1
72df58fa6c720cca9166bbc7b40ccceab633d7ea
sha256
102dc135a3f01e60839e451fc01adff224138923a078c2d2a4c41d1db288baf4
sha512
25bf2b490e59d9f8a2550dd9e43b0a2648340d118dbd9f1fde1b92c4ac1752ecf12618838c5dbfd4ed47be9b6921980074919e78d113714d0c5fdb5731ce90aa
ripemd-160
130fbaebd6fc6410d9db9b513043256ef2dbd7b3
Diameter
560110290
Circumference
1759638372.264
Area
2.4639788974599E+17
Volume
9.2006662320675E+25
Surface area
9.8559155898394E+17
Circumference
1759638372.264
Perimeter
1120220580
Area
78430884240971025
Diagonal
396057784.27136
Surface area
470585305445826150
Volume
2.1964972658583E+25
Space diagonal
485069740.06107
Perimeter
840165435
Area
3.3961569096979E+16
Altitude
242534870.03053
Surface area
3.3961569096979E+16
Volume
2.5885968525769E+24
Height
132019261.42379