155280 is an even 6-digits composite number following 155279
and preceding 155281 . In scientific notation, it is written as 1.55280 × 10^5.
The sum of its digits is 21. It has a total of 6 prime factors and 20 positive divisors.
There are 41344 positive integers (up to 155280) that are relatively prime to 155280.
155280 has 20 divisors, whose sum is 321408
The reverse of 155280 is 082551
Previous prime number is 15
Is Prime? no
Number parity even
Number length 6
Sum of Digits 21
Digital Root 3
Name
one hundred fifty-five thousand two hundred eighty
Scientific notation
1.55280 × 10^5
Engineering notation
1.55280 × 10^3
Prime Factorization
2 × 2 × 2 × 2 × 15 × 647
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
19410
Product of the distinct prime numbers
The prime factorization of 155280 is 2 × 2 × 2 × 2 × 15 × 647.
Since it has a total of 6 prime factors.
6 , 8 , 91 , 35 , 109 , 926 , 8230 , 175 , 76343 , 16198 , 624179 , 726231 , 5071521 , 2597507 , 11476340 , 55488428 , 388372800 , 380744792 , 4329752560 , 8115224984
n×2
310560
n×3
465840
n×4
621120
n×5
776400
n÷2
77640
n÷3
51760
n÷3
38820
n÷5
31056
n2
24111878400
n3
3744092477952000
n4
5.8138267997639E+20
n5
9.0277102546733E+25
2 √n
394.05583360737
3 √n
53.749179724277
4 √n
19.850839619708
5 √n
10.920011719916
1 , 2 , 4 , 8 , 15 , 16 , 30 , 60 , 120 , 240 , 647 , 1294 , 2588 , 5176 , 9705 , 10352 , 19410 , 38820 , 77640 , 155280
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-155279
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 155280 can be divided by 20 positive divisors.
The sum of these divisors (counting 155280) is 1, the average is 0.05.
Base
System
Value
2
Binary
100101111010010000
3
Ternary
21220000010
4
Quaternary
211322100
5
Quinary
14432110
6
Senary
3154520
8
Octal
457220
10
Decimal
155280
12
Duodecimal
75a40
16
Hexadecimal
25e90
20
Vigesimal
j840
36
Base36
3btc
md5
77aaf6dea3b99171fccb5da62c98f176
sha1
ec93546606a8c2fd9b50386b6d0cd8d44e7dd232
sha256
1b89a8c32c27c75253b1760fd00e618385a61b1d22ef7df5702be10d0d58726e
sha512
59531ef45ea4f1494d3e54c713d66c8aa77f0494071b9fbc3af11934494b484bda77a3faf633c2f9ad8bd94f678905cf31a7c637de843da45eacb0d6482211a4
ripemd-160
e8ed6cc7ca85a575329814993be2d186727b544d
Diameter
310560
Circumference
975653.01449885
Area
75749700045.69
Volume
1.568321789746E+16
Surface area
302998800182.76
Circumference
975653.01449885
Perimeter
621120
Area
24111878400
Diagonal
219599.08196529
Surface area
144671270400
Volume
3744092477952000
Space diagonal
268952.8493993
Perimeter
465840
Area
10440749613.681
Altitude
134476.42469965
Surface area
10440749613.681
Volume
4.4124553009157E+14
Height
73199.693988431