155386980 is an even 9-digits composite number following 155386979
and preceding 155386981 . In scientific notation, it is written as 1.55386980 × 10^8.
The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors.
There are 35516736 positive integers (up to 155386980) that are relatively prime to 155386980.
155386980 has 24 divisors, whose sum is 366025632
The reverse of 155386980 is 089683551
Previous prime number is 105
Is Prime? no
Number parity even
Number length 9
Sum of Digits 45
Digital Root 9
Name
one hundred fifty-five million three hundred eighty-six thousand nine hundred eighty
Scientific notation
1.55386980 × 10^8
Engineering notation
1.55386980 × 10^6
Prime Factorization
2 × 2 × 3 × 105 × 123323
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
77693490
Product of the distinct prime numbers
The prime factorization of 155386980 is 2 × 2 × 3 × 105 × 123323.
Since it has a total of 5 prime factors.
8 , 7 , 67 , 49 , 439 , 970 , 2315 , 1511 , 23137 , 52864 , 363917 , 747343 , 7582544 , 7935824 , 39428987 , 62146418 , 730173193 , 747826157 , 1421043124 , 4933227334
n×2
310773960
n×3
466160940
n×4
621547920
n×5
776934900
n÷2
77693490
n÷3
51795660
n÷3
38846745
n÷5
31077396
n2
24145113553520400
n3
3.7518362768386E+24
n4
5.8298650851239E+32
n5
9.0588512938485E+40
2 √n
12465.431400477
3 √n
537.61520371809
4 √n
111.64869636712
5 √n
43.479338216296
1 , 2 , 3 , 4 , 6 , 12 , 105 , 210 , 315 , 420 , 630 , 1260 , 123323 , 246646 , 369969 , 493292 , 739938 , 1479876 , 12948915 , 25897830 , 38846745 , 51795660 , 77693490 , 155386980
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-155386979
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 155386980 can be divided by 24 positive divisors.
The sum of these divisors (counting 155386980) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001010000110000010001100100
3
Ternary
101211101110212100
4
Quaternary
21100300101210
5
Quinary
304234340410
6
Senary
23230252100
8
Octal
1120602144
10
Decimal
155386980
12
Duodecimal
44057030
16
Hexadecimal
9430464
20
Vigesimal
28b3790
36
Base36
2kihd0
md5
8aff2e3c70328f4ce0ae72127d306fd4
sha1
667e94ceaed6a61b58dd92154ed8ea4e732f58b4
sha256
18372f04e4de73134d7b84a171d512ce5b1fb5a5fad962666c8164b4d1134271
sha512
1759be89401393fe0ef8ffc94d6ade5428ab65913bd4fdc15bec57d6b591e722552bebda02c4fc88cdd00df18aafb2ff1b98e1d11aa5c2fe74174e3721b04c2c
ripemd-160
81962656da40c8581deb0b9fe3c12fa408a59b8c
Diameter
310773960
Circumference
976325189.66301
Area
7.5854111359831E+16
Volume
1.5715655046384E+25
Surface area
3.0341644543932E+17
Circumference
976325189.66301
Perimeter
621547920
Area
24145113553520400
Diagonal
219750374.5322
Surface area
144870681321122400
Volume
3.7518362768386E+24
Space diagonal
269138144.19469
Perimeter
466160940
Area
1.0455140857304E+16
Altitude
134569072.09734
Surface area
1.0455140857304E+16
Volume
4.4215814554238E+23
Height
73250124.844066