155387079 is an odd 9-digits composite number following 155387078
and preceding 155387080 . In scientific notation, it is written as 1.55387079 × 10^8.
The sum of its digits is 45. It has a total of 5 prime factors and 28 positive divisors.
There are 101161872 positive integers (up to 155387079) that are relatively prime to 155387079.
155387079 has 28 divisors, whose sum is 238440136
The reverse of 155387079 is 970783551
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
one hundred fifty-five million three hundred eighty-seven thousand seventy-nine
Scientific notation
1.55387079 × 10^8
Engineering notation
1.55387079 × 10^6
Prime Factorization
3 × 27 × 9 × 43 × 4957
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
155387079
Product of the distinct prime numbers
The prime factorization of 155387079 is 3 × 27 × 9 × 43 × 4957.
Since it has a total of 5 prime factors.
4 , 9 , 72 , 2 , 42 , 314 , 8606 , 3408 , 50117 , 76049 , 189568 , 451736 , 7773772 , 5764597 , 30204513 , 97086700 , 422745046 , 45720172 , 9588612708 , 6478844881
n×2
310774158
n×3
466161237
n×4
621548316
n×5
776935395
n÷2
77693539.5
n÷3
51795693
n÷3
38846769.75
n÷5
31077415.8
n2
24145144320152241
n3
3.7518434479419E+24
n4
5.8298799424098E+32
n5
9.0588801517175E+40
2 √n
12465.435371458
3 √n
537.61531789302
4 √n
111.64871415049
5 √n
43.479343756597
1 , 3 , 9 , 27 , 43 , 81 , 129 , 243 , 387 , 729 , 1161 , 3483 , 4957 , 10449 , 14871 , 31347 , 44613 , 133839 , 213151 , 401517 , 639453 , 1204551 , 1918359 , 3613653 , 5755077 , 17265231 , 51795693 , 155387079
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-155387078
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 155387079 can be divided by 28 positive divisors.
The sum of these divisors (counting 155387079) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
1001010000110000010011000111
3
Ternary
101211101111000000
4
Quaternary
21100300103013
5
Quinary
304234341304
6
Senary
23230252343
8
Octal
1120602307
10
Decimal
155387079
12
Duodecimal
440570b3
16
Hexadecimal
94304c7
20
Vigesimal
28b37dj
36
Base36
2kihfr
md5
009e757b37c603f90e1399119e766db0
sha1
8a151fe161d775bbddb7debbc285568d6abd3910
sha256
597e0ea77b6ff7371cda8f3ce8384ec059c8986cd04cde5af63c6b14bfae4f47
sha512
3d71bbf5634bd6950865a03bab4ad380c3b9363bda4c3b7a70dfb70e05269d14e57a3c5190eb22665faec93b57366e014c895bc15bd45aeeb123d587fa6f3945
ripemd-160
9226fe3ada5741d8ae131ad179589e2dce441db7
Diameter
310774158
Circumference
976325811.69835
Area
7.5854208016056E+16
Volume
1.5715685084631E+25
Surface area
3.0341683206422E+17
Circumference
976325811.69835
Perimeter
621548316
Area
24145144320152241
Diagonal
219750514.53934
Surface area
144870865920913446
Volume
3.7518434479419E+24
Space diagonal
269138315.66772
Perimeter
466161237
Area
1.0455154179647E+16
Altitude
134569157.83386
Surface area
1.0455154179647E+16
Volume
4.4215899066501E+23
Height
73250171.513113