155054985 is an odd 9-digits composite number following 155054984
and preceding 155054986 . In scientific notation, it is written as 1.55054985 × 10^8.
The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors.
There are 80455680 positive integers (up to 155054985) that are relatively prime to 155054985.
155054985 has 32 divisors, whose sum is 254900352
The reverse of 155054985 is 589450551
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred fifty-five million fifty-four thousand nine hundred eighty-five
Scientific notation
1.55054985 × 10^8
Engineering notation
1.55054985 × 10^6
Prime Factorization
3 × 5 × 97 × 61 × 1747
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
155054985
Product of the distinct prime numbers
The prime factorization of 155054985 is 3 × 5 × 97 × 61 × 1747.
Since it has a total of 5 prime factors.
4 , 1 , 22 , 88 , 523 , 816 , 7484 , 3234 , 68542 , 31376 , 656401 , 651492 , 2687193 , 1517971 , 19250854 , 56097060 , 540645761 , 337660747 , 4922135758 , 8399422761
n×2
310109970
n×3
465164955
n×4
620219940
n×5
775274925
n÷2
77527492.5
n÷3
51684995
n÷3
38763746.25
n÷5
31010997
n2
24042048373350225
n3
3.7278394498991E+24
n4
5.7802008998651E+32
n5
8.9624896382557E+40
2 √n
12452.107652924
3 √n
537.23204672036
4 √n
111.58901224101
5 √n
43.460742996525
1 , 3 , 5 , 15 , 61 , 97 , 183 , 291 , 305 , 485 , 915 , 1455 , 1747 , 5241 , 5917 , 8735 , 17751 , 26205 , 29585 , 88755 , 106567 , 169459 , 319701 , 508377 , 532835 , 847295 , 1598505 , 2541885 , 10336999 , 31010997 , 51684995 , 155054985
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-155054984
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 155054985 can be divided by 32 positive divisors.
The sum of these divisors (counting 155054985) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001001111011111001110001001
3
Ternary
101210202121110020
4
Quaternary
21033133032021
5
Quinary
304143224420
6
Senary
23215211053
8
Octal
1117371611
10
Decimal
155054985
12
Duodecimal
43b16a89
16
Hexadecimal
93df389
20
Vigesimal
2891h95
36
Base36
2kbd6x
md5
5df624dadf7288b39fa7e5db27089d89
sha1
9db3922573307f2b36a35026bdbd5349c948ac3c
sha256
4dd7d949f9dda3907518112ac5ab2a215fd48047e9899d929539fd122609a665
sha512
4110c71def3898de3d71b77e2fb2f5e7de9a5b34ad33738ce117b71c251d314d80d9207c412c4df86bfb47dc942a71899a0f32b9c56d3569fa96397c8aad9d4a
ripemd-160
ebe9e83eb6c23bb4d58b4d6279fc55451b2e7674
Diameter
310109970
Circumference
974239203.55695
Area
7.5530322546968E+16
Volume
1.5615137372754E+25
Surface area
3.0212129018787E+17
Circumference
974239203.55695
Perimeter
620219940
Area
24042048373350225
Diagonal
219280862.70056
Surface area
144252290240101350
Volume
3.7278394498991E+24
Space diagonal
268563111.98683
Perimeter
465164955
Area
1.0410512325168E+16
Altitude
134281555.99342
Surface area
1.0410512325168E+16
Volume
4.393300923664E+23
Height
73093620.900186