155607561 is an odd 9-digits composite number following 155607560
and preceding 155607562 . In scientific notation, it is written as 1.55607561 × 10^8.
The sum of its digits is 36. It has a total of 5 prime factors and 20 positive divisors.
There are 103273056 positive integers (up to 155607561) that are relatively prime to 155607561.
155607561 has 20 divisors, whose sum is 233493700
The reverse of 155607561 is 165706551
Previous prime number is 229
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
one hundred fifty-five million six hundred seven thousand five hundred sixty-one
Scientific notation
1.55607561 × 10^8
Engineering notation
1.55607561 × 10^6
Prime Factorization
3 × 3 × 9 × 229 × 8389
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
51869187
Product of the distinct prime numbers
The prime factorization of 155607561 is 3 × 3 × 9 × 229 × 8389.
Since it has a total of 5 prime factors.
5 , 3 , 92 , 13 , 689 , 243 , 3788 , 719 , 29586 , 5630 , 587162 , 961716 , 5086899 , 5517704 , 53874206 , 85209958 , 781623123 , 299633483 , 2329531812 , 3561934653
n×2
311215122
n×3
466822683
n×4
622430244
n×5
778037805
n÷2
77803780.5
n÷3
51869187
n÷3
38901890.25
n÷5
31121512.2
n2
24213713040368721
n3
3.7678368289657E+24
n4
5.8630389920132E+32
n5
9.1233319759508E+40
2 √n
12474.275970973
3 √n
537.86947562122
4 √n
111.68829827235
5 √n
43.491675510838
1 , 3 , 9 , 27 , 81 , 229 , 687 , 2061 , 6183 , 8389 , 18549 , 25167 , 75501 , 226503 , 679509 , 1921081 , 5763243 , 17289729 , 51869187 , 155607561
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
-155607560
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 155607561 can be divided by 20 positive divisors.
The sum of these divisors (counting 155607561) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001010001100110001000001001
3
Ternary
101211210200110000
4
Quaternary
21101212020021
5
Quinary
304313420221
6
Senary
23235113213
8
Octal
1121461011
10
Decimal
155607561
12
Duodecimal
44142809
16
Hexadecimal
9466209
20
Vigesimal
28caii1
36
Base36
2kn7k9
md5
270c18b19bed1c35f8dd18518a610d83
sha1
d34cf156d2475b7fddabe08215f78e8445fa9d31
sha256
c5dabb2e2d477ca0008099529c8afe1f728d89ea4bd1f1da885ba72191256fc3
sha512
15937e8959d59426b4d31a7d73595750397de6baf4894ed54328caa2aa8c37ced3730aae22432f96ee0525d9e95db8fff09657803928367cd9b5d72200d3dfe9
ripemd-160
3235cda851cc5c34d1f3471df1fbc56be0076d24
Diameter
311215122
Circumference
977711140.96125
Area
7.6069623003754E+16
Volume
1.5782678002405E+25
Surface area
3.0427849201501E+17
Circumference
977711140.96125
Perimeter
622430244
Area
24213713040368721
Diagonal
220062323.174
Surface area
145282278242212326
Volume
3.7678368289657E+24
Space diagonal
269520201.69387
Perimeter
466822683
Area
1.0484845306453E+16
Altitude
134760100.84694
Surface area
1.0484845306453E+16
Volume
4.4404382869434E+23
Height
73354107.724666