155115561 is an odd 9-digits composite number following 155115560
and preceding 155115562 . In scientific notation, it is written as 1.55115561 × 10^8.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 103410372 positive integers (up to 155115561) that are relatively prime to 155115561.
155115561 has 4 divisors, whose sum is 206820752
The reverse of 155115561 is 165511551
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 30
Digital Root 3
Name
one hundred fifty-five million one hundred fifteen thousand five hundred sixty-one
Scientific notation
1.55115561 × 10^8
Engineering notation
1.55115561 × 10^6
Prime Factorization
3 × 51705187
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
155115561
Product of the distinct prime numbers
The prime factorization of 155115561 is 3 × 51705187.
Since it has a total of 2 prime factors.
1 , 8 , 10 , 92 , 409 , 996 , 8978 , 4182 , 46548 , 43558 , 789587 , 255865 , 8333816 , 5622409 , 34081055 , 92568075 , 783901064 , 446515391 , 5001062709 , 2321609121
n×2
310231122
n×3
465346683
n×4
620462244
n×5
775577805
n÷2
77557780.5
n÷3
51705187
n÷3
38778890.25
n÷5
31023112.2
n2
24060837264344721
n3
3.7322102703885E+24
n4
5.7892388986128E+32
n5
8.9800103952135E+40
2 √n
12454.539774717
3 √n
537.30199853225
4 √n
111.59990938489
5 √n
43.464138265186
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-155115560
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 155115561 can be divided by 4 positive divisors.
The sum of these divisors (counting 155115561) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001001111101110000000101001
3
Ternary
101210212200112210
4
Quaternary
21033232000221
5
Quinary
304202144221
6
Senary
23220355333
8
Octal
1117560051
10
Decimal
155115561
12
Duodecimal
43b45b49
16
Hexadecimal
93ee029
20
Vigesimal
28998i1
36
Base36
2kcnxl
md5
366864cfc5f6531fa49a38a273e10aa9
sha1
2cd21a3f1ad2ae97535a1032eea6310fbbc3aa2f
sha256
eb6dfc2a902ebf4d664aee4f171d070d79969c2a9d913a42a1e85f58bcae6bd7
sha512
92ffe9ad70745f68ec839e60a1f2acc0ec5c2016668d18416355ee059aecd790ebe35bd370c488172b84dff9e00256582a8ee3fab617ee8c29ca8481ecb753b6
ripemd-160
15671a806b6986a184445a71db1bf3a0a3a0fe34
Diameter
310231122
Circumference
974619813.79012
Area
7.5589349588885E+16
Volume
1.5633445822807E+25
Surface area
3.0235739835554E+17
Circumference
974619813.79012
Perimeter
620462244
Area
24060837264344721
Diagonal
219366530.10131
Surface area
144365023586068326
Volume
3.7322102703885E+24
Space diagonal
268668032.69655
Perimeter
465346683
Area
1.0418648153623E+16
Altitude
134334016.34827
Surface area
1.0418648153623E+16
Volume
4.3984519850097E+23
Height
73122176.700437