155121108 is an even 9-digits composite number following 155121107
and preceding 155121109 . In scientific notation, it is written as 1.55121108 × 10^8.
The sum of its digits is 24. It has a total of 5 prime factors and 24 positive divisors.
There are 49256064 positive integers (up to 155121108) that are relatively prime to 155121108.
155121108 has 24 divisors, whose sum is 276526600
The reverse of 155121108 is 801121551
Previous prime number is 277
Is Prime? no
Number parity even
Number length 9
Sum of Digits 24
Digital Root 6
Name
one hundred fifty-five million one hundred twenty-one thousand one hundred eight
Scientific notation
1.55121108 × 10^8
Engineering notation
1.55121108 × 10^6
Prime Factorization
2 × 2 × 69 × 277 × 2029
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
77560554
Product of the distinct prime numbers
The prime factorization of 155121108 is 2 × 2 × 69 × 277 × 2029.
Since it has a total of 5 prime factors.
9 , 10 , 70 , 31 , 461 , 341 , 5061 , 1238 , 63300 , 10245 , 955169 , 378966 , 6851007 , 3831316 , 4149389 , 95244999 , 234678033 , 379329137 , 7911526554 , 6262365835
n×2
310242216
n×3
465363324
n×4
620484432
n×5
775605540
n÷2
77560554
n÷3
51707036
n÷3
38780277
n÷5
31024221.6
n2
24062558147147664
n3
3.7326106811E+24
n4
5.7900670458486E+32
n5
8.9816161554633E+40
2 √n
12454.762462608
3 √n
537.30840317371
4 √n
111.60090708685
5 √n
43.464449120041
1 , 2 , 4 , 69 , 138 , 276 , 277 , 554 , 1108 , 2029 , 4058 , 8116 , 19113 , 38226 , 76452 , 140001 , 280002 , 560004 , 562033 , 1124066 , 2248132 , 38780277 , 77560554 , 155121108
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
-155121107
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 155121108 can be divided by 24 positive divisors.
The sum of these divisors (counting 155121108) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001001111101111010111010100
3
Ternary
101210212222011020
4
Quaternary
21033233113110
5
Quinary
304202333413
6
Senary
23220441140
8
Octal
1117572724
10
Decimal
155121108
12
Duodecimal
43b491b0
16
Hexadecimal
93ef5d4
20
Vigesimal
289a2f8
36
Base36
2kcs7o
md5
0b089bec4de67341851617b174e85d20
sha1
85a8bfabd920b5c695c3c16750c1becc5cb5285c
sha256
60a9da50cbd3cac19f8cb5c48eb2e827bc138c734e4abd4ac1d3f3d9731b1456
sha512
63d4afb7f013e164bbf16ed5e8b40d96d19f38997158067b5d551c637911d0d8cb14cdb5d4951b5a6371f183294f3bedfcb0d032aedeb275218dba3cef186fcc
ripemd-160
cf70d832d3e40c263b6cb61fee88da4c46296565
Diameter
310242216
Circumference
974654666.61902
Area
7.5594755901656E+16
Volume
1.5635123059273E+25
Surface area
3.0237902360663E+17
Circumference
974654666.61902
Perimeter
620484432
Area
24062558147147664
Diagonal
219374374.74394
Surface area
144375348882885984
Volume
3.7326106811E+24
Space diagonal
268677640.38238
Perimeter
465363324
Area
1.0419393317735E+16
Altitude
134338820.19119
Surface area
1.0419393317735E+16
Volume
4.3989238735585E+23
Height
73124791.581314