155218105 is an odd 9-digits composite number following 155218104
and preceding 155218106 . In scientific notation, it is written as 1.55218105 × 10^8.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 106315200 positive integers (up to 155218105) that are relatively prime to 155218105.
155218105 has 16 divisors, whose sum is 213110784
The reverse of 155218105 is 501812551
Previous prime number is 3853
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 28
Digital Root 1
Name
one hundred fifty-five million two hundred eighteen thousand one hundred five
Scientific notation
1.55218105 × 10^8
Engineering notation
1.55218105 × 10^6
Prime Factorization
5 × 7 × 3853 × 1151
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
155218105
Product of the distinct prime numbers
The prime factorization of 155218105 is 5 × 7 × 3853 × 1151.
Since it has a total of 4 prime factors.
10 , 10 , 76 , 71 , 701 , 592 , 4625 , 4216 , 51380 , 25433 , 27809 , 43997 , 6355869 , 8950595 , 34241598 , 29790318 , 813329796 , 212304937 , 4223203774 , 5542943789
n×2
310436210
n×3
465654315
n×4
620872420
n×5
776090525
n÷2
77609052.5
n÷3
51739368.333333
n÷3
38804526.25
n÷5
31043621
n2
24092660119791025
n3
3.739617048203E+24
n4
5.8045627164777E+32
n5
9.0097322520532E+40
2 √n
12458.655826372
3 √n
537.42037255615
4 √n
111.61834896813
5 √n
43.469883412173
1 , 5 , 7 , 35 , 1151 , 3853 , 5755 , 8057 , 19265 , 26971 , 40285 , 134855 , 4434803 , 22174015 , 31043621 , 155218105
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-155218104
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 155218105 can be divided by 16 positive divisors.
The sum of these divisors (counting 155218105) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001010000000111000010111001
3
Ternary
101211001220012201
4
Quaternary
21100013002321
5
Quinary
304213434410
6
Senary
23222510201
8
Octal
1120070271
10
Decimal
155218105
12
Duodecimal
43b95361
16
Hexadecimal
94070b9
20
Vigesimal
28a2555
36
Base36
2kev21
md5
178709890d8d8fde8aafbbca53a2d9f6
sha1
3f105ec943002c8e07fa13acd974377bd75946e7
sha256
231da71f5c5f9d5524d09c54ed8b7fd4d535f1d5834680bd96c26b6c251e49a5
sha512
ef8eec22cd5c8534eb8d316aab6cb9039e08236eb0387aa068d2eecb2988f96f0a4c71f1e476baddf9bcefeab4ec2f862461815990c1518b47ea41d5cd8a5a7e
ripemd-160
a3568920bfa678a8338a177dc18a219d18c2af14
Diameter
310436210
Circumference
975264116.74426
Area
7.5689324037771E+16
Volume
1.5664471261165E+25
Surface area
3.0275729615109E+17
Circumference
975264116.74426
Perimeter
620872420
Area
24092660119791025
Diagonal
219511549.21685
Surface area
144555960718746150
Volume
3.739617048203E+24
Space diagonal
268845644.11456
Perimeter
465654315
Area
1.0432427854242E+16
Altitude
134422822.05728
Surface area
1.0432427854242E+16
Volume
4.4071809563753E+23
Height
73170516.405617