155122009 is an odd 9-digits composite number following 155122008
and preceding 155122010 . In scientific notation, it is written as 1.55122009 × 10^8.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 132961716 positive integers (up to 155122009) that are relatively prime to 155122009.
155122009 has 4 divisors, whose sum is 177282304
The reverse of 155122009 is 900221551
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 25
Digital Root 7
Name
one hundred fifty-five million one hundred twenty-two thousand nine
Scientific notation
1.55122009 × 10^8
Engineering notation
1.55122009 × 10^6
Prime Factorization
7 × 22160287
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
155122009
Product of the distinct prime numbers
The prime factorization of 155122009 is 7 × 22160287.
Since it has a total of 2 prime factors.
7 , 7 , 14 , 12 , 620 , 745 , 3359 , 9826 , 78482 , 41549 , 340087 , 682639 , 9065618 , 1357549 , 29994208 , 18363447 , 574085187 , 212562005 , 8578573450 , 6212947662
n×2
310244018
n×3
465366027
n×4
620488036
n×5
775610045
n÷2
77561004.5
n÷3
51707336.333333
n÷3
38780502.25
n÷5
31024401.8
n2
24062837676196081
n3
3.7326757225724E+24
n4
5.7902015703096E+32
n5
8.9818770010138E+40
2 √n
12454.798633459
3 √n
537.30944346612
4 √n
111.6010691412
5 √n
43.4644996114
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
-155122008
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 155122009 can be divided by 4 positive divisors.
The sum of these divisors (counting 155122009) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001001111101111100101011001
3
Ternary
101210220000101121
4
Quaternary
21033233211121
5
Quinary
304202401014
6
Senary
23220445241
8
Octal
1117574531
10
Decimal
155122009
12
Duodecimal
43b49821
16
Hexadecimal
93ef959
20
Vigesimal
289a509
36
Base36
2kcswp
md5
51df98b3eee60a60befe500c53bb3cfa
sha1
9ee6195e330b17dd68275f2a343aee017b3d8b42
sha256
8ced1f0e0c87058d8e612894f038abdf28e51a9b5760787629b4673539441d53
sha512
cb8a1e6c92faa98ba8cc1ce468fae64ea98614da93e074bf47fb1c79c468742d20d89051cd7e92f70078abf07f9c49343b24f97283671fa7d57612f2a9d0d569
ripemd-160
57eb97d907d4dedc4f73a7b9ec6ea0f008f18405
Diameter
310244018
Circumference
974660327.76898
Area
7.5595634068061E+16
Volume
1.5635395504355E+25
Surface area
3.0238253627225E+17
Circumference
974660327.76898
Perimeter
620488036
Area
24062837676196081
Diagonal
219375648.95036
Surface area
144377026057176486
Volume
3.7326757225724E+24
Space diagonal
268679200.96016
Perimeter
465366027
Area
1.0419514357364E+16
Altitude
134339600.48008
Surface area
1.0419514357364E+16
Volume
4.3990005256689E+23
Height
73125216.316787