155131072 is an even 9-digits composite number following 155131071
and preceding 155131073 . In scientific notation, it is written as 1.55131072 × 10^8.
The sum of its digits is 25. It has a total of 8 prime factors and 28 positive divisors.
There are 77066496 positive integers (up to 155131072) that are relatively prime to 155131072.
155131072 has 28 divisors, whose sum is 309819040
The reverse of 155131072 is 270131551
Previous prime number is 157
Is Prime? no
Number parity even
Number length 9
Sum of Digits 25
Digital Root 7
Name
one hundred fifty-five million one hundred thirty-one thousand seventy-two
Scientific notation
1.55131072 × 10^8
Engineering notation
1.55131072 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 157 × 15439
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
4847846
Product of the distinct prime numbers
The prime factorization of 155131072 is 2 × 2 × 2 × 2 × 2 × 2 × 157 × 15439.
Since it has a total of 8 prime factors.
6 , 7 , 20 , 43 , 953 , 544 , 7943 , 4181 , 17927 , 414 , 240360 , 356049 , 8446438 , 7070203 , 46675487 , 30581704 , 346352512 , 979298464 , 763044293 , 7357533161
n×2
310262144
n×3
465393216
n×4
620524288
n×5
775655360
n÷2
77565536
n÷3
51710357.333333
n÷3
38782768
n÷5
31026214.4
n2
24065649499869184
n3
3.733330005291E+24
n4
5.7915548585055E+32
n5
8.9845011374677E+40
2 √n
12455.162463814
3 √n
537.31990735986
4 √n
111.60269917799
5 √n
43.46500748202
1 , 2 , 4 , 8 , 16 , 32 , 64 , 157 , 314 , 628 , 1256 , 2512 , 5024 , 10048 , 15439 , 30878 , 61756 , 123512 , 247024 , 494048 , 988096 , 2423923 , 4847846 , 9695692 , 19391384 , 38782768 , 77565536 , 155131072
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-155131071
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 155131072 can be divided by 28 positive divisors.
The sum of these divisors (counting 155131072) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
1001001111110001110011000000
3
Ternary
101210220110211021
4
Quaternary
21033301303000
5
Quinary
304203143242
6
Senary
23220555224
8
Octal
1117616300
10
Decimal
155131072
12
Duodecimal
43b52b14
16
Hexadecimal
93f1cc0
20
Vigesimal
289b7dc
36
Base36
2kczwg
md5
cfe6d1d9ef40958bdce568a72520762c
sha1
bc444a75d3baa286c6e7bd62d88ed04fcb9663b5
sha256
26d407826f3605e31440a35641feb2423ecaf693028276fb989c86738d558d44
sha512
43d19e2b2dce856e8b01915c238db5ff0b870a200004127a760e04bf9da4154c9fc847d0eb45dd4bc1c9932c7b14f871c64083f7f64587290b4efa2d69f9d2fb
ripemd-160
bbc1c2ccf496335f5aa6d430419870ad02f4ff75
Diameter
310262144
Circumference
974717272.27742
Area
7.5604467672656E+16
Volume
1.5638136157398E+25
Surface area
3.0241787069062E+17
Circumference
974717272.27742
Perimeter
620524288
Area
24065649499869184
Diagonal
219388465.96788
Surface area
144393896999215104
Volume
3.733330005291E+24
Space diagonal
268694898.53663
Perimeter
465393216
Area
1.0420731912729E+16
Altitude
134347449.26831
Surface area
1.0420731912729E+16
Volume
4.3997716052474E+23
Height
73129488.655959