155427857 is an odd 9-digits composite number following 155427856
and preceding 155427858 . In scientific notation, it is written as 1.55427857 × 10^8.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 143471856 positive integers (up to 155427857) that are relatively prime to 155427857.
155427857 has 4 divisors, whose sum is 167383860
The reverse of 155427857 is 758724551
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
one hundred fifty-five million four hundred twenty-seven thousand eight hundred fifty-seven
Scientific notation
1.55427857 × 10^8
Engineering notation
1.55427857 × 10^6
Prime Factorization
13 × 11955989
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
155427857
Product of the distinct prime numbers
The prime factorization of 155427857 is 13 × 11955989.
Since it has a total of 2 prime factors.
4 , 6 , 55 , 79 , 812 , 726 , 9734 , 5736 , 26556 , 7642 , 746703 , 202568 , 8649072 , 7819277 , 60070781 , 40764039 , 759871015 , 986717827 , 5477711962 , 4682274215
n×2
310855714
n×3
466283571
n×4
621711428
n×5
777139285
n÷2
77713928.5
n÷3
51809285.666667
n÷3
38856964.25
n÷5
31085571.4
n2
24157818731612449
n3
3.754797995249E+24
n4
5.8360020586945E+32
n5
9.0707729343047E+40
2 √n
12467.070906993
3 √n
537.66234230913
4 √n
111.65603838124
5 √n
43.481625560986
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
-155427856
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 155427857 can be divided by 4 positive divisors.
The sum of these divisors (counting 155427857) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001010000111010010000010001
3
Ternary
101211110112221022
4
Quaternary
21100322100101
5
Quinary
304242142412
6
Senary
23231205225
8
Octal
1120722021
10
Decimal
155427857
12
Duodecimal
44076815
16
Hexadecimal
943a411
20
Vigesimal
28b89ch
36
Base36
2kjcwh
md5
2464ea7fbc9f7963dfb685986af62645
sha1
d94667b60502870bb2a55f881beb233f4406f0b1
sha256
f63b32f2b4c3c42caf2ca8f28e8e040a17897ab8bb3f45efa7d958acbec82801
sha512
7e7e98b6331256fbf15255f64b8ce1018809bc3b028fbc4b0158633dbbbc2523dc31e0eb93e47776e34418f0d988f57061d689da92c4eab59ec034e5f8d81ebc
ripemd-160
1144eeed8e664f53522dcc23ab495f49b5dd8d56
Diameter
310855714
Circumference
976582027.42881
Area
7.5894025853988E+16
Volume
1.5728061063451E+25
Surface area
3.0357610341595E+17
Circumference
976582027.42881
Perimeter
621711428
Area
24157818731612449
Diagonal
219808183.33999
Surface area
144946912389674694
Volume
3.754797995249E+24
Space diagonal
269208945.23555
Perimeter
466283571
Area
1.0460642360798E+16
Altitude
134604472.61777
Surface area
1.0460642360798E+16
Volume
4.4250718740437E+23
Height
73269394.446662