155955438 is an even 9-digits composite number following 155955437
and preceding 155955439 . In scientific notation, it is written as 1.55955438 × 10^8.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 51768000 positive integers (up to 155955438) that are relatively prime to 155955438.
155955438 has 16 divisors, whose sum is 261011520
The reverse of 155955438 is 834559551
Previous prime number is 241
Is Prime? no
Number parity even
Number length 9
Sum of Digits 45
Digital Root 9
Name
one hundred fifty-five million nine hundred fifty-five thousand four hundred thirty-eight
Scientific notation
1.55955438 × 10^8
Engineering notation
1.55955438 × 10^6
Prime Factorization
2 × 9 × 241 × 35951
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
155955438
Product of the distinct prime numbers
The prime factorization of 155955438 is 2 × 9 × 241 × 35951.
Since it has a total of 4 prime factors.
8 , 6 , 90 , 75 , 747 , 397 , 4064 , 6807 , 76779 , 93932 , 1839 , 10455 , 3338575 , 4516470 , 83696458 , 41312116 , 949388405 , 19838470 , 9697514152 , 2990397940
n×2
311910876
n×3
467866314
n×4
623821752
n×5
779777190
n÷2
77977719
n÷3
51985146
n÷3
38988859.5
n÷5
31191087.6
n2
24322098641771844
n3
3.7931635467567E+24
n4
5.9156448234008E+32
n5
9.225769794859E+40
2 √n
12488.211961686
3 √n
538.26999848104
4 √n
111.75066873038
5 √n
43.511104183796
1 , 2 , 9 , 18 , 241 , 482 , 2169 , 4338 , 35951 , 71902 , 323559 , 647118 , 8664191 , 17328382 , 77977719 , 155955438
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
-155955437
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 155955438 can be divided by 16 positive divisors.
The sum of these divisors (counting 155955438) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001010010111011000011101110
3
Ternary
101212110100122100
4
Quaternary
21102323003232
5
Quinary
304411033223
6
Senary
23250355530
8
Octal
1122730356
10
Decimal
155955438
12
Duodecimal
4428bba6
16
Hexadecimal
94bb0ee
20
Vigesimal
28ee8bi
36
Base36
2kunzi
md5
23f114752fd899a9a4358f28d52bbd40
sha1
8818f01d367d6cd46533e9356afac078b4bb09a3
sha256
348beb73952dc40dd2b7ba697d195594c653471785d862c2835f96948e5b9aa8
sha512
53274560d4ac43339efe1d66e07f129799c77055319c0fe92b1f58535c40635b59718ca46a335bec22861d6dcd62f46027e07a82302c93a70cd011f0426bb14e
ripemd-160
4b33cd9ca1f0b86511f57c992e3e55e13848a451
Diameter
311910876
Circumference
979896916.61636
Area
7.6410126412877E+16
Volume
1.5888766309807E+25
Surface area
3.0564050565151E+17
Circumference
979896916.61636
Perimeter
623821752
Area
24322098641771844
Diagonal
220554295.54544
Surface area
145932591850631064
Volume
3.7931635467567E+24
Space diagonal
270122742.33266
Perimeter
467866314
Area
1.0531777648563E+16
Altitude
135061371.16633
Surface area
1.0531777648563E+16
Volume
4.4702861101022E+23
Height
73518098.515145