155538961 is an odd 9-digits composite number following 155538960
and preceding 155538962 . In scientific notation, it is written as 1.55538961 × 10^8.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 154028772 positive integers (up to 155538961) that are relatively prime to 155538961.
155538961 has 4 divisors, whose sum is 157049152
The reverse of 155538961 is 169835551
Previous prime number is 103
Is Prime? no Number parity odd Number length 9 Sum of Digits 43 Digital Root 7
Name
one hundred fifty-five million five hundred thirty-eight thousand nine hundred sixty-one
Scientific notation
1.55538961 × 10^8
Engineering notation
1.55538961 × 10^6
Prime Factorization
103 × 1510087
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
155538961 Product of the distinct prime numbers
The prime factorization of 155538961 is 103 × 1510087.
Since it has a total of 2 prime factors.
6 , 4 , 51 , 18 , 140 , 238 , 2155 , 7108 , 14984 , 74235 , 758837 , 341178 , 5731304 , 7415409 , 1444759 , 41683002 , 540341447 , 995146017 , 7331683614 , 5945050483
n×2
311077922
n×3
466616883
n×4
622155844
n×5
777694805
n÷2
77769480.5
n÷3
51846320.333333
n÷3
38884740.25
n÷5
31107792.2
n2
24192368388959521
n3
3.762855843348E+24
n4
5.8527068826713E+32
n5
9.1032394756824E+40
2 √n12471.526009274
3 √n537.79042361525
4 √n111.67598671726
5 √n43.487840150681
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
-155538960 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 155538961 can be divided by 4 positive divisors.
The sum of these divisors (counting 155538961) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001010001010101011000010001
3
Ternary
101211200012100021
4
Quaternary
21101111120101
5
Quinary
304304221321
6
Senary
23233423441
8
Octal
1121253021
10
Decimal
155538961
12
Duodecimal
4410ab81
16
Hexadecimal
9455611
20
Vigesimal
28c2781
36
Base36
2klqmp
md5
385cd50983f5aa04e29099db0a2f49da
sha1
535119c9f2e0d34e7bcbc40c25a20cb3805d6938
sha256
64d2099a961ad4a62d0c4e20dc73ffa0e8f2eb5b887d46572fbb5464c6ea6da1
sha512
297e27569270509f79ea3a56e295cdb24a5893fe6f31b7cc080883ea3af65d26179c8c85b963959d9aefab815f763847fb547a6c0f6281d6ad2554a9caf36aef
ripemd-160
3ee9a9a72493b0a5b0f8b68b47879a9a7d0699d8
Diameter
311077922
Circumference
977280114.44918
Area
7.6002566803693E+16
Volume
1.5761813698639E+25
Surface area
3.0401026721477E+17
Circumference
977280114.44918
Perimeter
622155844
Area
24192368388959521
Diagonal
219965308.12362
Surface area
145154210333757126
Volume
3.762855843348E+24
Space diagonal
269401383.00847
Perimeter
466616883
Area
1.0475602801275E+16
Altitude
134700691.50424
Surface area
1.0475602801275E+16
Volume
4.434568139098E+23
Height
73321769.37454