155138884 is an even 9-digits composite number following 155138883
and preceding 155138885 . In scientific notation, it is written as 1.55138884 × 10^8.
The sum of its digits is 43. It has a total of 4 prime factors and 12 positive divisors.
There are 77506688 positive integers (up to 155138884) that are relatively prime to 155138884.
155138884 has 12 divisors, whose sum is 271712700
The reverse of 155138884 is 488831551
Previous prime number is 1289
Is Prime? no
Number parity even
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred fifty-five million one hundred thirty-eight thousand eight hundred eighty-four
Scientific notation
1.55138884 × 10^8
Engineering notation
1.55138884 × 10^6
Prime Factorization
2 × 2 × 1289 × 30089
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
77569442
Product of the distinct prime numbers
The prime factorization of 155138884 is 2 × 2 × 1289 × 30089.
Since it has a total of 4 prime factors.
6 , 9 , 2 , 45 , 378 , 302 , 8963 , 8198 , 35799 , 6868 , 19726 , 200071 , 7027552 , 6813899 , 40032417 , 47022989 , 936947709 , 909126642 , 6812545143 , 389213240
n×2
310277768
n×3
465416652
n×4
620555536
n×5
775694420
n÷2
77569442
n÷3
51712961.333333
n÷3
38784721
n÷5
31027776.8
n2
24068073328765456
n3
3.7338940362548E+24
n4
5.7927215375883E+32
n5
8.9867635466421E+40
2 √n
12455.476064768
3 √n
537.32892655591
4 √n
111.60410415736
5 √n
43.4654452303
1 , 2 , 4 , 1289 , 2578 , 5156 , 30089 , 60178 , 120356 , 38784721 , 77569442 , 155138884
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-155138883
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 155138884 can be divided by 12 positive divisors.
The sum of these divisors (counting 155138884) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001001111110011101101000100
3
Ternary
101210220212112121
4
Quaternary
21033303231010
5
Quinary
304203421014
6
Senary
23221055324
8
Octal
1117635504
10
Decimal
155138884
12
Duodecimal
43b57544
16
Hexadecimal
93f3b44
20
Vigesimal
289c744
36
Base36
2kd5xg
md5
7fd8ae07120d408f9d22ff22e02d0ad9
sha1
1cce2b67f6c488323d07365f83df603b5df0d6c2
sha256
8b366432612440793c47ff29db7244ebc9900e31b34b2f69f5836b6f789f39b1
sha512
5c60cc0745ec9e4bcb073c6a591eb9ff9324e328b46acd6157c620d736ee34a94e34d8fd452d435f57f0f37fb006d5ef8d299f6511fba86b3f1de7c926aa0bb2
ripemd-160
7ebf9339c533b0e1dcfb996a9ffaf27550055e60
Diameter
310277768
Circumference
974766356.52104
Area
7.561208235571E+16
Volume
1.5640498764775E+25
Surface area
3.0244832942284E+17
Circumference
974766356.52104
Perimeter
620555536
Area
24068073328765456
Diagonal
219399513.80423
Surface area
144408439972592736
Volume
3.7338940362548E+24
Space diagonal
268708429.31753
Perimeter
465416652
Area
1.0421781461429E+16
Altitude
134354214.65877
Surface area
1.0421781461429E+16
Volume
4.400436322113E+23
Height
73133171.268075