155189916 is an even 9-digits composite number following 155189915
and preceding 155189917 . In scientific notation, it is written as 1.55189916 × 10^8.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 44339904 positive integers (up to 155189916) that are relatively prime to 155189916.
155189916 has 12 divisors, whose sum is 275893632
The reverse of 155189916 is 619981551
Previous prime number is 63
Is Prime? no
Number parity even
Number length 9
Sum of Digits 45
Digital Root 9
Name
one hundred fifty-five million one hundred eighty-nine thousand nine hundred sixteen
Scientific notation
1.55189916 × 10^8
Engineering notation
1.55189916 × 10^6
Prime Factorization
2 × 2 × 63 × 615833
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
77594958
Product of the distinct prime numbers
The prime factorization of 155189916 is 2 × 2 × 63 × 615833.
Since it has a total of 4 prime factors.
2 , 3 , 16 , 49 , 853 , 516 , 8509 , 4200 , 9506 , 21567 , 821675 , 7568 , 8060586 , 6385562 , 35930586 , 49757567 , 862486123 , 775978172 , 2438917831 , 7872319700
n×2
310379832
n×3
465569748
n×4
620759664
n×5
775949580
n÷2
77594958
n÷3
51729972
n÷3
38797479
n÷5
31037983.2
n2
24083910028087056
n3
3.7375799742104E+24
n4
5.8003472224099E+32
n5
9.0015539821663E+40
2 √n
12457.524473185
3 √n
537.38783713326
4 √n
111.61328089965
5 √n
43.468304393322
1 , 2 , 4 , 63 , 126 , 252 , 615833 , 1231666 , 2463332 , 38797479 , 77594958 , 155189916
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
-155189915
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 155189916 can be divided by 12 positive divisors.
The sum of these divisors (counting 155189916) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001010000000000001010011100
3
Ternary
101211000110112200
4
Quaternary
21100000022130
5
Quinary
304212034131
6
Senary
23222131500
8
Octal
1120001234
10
Decimal
155189916
12
Duodecimal
43b80b90
16
Hexadecimal
940029c
20
Vigesimal
289iefg
36
Base36
2ke9b0
md5
daf41c8b434d14915d326672a8494906
sha1
ce06052cec3650484821aae0003e1b18e10804a2
sha256
3d01a80ad05b323bb5c99a1a79921ff8fd2cb0a5183105e76609ff0cb0691eb6
sha512
a1840ae257ebb7d478c5ebff3c77b02a8988aaaa6a76a8eaa8e185bbd6d401294c1a356eeed7430192fbbf907625e04e7cc0850fc96e0e233ee56ae552b6c23e
ripemd-160
38ad71ca1f9f96f7e614f12e47fc03d3df4d9659
Diameter
310379832
Circumference
975087000.03363
Area
7.5661834813956E+16
Volume
1.5655938385578E+25
Surface area
3.0264733925582E+17
Circumference
975087000.03363
Perimeter
620759664
Area
24083910028087056
Diagonal
219471683.95074
Surface area
144503460168522336
Volume
3.7375799742104E+24
Space diagonal
268796819.33435
Perimeter
465569748
Area
1.0428638953391E+16
Altitude
134398409.66717
Surface area
1.0428638953391E+16
Volume
4.404780241652E+23
Height
73157227.98358