155224905 is an odd 9-digits composite number following 155224904
and preceding 155224906 . In scientific notation, it is written as 1.55224905 × 10^8.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 72830400 positive integers (up to 155224905) that are relatively prime to 155224905.
155224905 has 16 divisors, whose sum is 217534464
The reverse of 155224905 is 509422551
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 33
Digital Root 6
Name
one hundred fifty-five million two hundred twenty-four thousand nine hundred five
Scientific notation
1.55224905 × 10^8
Engineering notation
1.55224905 × 10^6
Prime Factorization
3 × 55 × 31 × 30347
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
155224905
Product of the distinct prime numbers
The prime factorization of 155224905 is 3 × 55 × 31 × 30347.
Since it has a total of 4 prime factors.
4 , 7 , 75 , 37 , 113 , 922 , 2325 , 7245 , 27868 , 94275 , 592387 , 953319 , 6436212 , 5009694 , 98025764 , 97438392 , 895576629 , 359906733 , 5996441264 , 6767535315
n×2
310449810
n×3
465674715
n×4
620899620
n×5
776124525
n÷2
77612452.5
n÷3
51741635
n÷3
38806226.25
n÷5
31044981
n2
24094771132259025
n3
3.7401085600016E+24
n4
5.8055799591594E+32
n5
9.0117059763043E+40
2 √n
12458.928726018
3 √n
537.428220449
4 √n
111.61957142911
5 √n
43.470264282726
1 , 3 , 31 , 55 , 93 , 165 , 1705 , 5115 , 30347 , 91041 , 940757 , 1669085 , 2822271 , 5007255 , 51741635 , 155224905
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
-155224904
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 155224905 can be divided by 16 positive divisors.
The sum of these divisors (counting 155224905) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001010000001000101101001001
3
Ternary
101211002020112120
4
Quaternary
21100020231021
5
Quinary
304214144110
6
Senary
23223001453
8
Octal
1120105511
10
Decimal
155224905
12
Duodecimal
43b99289
16
Hexadecimal
9408b49
20
Vigesimal
28a3255
36
Base36
2kf0ax
md5
6573963cc35837f4746ea81c81956657
sha1
576781ee2e8d112a5756cd3e1dda0579022a03ad
sha256
5599fd42a4aece8541db31bd1f0c88f9310805dd1964fbea704ceb7f8873a7d5
sha512
3ab35ddeccab6e91ac461f31dca8016d4e37f839635374f2b7b6c9cc652dd3c1b0da664bd9b3fe846debaab5e01f80d76a82e0ef8269b4d8d53f045a7d5df6c8
ripemd-160
ecfc0e2cc74ab2fa3ee6f4ae5b28c85539b47042
Diameter
310449810
Circumference
975306842.40435
Area
7.5695955979032E+16
Volume
1.5666530100973E+25
Surface area
3.0278382391613E+17
Circumference
975306842.40435
Perimeter
620899620
Area
24094771132259025
Diagonal
219521165.86908
Surface area
144568626793554150
Volume
3.7401085600016E+24
Space diagonal
268857422.06005
Perimeter
465674715
Area
1.0433341949454E+16
Altitude
134428711.03003
Surface area
1.0433341949454E+16
Volume
4.407760208585E+23
Height
73173721.956358