228720105 is an odd 9-digits composite number following 228720104
and preceding 228720106 . In scientific notation, it is written as 2.28720105 × 10^8.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 120800160 positive integers (up to 228720105) that are relatively prime to 228720105.
228720105 has 16 divisors, whose sum is 238993920
The reverse of 228720105 is 501027822
Previous prime number is 131
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 27
Digital Root 9
Name
two hundred twenty-eight million seven hundred twenty thousand one hundred five
Scientific notation
2.28720105 × 10^8
Engineering notation
2.28720105 × 10^6
Prime Factorization
81 × 45 × 131 × 479
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
228720105
Product of the distinct prime numbers
The prime factorization of 228720105 is 81 × 45 × 131 × 479.
Since it has a total of 4 prime factors.
4 , 2 , 61 , 66 , 204 , 611 , 8970 , 5764 , 44995 , 81781 , 762661 , 555763 , 8718042 , 4722785 , 3527737 , 77812280 , 412723044 , 235106366 , 559782201 , 9256053540
n×2
457440210
n×3
686160315
n×4
914880420
n×5
1143600525
n÷2
114360052.5
n÷3
76240035
n÷3
57180026.25
n÷5
45744021
n2
52312886431211025
n3
1.19650088774E+25
n4
2.7366380867648E+33
n5
6.2592415055184E+41
2 √n
15123.495131748
3 √n
611.55395699707
4 √n
122.97762045083
5 √n
46.97435962761
1 , 45 , 81 , 131 , 479 , 3645 , 5895 , 10611 , 21555 , 38799 , 62749 , 477495 , 1745955 , 2823705 , 5082669 , 228720105
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
-228720104
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 228720105 can be divided by 16 positive divisors.
The sum of these divisors (counting 228720105) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101000011111110111101001
3
Ternary
120221101012000000
4
Quaternary
31220133313221
5
Quinary
432023020410
6
Senary
34410133213
8
Octal
1550376751
10
Decimal
228720105
12
Duodecimal
64721209
16
Hexadecimal
da1fde9
20
Vigesimal
3b9a055
36
Base36
3s69k9
md5
72a92fd7ba2affaa2a78ffb9242e4188
sha1
4165b33f49587953aed72467ed411295e448883b
sha256
245db0082500cb9122b10436c242524f37680249e03c28092edc5ae4c6155f9f
sha512
c15f64ecac51e91440ed1054875342360d97653f8cf3c79f1d3cb05a81224682f62889d539cadc5cd6c33c31f01e5a58c1b18d528792d73da6f2ad032789ae98
ripemd-160
0d47bd34e46b71346e7aca182ec1eadbfaf31ee4
Diameter
457440210
Circumference
1437090803.1926
Area
1.6434577970037E+17
Volume
5.0118911985834E+25
Surface area
6.5738311880148E+17
Circumference
1437090803.1926
Perimeter
914880420
Area
52312886431211025
Diagonal
323459074.4784
Surface area
313877318587266150
Volume
1.19650088774E+25
Space diagonal
396154842.57249
Perimeter
686160315
Area
2.265214429736E+16
Altitude
198077421.28624
Surface area
2.265214429736E+16
Volume
1.4100898190278E+24
Height
107819691.4928