28440855 is an odd 8-digits composite number following 28440854
and preceding 28440856 . In scientific notation, it is written as 2.8440855 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 15075360 positive integers (up to 28440855) that are relatively prime to 28440855.
28440855 has 16 divisors, whose sum is 33914880
The reverse of 28440855 is 55804482
Previous prime number is 191
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-eight million four hundred forty thousand eight hundred fifty-five
Scientific notation
2.8440855 × 10^7
Engineering notation
2.8440855 × 10^6
Prime Factorization
9 × 15 × 191 × 1103
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28440855
Product of the distinct prime numbers
The prime factorization of 28440855 is 9 × 15 × 191 × 1103.
Since it has a total of 4 prime factors.
3 , 10 , 57 , 65 , 408 , 191 , 9096 , 1076 , 44170 , 1717 , 721354 , 136591 , 2840376 , 7912638 , 9058704 , 20051589 , 857891974 , 989715512 , 3163372165 , 5594104855
n×2
56881710
n×3
85322565
n×4
113763420
n×5
142204275
n÷2
14220427.5
n÷3
9480285
n÷3
7110213.75
n÷5
5688171
n2
808882233131025
n3
2.3005302304556E+22
n4
6.5429046707503E+29
n5
1.8608580301963E+37
2 √n
5332.9968122998
3 √n
305.24429053185
4 √n
73.027370295663
5 √n
30.95911444602
1 , 9 , 15 , 135 , 191 , 1103 , 1719 , 2865 , 9927 , 16545 , 25785 , 148905 , 210673 , 1896057 , 3160095 , 28440855
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
-28440854
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 28440855 can be divided by 16 positive divisors.
The sum of these divisors (counting 28440855) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101100011111100100010111
3
Ternary
1222111221112000
4
Quaternary
1230133210113
5
Quinary
24240101410
6
Senary
2453330343
8
Octal
154374427
10
Decimal
28440855
12
Duodecimal
96369b3
16
Hexadecimal
1b1f917
20
Vigesimal
8hf22f
36
Base36
gxl3r
md5
10d70494475aac1bba3899116188cd67
sha1
dbd2cfe504c59504519ce7274a1795f40b1cf724
sha256
5260c98e3afe7fd8fb90df0860ef3d9da9c4883a52cd728677e5cba517deca5a
sha512
3fc965b28c93092ccb59d19dd991b2510b96a81a4a73b2f8f683969c8594ffa722863cf9220868a0de5a749c1d2bef592dbe91847695a6041e454b2251d6cee8
ripemd-160
3fa19bbee18ca2403f674d04fbc15c416d7df464
Diameter
56881710
Circumference
178699162.25963
Area
2.5411784812237E+15
Volume
9.6364384951473E+22
Surface area
1.0164713924895E+16
Circumference
178699162.25963
Perimeter
113763420
Area
808882233131025
Diagonal
40221442.866487
Surface area
4853293398786150
Volume
2.3005302304556E+22
Space diagonal
49261005.870699
Perimeter
85322565
Area
3.5025628128068E+14
Altitude
24630502.93535
Surface area
3.5025628128068E+14
Volume
2.711200877133E+21
Height
13407147.622162