28668855 is an odd 8-digits composite number following 28668854
and preceding 28668856 . In scientific notation, it is written as 2.8668855 × 10^7.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 15249408 positive integers (up to 28668855) that are relatively prime to 28668855.
28668855 has 16 divisors, whose sum is 45992160
The reverse of 28668855 is 55886682
Previous prime number is 409
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
twenty-eight million six hundred sixty-eight thousand eight hundred fifty-five
Scientific notation
2.8668855 × 10^7
Engineering notation
2.8668855 × 10^6
Prime Factorization
3 × 5 × 409 × 4673
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28668855
Product of the distinct prime numbers
The prime factorization of 28668855 is 3 × 5 × 409 × 4673.
Since it has a total of 4 prime factors.
10 , 9 , 7 , 86 , 625 , 802 , 8661 , 414 , 95324 , 32069 , 264850 , 782848 , 8935311 , 9610245 , 21663822 , 53369706 , 673109112 , 67868008 , 234135690 , 4469133591
n×2
57337710
n×3
86006565
n×4
114675420
n×5
143344275
n÷2
14334427.5
n÷3
9556285
n÷3
7167213.75
n÷5
5733771
n2
821903247011025
n3
2.3563025012588E+22
n4
6.7552494744727E+29
n5
1.9366526767248E+37
2 √n
5354.3304903601
3 √n
306.05779804464
4 √n
73.173290826367
5 √n
31.008593630919
1 , 3 , 5 , 15 , 409 , 1227 , 2045 , 4673 , 6135 , 14019 , 23365 , 70095 , 1911257 , 5733771 , 9556285 , 28668855
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
-28668854
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 28668855 can be divided by 16 positive divisors.
The sum of these divisors (counting 28668855) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101010111001110110111
3
Ternary
1222221112021110
4
Quaternary
1231113032313
5
Quinary
24314400410
6
Senary
2502250103
8
Octal
155271667
10
Decimal
28668855
12
Duodecimal
9726933
16
Hexadecimal
1b573b7
20
Vigesimal
8j3c2f
36
Base36
h2h13
md5
a78a58d089dcaa86f8ee7e1434ba8b0c
sha1
732e75ecde909913327bae968358e4517edaf18c
sha256
fd88deb0b2f0670e92350c8eed059b1bffb7aa95e5c68a7043f9a93b747270e3
sha512
1bd0b9f4d410b70594deb9f76ff238bfbeebc4da6670c266d8a9a9218e8b87216c36f00aeffbdcdd9ef62d66d6591be8130d25c111077ce92283d723d2ce2542
ripemd-160
e5433157d9f7a93556b176492c3e2ed7e1154a3b
Diameter
57337710
Circumference
180131728.50966
Area
2.5820852027714E+15
Volume
9.8700568367866E+22
Surface area
1.0328340811086E+16
Circumference
180131728.50966
Perimeter
114675420
Area
821903247011025
Diagonal
40543883.558708
Surface area
4931419482066150
Volume
2.3563025012588E+22
Space diagonal
49655913.454825
Perimeter
86006565
Area
3.5589454568223E+14
Altitude
24827956.727413
Surface area
3.5589454568223E+14
Volume
2.7769291286116E+21
Height
13514627.852903