28665655 is an odd 8-digits composite number following 28665654
and preceding 28665656 . In scientific notation, it is written as 2.8665655 × 10^7.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 21491200 positive integers (up to 28665655) that are relatively prime to 28665655.
28665655 has 16 divisors, whose sum is 36578304
The reverse of 28665655 is 55656682
Previous prime number is 293
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty-eight million six hundred sixty-five thousand six hundred fifty-five
Scientific notation
2.8665655 × 10^7
Engineering notation
2.8665655 × 10^6
Prime Factorization
5 × 17 × 293 × 1151
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28665655
Product of the distinct prime numbers
The prime factorization of 28665655 is 5 × 17 × 293 × 1151.
Since it has a total of 4 prime factors.
8 , 7 , 56 , 32 , 447 , 697 , 4077 , 6616 , 23128 , 64704 , 476252 , 703246 , 1555629 , 198503 , 48475574 , 3546089 , 334620422 , 185861760 , 7818795413 , 534757778
n×2
57331310
n×3
85996965
n×4
114662620
n×5
143328275
n÷2
14332827.5
n÷3
9555218.3333333
n÷3
7166413.75
n÷5
5733131
n2
821719776579025
n3
2.3555135622091E+22
n4
6.7522339122108E+29
n5
1.9355720780674E+37
2 √n
5354.0316584794
3 √n
306.04641029307
4 √n
73.17124885144
5 √n
31.007901367972
1 , 5 , 17 , 85 , 293 , 1151 , 1465 , 4981 , 5755 , 19567 , 24905 , 97835 , 337243 , 1686215 , 5733131 , 28665655
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
-28665654
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 28665655 can be divided by 16 positive divisors.
The sum of these divisors (counting 28665655) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101010110011100110111
3
Ternary
1222221100212221
4
Quaternary
1231112130313
5
Quinary
24314300110
6
Senary
2502223211
8
Octal
155263467
10
Decimal
28665655
12
Duodecimal
9724b07
16
Hexadecimal
1b56737
20
Vigesimal
8j342f
36
Base36
h2ek7
md5
722da57edc4b8ea0ba6e5039a8cc4e15
sha1
a0b2c3a1487666fefec2f55f00b650cf2b58d61b
sha256
3fe16bafd91dc36ac296e5e3d92cedf2c9b9b545e22b8e3c76cc2a907c8fb23f
sha512
ddad0d65a80b0bb7df7ebed994d3411d41e4d42dc14b03ad965869e14bd2f19a085343ac6a5aca240c8341bbbbb99d68f6f31e851690f166d30d50f8cf8397ba
ripemd-160
40c7ae1ac356c6823692c409b460c89dc78871d7
Diameter
57331310
Circumference
180111622.31668
Area
2.5815088134101E+15
Volume
9.8667521366231E+22
Surface area
1.032603525364E+16
Circumference
180111622.31668
Perimeter
114662620
Area
821719776579025
Diagonal
40539358.075308
Surface area
4930318659474150
Volume
2.3555135622091E+22
Space diagonal
49650370.892241
Perimeter
85996965
Area
3.5581510065475E+14
Altitude
24825185.44612
Surface area
3.5581510065475E+14
Volume
2.7759993550249E+21
Height
13513119.358436