28571888 is an even 8-digits composite number following 28571887
and preceding 28571889 . In scientific notation, it is written as 2.8571888 × 10^7.
The sum of its digits is 47. It has a total of 6 prime factors and 20 positive divisors.
There are 13664640 positive integers (up to 28571888) that are relatively prime to 28571888.
28571888 has 20 divisors, whose sum is 57765648
The reverse of 28571888 is 88817582
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
twenty-eight million five hundred seventy-one thousand eight hundred eighty-eight
Scientific notation
2.8571888 × 10^7
Engineering notation
2.8571888 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 23 × 77641
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3571486
Product of the distinct prime numbers
The prime factorization of 28571888 is 2 × 2 × 2 × 2 × 23 × 77641.
Since it has a total of 6 prime factors.
6 , 2 , 67 , 62 , 489 , 200 , 4870 , 8075 , 51805 , 72632 , 1434 , 276671 , 8211932 , 1446317 , 55373335 , 34346646 , 175402117 , 22420039 , 3257350889 , 7667575273
n×2
57143776
n×3
85715664
n×4
114287552
n×5
142859440
n÷2
14285944
n÷3
9523962.6666667
n÷3
7142972
n÷5
5714377.6
n2
816352783884544
n3
2.3324740309637E+22
n4
6.6643186775604E+29
n5
1.9041216685157E+37
2 √n
5345.2678136834
3 √n
305.7123473335
4 √n
73.111338475529
5 √n
30.987589049038
1 , 2 , 4 , 8 , 16 , 23 , 46 , 92 , 184 , 368 , 77641 , 155282 , 310564 , 621128 , 1242256 , 1785743 , 3571486 , 7142972 , 14285944 , 28571888
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28571887
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28571888 can be divided by 20 positive divisors.
The sum of these divisors (counting 28571888) is 1, the average is 0.05.
Base
System
Value
2
Binary
1101100111111100011110000
3
Ternary
1222202121021002
4
Quaternary
1230333203300
5
Quinary
24303300023
6
Senary
2500221132
8
Octal
154774360
10
Decimal
28571888
12
Duodecimal
969a7a8
16
Hexadecimal
1b3f8f0
20
Vigesimal
8ib9e8
36
Base36
h0e7k
md5
33316af2450c81ebc69b8de449d8d60b
sha1
08599d04909ee8f3e47be1a08f0ab8bfc2d74f54
sha256
4529b073f6035e8b658a4662fb2c441108c8569cec9ddc12333a44192c0de7e0
sha512
9d3ec26d8109c19473990d66373b7f62961111a75d8077d2b662f6e8408635ddfdc80872b5852d61e564ab8e8c0b29cc34c45fc5c45b2663afa25068a69024ce
ripemd-160
a7d6b443b98840b13e11da8f4a961c158949b12a
Diameter
57143776
Circumference
179522466.87998
Area
2.5646479085893E+15
Volume
9.7702443738195E+22
Surface area
1.0258591634357E+16
Circumference
179522466.87998
Perimeter
114287552
Area
816352783884544
Diagonal
40406751.512205
Surface area
4898116703307264
Volume
2.3324740309637E+22
Space diagonal
49487961.684168
Perimeter
85715664
Area
3.5349112464708E+14
Altitude
24743980.842084
Surface area
3.5349112464708E+14
Volume
2.74884700706E+21
Height
13468917.170735