28687612 is an even 8-digits composite number following 28687611
and preceding 28687613 . In scientific notation, it is written as 2.8687612 × 10^7.
The sum of its digits is 40. It has a total of 5 prime factors and 24 positive divisors.
There are 13774656 positive integers (up to 28687612) that are relatively prime to 28687612.
28687612 has 24 divisors, whose sum is 52214400
The reverse of 28687612 is 21678682
Previous prime number is 223
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-eight million six hundred eighty-seven thousand six hundred twelve
Scientific notation
2.8687612 × 10^7
Engineering notation
2.8687612 × 10^6
Prime Factorization
2 × 2 × 29 × 223 × 1109
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
14343806
Product of the distinct prime numbers
The prime factorization of 28687612 is 2 × 2 × 29 × 223 × 1109.
Since it has a total of 5 prime factors.
5 , 9 , 99 , 31 , 561 , 364 , 5963 , 7230 , 93595 , 65397 , 691802 , 135365 , 4242543 , 7427726 , 67519427 , 12882757 , 549350861 , 703120055 , 3208214804 , 3781199632
n×2
57375224
n×3
86062836
n×4
114750448
n×5
143438060
n÷2
14343806
n÷3
9562537.3333333
n÷3
7171903
n÷5
5737522.4
n2
822979082262544
n3
2.3609304596064E+22
n4
6.772945698417E+29
n5
1.9429963829326E+37
2 √n
5356.0817768216
3 √n
306.12453102705
4 √n
73.185256553636
5 √n
31.012650130804
1 , 2 , 4 , 29 , 58 , 116 , 223 , 446 , 892 , 1109 , 2218 , 4436 , 6467 , 12934 , 25868 , 32161 , 64322 , 128644 , 247307 , 494614 , 989228 , 7171903 , 14343806 , 28687612
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28687611
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28687612 can be divided by 24 positive divisors.
The sum of these divisors (counting 28687612) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101101011011110011111100
3
Ternary
1222222111000011
4
Quaternary
1231123303330
5
Quinary
24321000422
6
Senary
2502513004
8
Octal
155336374
10
Decimal
28687612
12
Duodecimal
9735764
16
Hexadecimal
1b5bcfc
20
Vigesimal
8j5j0c
36
Base36
h2vi4
md5
885612fd72c76b4c1c1979047f0222ea
sha1
cec2ffdeccc0b4aee52a1ed1393d2da06a49b6bd
sha256
1846156e643cbd9a25510858b063be22bd24cac2238bb216a062559d4472e33b
sha512
3484303a85509d38287de984960a01ad9d7a0ecf8829ecd80077a5e801f00522620e9f583f50c1bba104d04a2ed43bdca69e3068910762c92a9e89201d0fd5ed
ripemd-160
49c6140897e9b42a22e09e5a39312c49fbb33fa7
Diameter
57375224
Circumference
180249582.21647
Area
2.5854650388941E+15
Volume
9.8894423833811E+22
Surface area
1.0341860155576E+16
Circumference
180249582.21647
Perimeter
114750448
Area
822979082262544
Diagonal
40570409.962497
Surface area
4937874493575264
Volume
2.3609304596064E+22
Space diagonal
49688401.531823
Perimeter
86062836
Area
3.5636039601128E+14
Altitude
24844200.765911
Surface area
3.5636039601128E+14
Volume
2.7823832298293E+21
Height
13523469.987499