28687624 is an even 8-digits composite number following 28687623
and preceding 28687625 . In scientific notation, it is written as 2.8687624 × 10^7.
The sum of its digits is 43. It has a total of 6 prime factors and 32 positive divisors.
There are 11759616 positive integers (up to 28687624) that are relatively prime to 28687624.
28687624 has 32 divisors, whose sum is 64149120
The reverse of 28687624 is 42678682
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty-eight million six hundred eighty-seven thousand six hundred twenty-four
Scientific notation
2.8687624 × 10^7
Engineering notation
2.8687624 × 10^6
Prime Factorization
2 × 2 × 2 × 7 × 23 × 22273
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
7171906
Product of the distinct prime numbers
The prime factorization of 28687624 is 2 × 2 × 2 × 7 × 23 × 22273.
Since it has a total of 6 prime factors.
4 , 3 , 69 , 12 , 459 , 661 , 2627 , 1152 , 3286 , 9553 , 29460 , 810963 , 7714893 , 4177674 , 2613895 , 66946196 , 496260715 , 272549786 , 6995447978 , 6535847619
n×2
57375248
n×3
86062872
n×4
114750496
n×5
143438120
n÷2
14343812
n÷3
9562541.3333333
n÷3
7171906
n÷5
5737524.8
n2
822979770765376
n3
2.3609334223323E+22
n4
6.7729570308903E+29
n5
1.9430004467034E+37
2 √n
5356.0828970433
3 √n
306.12457371091
4 √n
73.185264206965
5 √n
31.012652725316
1 , 2 , 4 , 7 , 8 , 14 , 23 , 28 , 46 , 56 , 92 , 161 , 184 , 322 , 644 , 1288 , 22273 , 44546 , 89092 , 155911 , 178184 , 311822 , 512279 , 623644 , 1024558 , 1247288 , 2049116 , 3585953 , 4098232 , 7171906 , 14343812 , 28687624
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28687623
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28687624 can be divided by 32 positive divisors.
The sum of these divisors (counting 28687624) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101101011011110100001000
3
Ternary
1222222111000121
4
Quaternary
1231123310020
5
Quinary
24321000444
6
Senary
2502513024
8
Octal
155336410
10
Decimal
28687624
12
Duodecimal
9735774
16
Hexadecimal
1b5bd08
20
Vigesimal
8j5j14
36
Base36
h2vig
md5
8489e8f66aa022a9b95a486b9fc34d4c
sha1
e40bd23a580286a3a7d30b8feabbbe7809e58525
sha256
294127f5c931ad018f2c302a9b5c28f771bb4fe0125d82a642fc848622d75c17
sha512
a1dd87ee745661a732cbd8c781d87178c9f340aafc83dd17cc3af33c8616d8ec94fc3839bb4ccd1dce00d9107a405b0f5e335ede25991dfc02dbce691f688458
ripemd-160
3cade24cc9c5772d162f418e2346871d515ab6bc
Diameter
57375248
Circumference
180249657.61469
Area
2.5854672018895E+15
Volume
9.8894547936185E+22
Surface area
1.0341868807558E+16
Circumference
180249657.61469
Perimeter
114750496
Area
822979770765376
Diagonal
40570426.93306
Surface area
4937878624592256
Volume
2.3609334223323E+22
Space diagonal
49688422.316432
Perimeter
86062872
Area
3.5636069414175E+14
Altitude
24844211.158216
Surface area
3.5636069414175E+14
Volume
2.7823867214353E+21
Height
13523475.644353