28782015 is an odd 8-digits composite number following 28782014
and preceding 28782016 . In scientific notation, it is written as 2.8782015 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 15299456 positive integers (up to 28782015) that are relatively prime to 28782015.
28782015 has 8 divisors, whose sum is 30802752
The reverse of 28782015 is 51028782
Previous prime number is 317
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-eight million seven hundred eighty-two thousand fifteen
Scientific notation
2.8782015 × 10^7
Engineering notation
2.8782015 × 10^6
Prime Factorization
15 × 317 × 6053
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28782015
Product of the distinct prime numbers
The prime factorization of 28782015 is 15 × 317 × 6053.
Since it has a total of 3 prime factors.
3 , 6 , 89 , 13 , 977 , 393 , 8159 , 9329 , 11423 , 11755 , 100749 , 582616 , 1926078 , 8767459 , 85267512 , 87694705 , 358563938 , 149641594 , 2685328242 , 5733154278
n×2
57564030
n×3
86346045
n×4
115128060
n×5
143910075
n÷2
14391007.5
n÷3
9594005
n÷3
7195503.75
n÷5
5756403
n2
828404387460225
n3
2.3843147505946E+22
n4
6.8625382916335E+29
n5
1.9751768004787E+37
2 √n
5364.8872308745
3 √n
306.45995376756
4 √n
73.2453905094
5 √n
31.033034128733
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28782014
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28782015 can be divided by 8 positive divisors.
The sum of these divisors (counting 28782015) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101101110010110110111111
3
Ternary
2000011021111120
4
Quaternary
1231302312333
5
Quinary
24332011030
6
Senary
2504522023
8
Octal
155626677
10
Decimal
28782015
12
Duodecimal
9780313
16
Hexadecimal
1b72dbf
20
Vigesimal
8jhf0f
36
Base36
h4wcf
md5
4f11ef5453fdb7ca15ac13604f3b2400
sha1
97b02ea91c9b0167b7a1a8f26b7cffc547e63355
sha256
b9ddf330ec227a88dccf953e645d02daa5db5c7583263c7cd691025601454558
sha512
0948a21ca8254238a2f96f867caf868ef29ec3672dea1b2dac97133de0c4fdb14186c8b7f7a8026951082e162dacaeedc5e16743d245d2d4993084a017369443
ripemd-160
939cf4af8232216ecc19b5f654f86a12f80d78d9
Diameter
57564030
Circumference
180842733.75902
Area
2.6025091378466E+15
Volume
9.9873942724184E+22
Surface area
1.0410036551386E+16
Circumference
180842733.75902
Perimeter
115128060
Area
828404387460225
Diagonal
40703915.965426
Surface area
4970426324761350
Volume
2.3843147505946E+22
Space diagonal
49851912.32421
Perimeter
86346045
Area
3.5870962207352E+14
Altitude
24925956.162105
Surface area
3.5870962207352E+14
Volume
2.8099418810476E+21
Height
13567971.988475