28687039 is an odd 8-digits composite number following 28687038
and preceding 28687040 . In scientific notation, it is written as 2.8687039 × 10^7.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 28200760 positive integers (up to 28687039) that are relatively prime to 28687039.
28687039 has 4 divisors, whose sum is 29173320
The reverse of 28687039 is 93078682
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty-eight million six hundred eighty-seven thousand thirty-nine
Scientific notation
2.8687039 × 10^7
Engineering notation
2.8687039 × 10^6
Prime Factorization
59 × 486221
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28687039
Product of the distinct prime numbers
The prime factorization of 28687039 is 59 × 486221.
Since it has a total of 2 prime factors.
9 , 7 , 86 , 15 , 49 , 883 , 6760 , 3397 , 98792 , 50333 , 722175 , 303785 , 3744001 , 3390856 , 47844613 , 73172092 , 675770295 , 697767542 , 9956417206 , 3181771746
n×2
57374078
n×3
86061117
n×4
114748156
n×5
143435195
n÷2
14343519.5
n÷3
9562346.3333333
n÷3
7171759.75
n÷5
5737407.8
n2
822946206587521
n3
2.3607889923278E+22
n4
6.7724045893679E+29
n5
1.9428023457898E+37
2 √n
5356.0282859597
3 √n
306.12249285898
4 √n
73.184891104378
5 √n
31.012526241855
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28687038
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28687039 can be divided by 4 positive divisors.
The sum of these divisors (counting 28687039) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101101011011101010111111
3
Ternary
1222222110012221
4
Quaternary
1231123222333
5
Quinary
24320441124
6
Senary
2502510211
8
Octal
155335277
10
Decimal
28687039
12
Duodecimal
9735367
16
Hexadecimal
1b5babf
20
Vigesimal
8j5hbj
36
Base36
h2v27
md5
ca34e1f94bb4259fb087eefabfc1227e
sha1
2918e08dbc3cd74943ad5b4a94257844d54c1040
sha256
87636c69f9f5597d064bad221371bb7df2bdb8931c92fca42f2b35c072d7cea0
sha512
9fa9bd8b9ee6ee0ee1d7eb45d280a260c5c4759b9bea8a766f04da9c9d590f91440fd713325523c22697c9dba46edf49e301f51ba028cb9c8a1938894c8b5777
ripemd-160
e14e2ccf904298ceceb0f6e536ac52ed5c52e289
Diameter
57374078
Circumference
180245981.95129
Area
2.5853617569149E+15
Volume
9.8888498066303E+22
Surface area
1.034144702766E+16
Circumference
180245981.95129
Perimeter
114748156
Area
822946206587521
Diagonal
40569599.618126
Surface area
4937677239525126
Volume
2.3607889923278E+22
Space diagonal
49687409.06671
Perimeter
86061117
Area
3.5634616042641E+14
Altitude
24843704.533355
Surface area
3.5634616042641E+14
Volume
2.7822165090426E+21
Height
13523199.872709