28407893 is an odd 8-digits composite number following 28407892
and preceding 28407894 . In scientific notation, it is written as 2.8407893 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 28217088 positive integers (up to 28407893) that are relatively prime to 28407893.
28407893 has 4 divisors, whose sum is 28598700
The reverse of 28407893 is 39870482
Previous prime number is 149
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty-eight million four hundred seven thousand eight hundred ninety-three
Scientific notation
2.8407893 × 10^7
Engineering notation
2.8407893 × 10^6
Prime Factorization
149 × 190657
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28407893
Product of the distinct prime numbers
The prime factorization of 28407893 is 149 × 190657.
Since it has a total of 2 prime factors.
2 , 1 , 90 , 12 , 337 , 409 , 7283 , 2593 , 90745 , 70733 , 274981 , 211672 , 2186656 , 3094652 , 61887378 , 29594294 , 853428025 , 534125150 , 6207987655 , 6065581232
n×2
56815786
n×3
85223679
n×4
113631572
n×5
142039465
n÷2
14203946.5
n÷3
9469297.6666667
n÷3
7101973.25
n÷5
5681578.6
n2
807008384699449
n3
2.2925407842645E+22
n4
6.5126253297521E+29
n5
1.8500996351669E+37
2 √n
5329.9055338721
3 √n
305.12632230416
4 √n
73.006202023335
5 √n
30.951935001254
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
-28407892
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 28407893 can be divided by 4 positive divisors.
The sum of these divisors (counting 28407893) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101100010111100001010101
3
Ternary
1222110021022012
4
Quaternary
1230113201111
5
Quinary
24233023033
6
Senary
2452514005
8
Octal
154274125
10
Decimal
28407893
12
Duodecimal
961b905
16
Hexadecimal
1b17855
20
Vigesimal
8hajed
36
Base36
gwvo5
md5
1fb49464e908cd719df78da89301e03e
sha1
b6e868f3373d949cc922d3062a789753af86fc8d
sha256
ef7c0d7b5675629cf7e38eebebaa900c50a8476c8e592b5af7128f256a6a9d51
sha512
d08ba31019b13874e0c58fc8328d759833ea0c08f42916b134f04448af47b3fdde5ffc3064a0e091187cabea4ec2953ac388e45dd6de7e8397db3fddc34b195b
ripemd-160
3896e149af46fcd8f98168260c8c82c481cd9113
Diameter
56815786
Circumference
178492055.90553
Area
2.5352916127572E+15
Volume
9.6029723812004E+22
Surface area
1.0141166451029E+16
Circumference
178492055.90553
Perimeter
113631572
Area
807008384699449
Diagonal
40174827.559044
Surface area
4842050308196694
Volume
2.2925407842645E+22
Space diagonal
49203914.01198
Perimeter
85223679
Area
3.4944488110838E+14
Altitude
24601957.00599
Surface area
3.4944488110838E+14
Volume
2.7017852245002E+21
Height
13391609.186348