28001657 is an odd 8-digits composite number following 28001656
and preceding 28001658 . In scientific notation, it is written as 2.8001657 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 27927396 positive integers (up to 28001657) that are relatively prime to 28001657.
28001657 has 4 divisors, whose sum is 28075920
The reverse of 28001657 is 75610082
Previous prime number is 379
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-eight million one thousand six hundred fifty-seven
Scientific notation
2.8001657 × 10^7
Engineering notation
2.8001657 × 10^6
Prime Factorization
379 × 73883
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28001657
Product of the distinct prime numbers
The prime factorization of 28001657 is 379 × 73883.
Since it has a total of 2 prime factors.
2 , 5 , 28 , 96 , 757 , 566 , 854 , 9993 , 19391 , 8256 , 1991 , 308855 , 2168927 , 4966586 , 80677332 , 63458935 , 325903317 , 875701156 , 6845917647 , 2714982454
n×2
56003314
n×3
84004971
n×4
112006628
n×5
140008285
n÷2
14000828.5
n÷3
9333885.6666667
n÷3
7000414.25
n÷5
5600331.4
n2
784092794745649
n3
2.1955897494639E+22
n4
6.1480151077204E+29
n5
1.7215461027721E+37
2 √n
5291.6591915958
3 √n
303.66488710266
4 √n
72.743791429893
5 √n
30.862901039828
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
-28001656
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 28001657 can be divided by 4 positive divisors.
The sum of these divisors (counting 28001657) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101010110100010101111001
3
Ternary
1221200122001102
4
Quaternary
1222310111321
5
Quinary
24132023112
6
Senary
2440101145
8
Octal
152642571
10
Decimal
28001657
12
Duodecimal
94647b5
16
Hexadecimal
1ab4579
20
Vigesimal
8f042h
36
Base36
go67t
md5
040ea2d0789843b0465da2cd6732bcd3
sha1
6ece2eb2ca4421faed2e6c3185dbffc116c3448c
sha256
676affdb2e1c80c6955bdcdc247290835ae7a8f56886ae7e46d17dd773399a3f
sha512
a051afc346f9e9b8f6dcd82b4d312bfdd1641e8c57c6e6b35ff5ab66b35d20eae38dac5473784f3f8a1a1a96a7a01e38ca5bce654315ef0138b8523c79d5f59a
ripemd-160
9251720648b008dcd470ddb169825c0dd6db34bf
Diameter
56003314
Circumference
175939599.83908
Area
2.4633001637056E+15
Volume
9.1968648362838E+22
Surface area
9.8532006548225E+15
Circumference
175939599.83908
Perimeter
112006628
Area
784092794745649
Diagonal
39600323.09832
Surface area
4704556768473894
Volume
2.1955897494639E+22
Space diagonal
48500292.620117
Perimeter
84004971
Area
3.3952213958703E+14
Altitude
24250146.310058
Surface area
3.3952213958703E+14
Volume
2.5875273342493E+21
Height
13200107.69944