28857542 is an even 8-digits composite number following 28857541
and preceding 28857543 . In scientific notation, it is written as 2.8857542 × 10^7.
The sum of its digits is 41. It has a total of 5 prime factors and 32 positive divisors.
There are 11625120 positive integers (up to 28857542) that are relatively prime to 28857542.
28857542 has 32 divisors, whose sum is 52481280
The reverse of 28857542 is 24575882
Previous prime number is 691
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty-eight million eight hundred fifty-seven thousand five hundred forty-two
Scientific notation
2.8857542 × 10^7
Engineering notation
2.8857542 × 10^6
Prime Factorization
2 × 7 × 19 × 691 × 157
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
28857542
Product of the distinct prime numbers
The prime factorization of 28857542 is 2 × 7 × 19 × 691 × 157.
Since it has a total of 5 prime factors.
3 , 3 , 38 , 29 , 387 , 579 , 6682 , 1377 , 69759 , 73469 , 507595 , 69548 , 821412 , 3053478 , 8486760 , 40342460 , 768347144 , 109070412 , 3871050998 , 8704130873
n×2
57715084
n×3
86572626
n×4
115430168
n×5
144287710
n÷2
14428771
n÷3
9619180.6666667
n÷3
7214385.5
n÷5
5771508.4
n2
832757730281764
n3
2.4031341177431E+22
n4
6.9348543734404E+29
n5
2.0012285134544E+37
2 √n
5371.9216301059
3 √n
306.72778056326
4 √n
73.293394177824
5 √n
31.049303841966
1 , 2 , 7 , 14 , 19 , 38 , 133 , 157 , 266 , 314 , 691 , 1099 , 1382 , 2198 , 2983 , 4837 , 5966 , 9674 , 13129 , 20881 , 26258 , 41762 , 91903 , 108487 , 183806 , 216974 , 759409 , 1518818 , 2061253 , 4122506 , 14428771 , 28857542
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
-28857541
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 28857542 can be divided by 32 positive divisors.
The sum of these divisors (counting 28857542) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101110000101010011000110
3
Ternary
2000022010002212
4
Quaternary
1232011103012
5
Quinary
24341420132
6
Senary
2510303422
8
Octal
156052306
10
Decimal
28857542
12
Duodecimal
97b7b72
16
Hexadecimal
1b854c6
20
Vigesimal
9073h2
36
Base36
h6ime
md5
0d8cb73d74a51f5a0dfdf10bb692a526
sha1
d34a0a098cfa86f91b694e658d93bdf971307917
sha256
78e3fad3155358a2dac4039b4a65ce53c4c8add8af7d1646f81225851264a999
sha512
7a5b60003414721c4ee3b0bacaca3fc1ba5eb654f9c5b2a811b3e324ecf01c039d0ee4d0dd8d96cb4cd2f0411841d42cb478d4e2f7db21debe6ae1241a92837e
ripemd-160
e833f4417629186173928cb3729174c65a8ef535
Diameter
57715084
Circumference
181317283.89572
Area
2.6161855676733E+15
Volume
1.006622465319E+23
Surface area
1.0464742270693E+16
Circumference
181317283.89572
Perimeter
115430168
Area
832757730281764
Diagonal
40810727.273151
Surface area
4996546381690584
Volume
2.4031341177431E+22
Space diagonal
49982728.925553
Perimeter
86572626
Area
3.6059467481094E+14
Altitude
24991364.462776
Surface area
3.6059467481094E+14
Volume
2.8321207179281E+21
Height
13603575.757717