28711290 is an even 8-digits composite number following 28711289
and preceding 28711291 . In scientific notation, it is written as 2.8711290 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 7656336 positive integers (up to 28711290) that are relatively prime to 28711290.
28711290 has 8 divisors, whose sum is 45938112
The reverse of 28711290 is 09211782
Previous prime number is 15
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-eight million seven hundred eleven thousand two hundred ninety
Scientific notation
2.8711290 × 10^7
Engineering notation
2.8711290 × 10^6
Prime Factorization
2 × 15 × 957043
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28711290
Product of the distinct prime numbers
The prime factorization of 28711290 is 2 × 15 × 957043.
Since it has a total of 3 prime factors.
8 , 9 , 74 , 51 , 36 , 226 , 2713 , 3106 , 33126 , 64569 , 392728 , 247110 , 5111787 , 1897134 , 87541759 , 5267936 , 813860873 , 791604950 , 2056140831 , 473429932
n×2
57422580
n×3
86133870
n×4
114845160
n×5
143556450
n÷2
14355645
n÷3
9570430
n÷3
7177822.5
n÷5
5742258
n2
824338173464100
n3
2.3667812356398E+22
n4
6.7953342423013E+29
n5
1.9510281207764E+37
2 √n
5358.2917053852
3 √n
306.20873024333
4 √n
73.200353178009
5 √n
31.01776784653
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
-28711289
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 28711290 can be divided by 8 positive divisors.
The sum of these divisors (counting 28711290) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101101100001100101111010
3
Ternary
2000000200111010
4
Quaternary
1231201211322
5
Quinary
24322230130
6
Senary
2503214350
8
Octal
155414572
10
Decimal
28711290
12
Duodecimal
97473b6
16
Hexadecimal
1b6197a
20
Vigesimal
8j8i4a
36
Base36
h3dru
md5
a7a9f05014a1a17df030f5f9b1797124
sha1
8d441e62ca7dc3f6b49647cbbfb67a57ab077e30
sha256
dd2e85bb59ad65b1ef69fa4e509068950512904bf8709ae48115229f3a7e0512
sha512
382fe318b4fcdb83389db57a85607818941cd7c45029458b3800f556cd60ac2373c2a07c7a3330e3e01aa3e1308233616c589d7459cbaad0e0ccb495fa557741
ripemd-160
094901904182a44c723a6c5558d077899f00621a
Diameter
57422580
Circumference
180398355.47817
Area
2.5897347498284E+15
Volume
9.9139500567203E+22
Surface area
1.0358938999314E+16
Circumference
180398355.47817
Perimeter
114845160
Area
824338173464100
Diagonal
40603895.711227
Surface area
4946029040784600
Volume
2.3667812356398E+22
Space diagonal
49729413.030844
Perimeter
86133870
Area
3.5694889976459E+14
Altitude
24864706.515422
Surface area
3.5694889976459E+14
Volume
2.78927843551E+21
Height
13534631.903742