28707212 is an even 8-digits composite number following 28707211
and preceding 28707213 . In scientific notation, it is written as 2.8707212 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors.
There are 14332560 positive integers (up to 28707212) that are relatively prime to 28707212.
28707212 has 12 divisors, whose sum is 50311296
The reverse of 28707212 is 21270782
Previous prime number is 733
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-eight million seven hundred seven thousand two hundred twelve
Scientific notation
2.8707212 × 10^7
Engineering notation
2.8707212 × 10^6
Prime Factorization
2 × 2 × 733 × 9791
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
14353606
Product of the distinct prime numbers
The prime factorization of 28707212 is 2 × 2 × 733 × 9791.
Since it has a total of 4 prime factors.
6 , 4 , 79 , 100 , 369 , 896 , 5031 , 2829 , 61006 , 10612 , 445987 , 734429 , 9982273 , 9739135 , 40786665 , 71891507 , 836944388 , 85367972 , 9424126557 , 1344304908
n×2
57414424
n×3
86121636
n×4
114828848
n×5
143536060
n÷2
14353606
n÷3
9569070.6666667
n÷3
7176803
n÷5
5741442.4
n2
824104020812944
n3
2.365772883553E+22
n4
6.7914743712006E+29
n5
1.9496429456662E+37
2 √n
5357.9111601444
3 √n
306.19423213327
4 √n
73.19775379166
5 √n
31.016886676479
1 , 2 , 4 , 733 , 1466 , 2932 , 9791 , 19582 , 39164 , 7176803 , 14353606 , 28707212
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28707211
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28707212 can be divided by 12 positive divisors.
The sum of these divisors (counting 28707212) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101101100000100110001100
3
Ternary
2000000110220002
4
Quaternary
1231200212030
5
Quinary
24322112322
6
Senary
2503143432
8
Octal
155404614
10
Decimal
28707212
12
Duodecimal
9744b78
16
Hexadecimal
1b6098c
20
Vigesimal
8j880c
36
Base36
h3amk
md5
4c0db0ff1dc2372450fe4f31606d5c10
sha1
80b0a46a382d6e3d2e4b86215112e6a4c6608d52
sha256
0af490226181debb40f295d7930d00acf6e9c6bcc9e4a8bf0d0c43984a2f2872
sha512
77d0e62b13844f0ef7c535c37cb0d4621f332f021e71209aa312d2a16d194e68fa7ed5bdea3166b641f923ce0edbe4dc8abb6ad09910e5f9c1589f62a9b49c31
ripemd-160
408fd7fdcb38871b8bb54c50421590397d0b3329
Diameter
57414424
Circumference
180372732.64849
Area
2.5889991375798E+15
Volume
9.9097262813759E+22
Surface area
1.0355996550319E+16
Circumference
180372732.64849
Perimeter
114828848
Area
824104020812944
Diagonal
40598128.54832
Surface area
4944624124877664
Volume
2.365772883553E+22
Space diagonal
49722349.727651
Perimeter
86121636
Area
3.5684750869245E+14
Altitude
24861174.863825
Surface area
3.5684750869245E+14
Volume
2.7880900811793E+21
Height
13532709.516107