28131207 is an odd 8-digits composite number following 28131206
and preceding 28131208 . In scientific notation, it is written as 2.8131207 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 16588800 positive integers (up to 28131207) that are relatively prime to 28131207.
28131207 has 16 divisors, whose sum is 38251488
The reverse of 28131207 is 70213182
Previous prime number is 533
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-eight million one hundred thirty-one thousand two hundred seven
Scientific notation
2.8131207 × 10^7
Engineering notation
2.8131207 × 10^6
Prime Factorization
73 × 3 × 533 × 241
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28131207
Product of the distinct prime numbers
The prime factorization of 28131207 is 73 × 3 × 533 × 241.
Since it has a total of 4 prime factors.
4 , 10 , 41 , 84 , 81 , 598 , 1830 , 1631 , 55359 , 97602 , 560309 , 855301 , 2183275 , 553067 , 97731859 , 39752080 , 116613773 , 129493503 , 9700428818 , 324184424
n×2
56262414
n×3
84393621
n×4
112524828
n×5
140656035
n÷2
14065603.5
n÷3
9377069
n÷3
7032801.75
n÷5
5626241.4
n2
791364807276849
n3
2.226204720602E+22
n4
6.2625825819632E+29
n5
1.761740069678E+37
2 √n
5303.8860281873
3 √n
304.13246982365
4 √n
72.82778335352
5 √n
30.891405853316
1 , 3 , 73 , 219 , 241 , 533 , 723 , 1599 , 17593 , 38909 , 52779 , 116727 , 128453 , 385359 , 9377069 , 28131207
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28131206
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28131207 can be divided by 16 positive divisors.
The sum of these divisors (counting 28131207) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101011010011111110000111
3
Ternary
1221221012202120
4
Quaternary
1223103332013
5
Quinary
24200144312
6
Senary
2442541023
8
Octal
153237607
10
Decimal
28131207
12
Duodecimal
9507773
16
Hexadecimal
1ad3f87
20
Vigesimal
8fg807
36
Base36
gqy6f
md5
4032ba3c7788eda8d2b7ac8c66e90e3b
sha1
ce4f2a77c2e2e977bad04f507562c7b9165940fe
sha256
e009d00368b202885f3e884acedffb243768600fae43abd76d6614599074a81a
sha512
a152c025018f779298be05a7cb9982fce189491431af07fdfe9f934cf18099a93ee08f94037da79f7bd1852de779a0662d25a94c4df5f7b3008dbcda27d8b56c
ripemd-160
9f5a5504179e957ed942115119dbf8b2b4d06bfe
Diameter
56262414
Circumference
176753586.49563
Area
2.4861458648505E+15
Volume
9.3251045275069E+22
Surface area
9.9445834594018E+15
Circumference
176753586.49563
Perimeter
112524828
Area
791364807276849
Diagonal
39783534.465325
Surface area
4748188843661094
Volume
2.226204720602E+22
Space diagonal
48724679.802237
Perimeter
84393621
Area
3.4267101338136E+14
Altitude
24362339.901119
Surface area
3.4267101338136E+14
Volume
2.6236074237453E+21
Height
13261178.155108