28121012 is an even 8-digits composite number following 28121011
and preceding 28121013 . In scientific notation, it is written as 2.8121012 × 10^7.
The sum of its digits is 17. It has a total of 4 prime factors and 12 positive divisors.
There are 14006520 positive integers (up to 28121012) that are relatively prime to 28121012.
28121012 has 12 divisors, whose sum is 49400736
The reverse of 28121012 is 21012182
Previous prime number is 263
Is Prime? no
Number parity even
Number length 8
Sum of Digits 17
Digital Root 8
Name
twenty-eight million one hundred twenty-one thousand twelve
Scientific notation
2.8121012 × 10^7
Engineering notation
2.8121012 × 10^6
Prime Factorization
2 × 2 × 263 × 26731
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
14060506
Product of the distinct prime numbers
The prime factorization of 28121012 is 2 × 2 × 263 × 26731.
Since it has a total of 4 prime factors.
4 , 5 , 32 , 19 , 894 , 684 , 2193 , 6170 , 3474 , 9907 , 805892 , 657138 , 3472557 , 5675997 , 50989951 , 30955190 , 609908995 , 718108383 , 3182584756 , 3599701711
n×2
56242024
n×3
84363036
n×4
112484048
n×5
140605060
n÷2
14060506
n÷3
9373670.6666667
n÷3
7030253
n÷5
5624202.4
n2
790791315904144
n3
2.2237852084036E+22
n4
6.2535090530941E+29
n5
1.7585500312417E+37
2 √n
5302.9248533239
3 √n
304.09572527905
4 √n
72.821184097238
5 √n
30.889166464532
1 , 2 , 4 , 263 , 526 , 1052 , 26731 , 53462 , 106924 , 7030253 , 14060506 , 28121012
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
-28121011
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 28121012 can be divided by 12 positive divisors.
The sum of these divisors (counting 28121012) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101011010001011110110100
3
Ternary
1221220200202222
4
Quaternary
1223101132310
5
Quinary
24144333022
6
Senary
2442421512
8
Octal
153213664
10
Decimal
28121012
12
Duodecimal
9501898
16
Hexadecimal
1ad17b4
20
Vigesimal
8ff2ac
36
Base36
gqqb8
md5
f07aa633045125d6a2106d6726b7d2df
sha1
23ca6ae7dd8122d30437124dc2b134a671c8abcb
sha256
d193d162c8b8acec60e95e3382ea260c52308ffc7a316152979b8306f2b6e691
sha512
07c57d866334101085971572fea0bfb78b48fd9e7579a566e259d641ec70f014881015c2515a405c2b650f82e087f0f089100f4b54190493ba3ee56cfc51e77b
ripemd-160
bc6be7e28629ab68e11ebaf20fdddf26e8773de2
Diameter
56242024
Circumference
176689529.42142
Area
2.4843441885671E+15
Volume
9.31496969851E+22
Surface area
9.9373767542683E+15
Circumference
176689529.42142
Perimeter
112484048
Area
790791315904144
Diagonal
39769116.558057
Surface area
4744747895424864
Volume
2.2237852084036E+22
Space diagonal
48707021.544254
Perimeter
84363036
Area
3.4242268433256E+14
Altitude
24353510.772127
Surface area
3.4242268433256E+14
Volume
2.6207560012742E+21
Height
13256372.186019