28137213 is an odd 8-digits composite number following 28137212
and preceding 28137214 . In scientific notation, it is written as 2.8137213 × 10^7.
The sum of its digits is 27. It has a total of 6 prime factors and 24 positive divisors.
There are 17309376 positive integers (up to 28137213) that are relatively prime to 28137213.
28137213 has 24 divisors, whose sum is 43243200
The reverse of 28137213 is 31273182
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-eight million one hundred thirty-seven thousand two hundred thirteen
Scientific notation
2.8137213 × 10^7
Engineering notation
2.8137213 × 10^6
Prime Factorization
39 × 3 × 9 × 3 × 3 × 2969
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3126357
Product of the distinct prime numbers
The prime factorization of 28137213 is 39 × 3 × 9 × 3 × 3 × 2969.
Since it has a total of 6 prime factors.
9 , 7 , 70 , 91 , 247 , 745 , 2614 , 1545 , 51695 , 79718 , 490512 , 427905 , 6763996 , 4290067 , 20233586 , 21042712 , 17822511 , 739794493 , 6338437868 , 7049376092
n×2
56274426
n×3
84411639
n×4
112548852
n×5
140686065
n÷2
14068606.5
n÷3
9379071
n÷3
7034303.25
n÷5
5627442.6
n2
791702755407369
n3
2.2276309061584E+22
n4
6.2679325291962E+29
n5
1.7636215264362E+37
2 √n
5304.452186607
3 √n
304.15411233186
4 √n
72.831670217063
5 √n
30.892724800925
1 , 3 , 9 , 27 , 39 , 81 , 117 , 243 , 351 , 1053 , 2969 , 3159 , 8907 , 9477 , 26721 , 80163 , 115791 , 240489 , 347373 , 721467 , 1042119 , 3126357 , 9379071 , 28137213
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28137212
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28137213 can be divided by 24 positive divisors.
The sum of these divisors (counting 28137213) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101011010101011011111101
3
Ternary
1221221112000000
4
Quaternary
1223111123331
5
Quinary
24200342323
6
Senary
2443024513
8
Octal
153253375
10
Decimal
28137213
12
Duodecimal
950b139
16
Hexadecimal
1ad56fd
20
Vigesimal
8fh30d
36
Base36
gr2t9
md5
3c6d00326e22a02641c7f3caaf2e9344
sha1
3df5b81fe4e285a534d6cf1ca8183c7f9646a348
sha256
b591b0707126010fee235e9981115990c1b0877d41501b110d0290ec46de1276
sha512
94009c67fcb41e59dead1651e76cd67a60e5b7dba415dc028019b07d0f63e949f9102ba5bc6d4e1f5f37b9c1296487c4e1ee4e61174c9a4fee7d8b95b4a66e1c
ripemd-160
047f170d0ca3b25cd878063baeec04aa1e21864f
Diameter
56274426
Circumference
176791323.30658
Area
2.4872075602146E+15
Volume
9.3310785195958E+22
Surface area
9.9488302408584E+15
Circumference
176791323.30658
Perimeter
112548852
Area
791702755407369
Diagonal
39792028.231981
Surface area
4750216532444214
Volume
2.2276309061584E+22
Space diagonal
48735082.499388
Perimeter
84411639
Area
3.4281734921446E+14
Altitude
24367541.249694
Surface area
3.4281734921446E+14
Volume
2.6252881995422E+21
Height
13264009.41066