28697812 is an even 8-digits composite number following 28697811
and preceding 28697813 . In scientific notation, it is written as 2.8697812 × 10^7.
The sum of its digits is 43. It has a total of 6 prime factors and 36 positive divisors.
There are 12038400 positive integers (up to 28697812) that are relatively prime to 28697812.
28697812 has 36 divisors, whose sum is 59461108
The reverse of 28697812 is 21879682
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty-eight million six hundred ninety-seven thousand eight hundred twelve
Scientific notation
2.8697812 × 10^7
Engineering notation
2.8697812 × 10^6
Prime Factorization
2 × 2 × 13 × 11 × 11 × 4561
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
1304446
Product of the distinct prime numbers
The prime factorization of 28697812 is 2 × 2 × 13 × 11 × 11 × 4561.
Since it has a total of 6 prime factors.
1 , 2 , 22 , 43 , 585 , 24 , 7463 , 3942 , 44570 , 69468 , 732987 , 7 , 1302328 , 6979685 , 79568545 , 39009092 , 182422334 , 23431451 , 4493417784 , 574401102
n×2
57395624
n×3
86093436
n×4
114791248
n×5
143489060
n÷2
14348906
n÷3
9565937.3333333
n÷3
7174453
n÷5
5739562.4
n2
823564413587344
n3
2.363449671102E+22
n4
6.7825834332747E+29
n5
1.9464530424243E+37
2 √n
5357.0338807963
3 √n
306.16080801216
4 √n
73.191761017182
5 √n
31.014855152624
1 , 2 , 4 , 11 , 13 , 22 , 26 , 44 , 52 , 121 , 143 , 242 , 286 , 484 , 572 , 1573 , 3146 , 4561 , 6292 , 9122 , 18244 , 50171 , 59293 , 100342 , 118586 , 200684 , 237172 , 551881 , 652223 , 1103762 , 1304446 , 2207524 , 2608892 , 7174453 , 14348906 , 28697812
36 divisors
τ
Total Divisors
36
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28697811
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.027777777777778
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
36
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28697812 can be divided by 36 positive divisors.
The sum of these divisors (counting 28697812) is 1, the average is 0.027777777777778.
Base
System
Value
2
Binary
1101101011110010011010100
3
Ternary
1222222222222221
4
Quaternary
1231132103110
5
Quinary
24321312222
6
Senary
2503032124
8
Octal
155362324
10
Decimal
28697812
12
Duodecimal
973b644
16
Hexadecimal
1b5e4d4
20
Vigesimal
8j74ac
36
Base36
h33dg
md5
3e1f9019deb7b27be570f857d306dc92
sha1
352cc15533b32fea30ad5b7a3930b029cd2d3263
sha256
4d66991116e563a1585b19ce4d2a6ebe42b9a47b65ca3166213ae92686964829
sha512
0a317f951530361784d0af26bd87d6a08432f2792343203a960728770a386feb48387518d73c0c667a6af7fbe5707f25cd53a2fbcf07e2a220427489d819e758
ripemd-160
45983de00ea5f81af07906e58f998a3f27f6d44f
Diameter
57395624
Circumference
180313670.7066
Area
2.587303911484E+15
Volume
9.8999948318176E+22
Surface area
1.0349215645936E+16
Circumference
180313670.7066
Perimeter
114791248
Area
823564413587344
Diagonal
40584834.940833
Surface area
4941386481524064
Volume
2.363449671102E+22
Space diagonal
49706068.45006
Perimeter
86093436
Area
3.5661385190974E+14
Altitude
24853034.22503
Surface area
3.5661385190974E+14
Volume
2.7853521490489E+21
Height
13528278.313611