28449912 is an even 8-digits composite number following 28449911
and preceding 28449913 . In scientific notation, it is written as 2.8449912 × 10^7.
The sum of its digits is 39. It has a total of 6 prime factors and 32 positive divisors.
There are 9327360 positive integers (up to 28449912) that are relatively prime to 28449912.
28449912 has 32 divisors, whose sum is 72294480
The reverse of 28449912 is 21994482
Previous prime number is 61
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-eight million four hundred forty-nine thousand nine hundred twelve
Scientific notation
2.8449912 × 10^7
Engineering notation
2.8449912 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 61 × 19433
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
7112478
Product of the distinct prime numbers
The prime factorization of 28449912 is 2 × 2 × 2 × 3 × 61 × 19433.
Since it has a total of 6 prime factors.
9 , 4 , 8 , 76 , 18 , 312 , 3296 , 7929 , 37329 , 66098 , 464866 , 344771 , 9209409 , 5267662 , 95845902 , 18055402 , 311430455 , 277949332 , 1393544931 , 4942960914
n×2
56899824
n×3
85349736
n×4
113799648
n×5
142249560
n÷2
14224956
n÷3
9483304
n÷3
7112478
n÷5
5689982.4
n2
809397492807744
n3
2.3027287443401E+22
n4
6.5512430136346E+29
n5
1.8638228722852E+37
2 √n
5333.845892037
3 √n
305.27668880924
4 √n
73.033183499263
5 √n
30.961085983017
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 61 , 122 , 183 , 244 , 366 , 488 , 732 , 1464 , 19433 , 38866 , 58299 , 77732 , 116598 , 155464 , 233196 , 466392 , 1185413 , 2370826 , 3556239 , 4741652 , 7112478 , 9483304 , 14224956 , 28449912
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28449911
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28449912 can be divided by 32 positive divisors.
The sum of these divisors (counting 28449912) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101100100001110001111000
3
Ternary
1222112101221110
4
Quaternary
1230201301320
5
Quinary
24240344122
6
Senary
2453440320
8
Octal
154416170
10
Decimal
28449912
12
Duodecimal
96400a0
16
Hexadecimal
1b21c78
20
Vigesimal
8hg4fc
36
Base36
gxs3c
md5
55aec2f461f7080d1172f56515aa1276
sha1
42da780c84ac8eaefdce633fdd66693ab3bff467
sha256
05835a2a3361c2ca428ca099eedceb66f98cb3da836dd17dd62148b4ab28b0e6
sha512
cb9aa3e4d449852f3d5856ec512b367f30f03b4c9acf3ddcac0d598573db6b6ce643207dd1840329bfd5066e820cea5ce6224965ca9291e0f26a03ebeffdfeb7
ripemd-160
62c8f7f64f1c6b9309b2b91a71889ef2d873ac31
Diameter
56899824
Circumference
178756069.06895
Area
2.5427972172388E+15
Volume
9.6456476085719E+22
Surface area
1.0171188868955E+16
Circumference
178756069.06895
Perimeter
113799648
Area
809397492807744
Diagonal
40234251.398721
Surface area
4856384956846464
Volume
2.3027287443401E+22
Space diagonal
49276693.054863
Perimeter
85349736
Area
3.5047939526547E+14
Altitude
24638346.527432
Surface area
3.5047939526547E+14
Volume
2.7137918505934E+21
Height
13411417.132907