28207930 is an even 8-digits composite number following 28207929
and preceding 28207931 . In scientific notation, it is written as 2.8207930 × 10^7.
The sum of its digits is 31. It has a total of 5 prime factors and 32 positive divisors.
There are 10469376 positive integers (up to 28207930) that are relatively prime to 28207930.
28207930 has 32 divisors, whose sum is 54521424
The reverse of 28207930 is 03970282
Previous prime number is 73
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-eight million two hundred seven thousand nine hundred thirty
Scientific notation
2.8207930 × 10^7
Engineering notation
2.8207930 × 10^6
Prime Factorization
2 × 5 × 17 × 73 × 2273
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
28207930
Product of the distinct prime numbers
The prime factorization of 28207930 is 2 × 5 × 17 × 73 × 2273.
Since it has a total of 5 prime factors.
3 , 9 , 69 , 45 , 919 , 432 , 4672 , 5008 , 1482 , 31727 , 579409 , 115783 , 514053 , 2548685 , 10061060 , 71267289 , 932641724 , 879744242 , 3281453780 , 3224256731
n×2
56415860
n×3
84623790
n×4
112831720
n×5
141039650
n÷2
14103965
n÷3
9402643.3333333
n÷3
7051982.5
n÷5
5641586
n2
795687314884900
n3
2.2444692080161E+22
n4
6.3311830306874E+29
n5
1.7858956774682E+37
2 √n
5311.1138191532
3 √n
304.40870840875
4 √n
72.877388943027
5 √n
30.908237693909
1 , 2 , 5 , 10 , 17 , 34 , 73 , 85 , 146 , 170 , 365 , 730 , 1241 , 2273 , 2482 , 4546 , 6205 , 11365 , 12410 , 22730 , 38641 , 77282 , 165929 , 193205 , 331858 , 386410 , 829645 , 1659290 , 2820793 , 5641586 , 14103965 , 28207930
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
-28207929
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 28207930 can be divided by 32 positive divisors.
The sum of these divisors (counting 28207930) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101011100110101100111010
3
Ternary
1222002010000011
4
Quaternary
1223212230322
5
Quinary
24210123210
6
Senary
2444332134
8
Octal
153465472
10
Decimal
28207930
12
Duodecimal
954404a
16
Hexadecimal
1ae6b3a
20
Vigesimal
8g5jga
36
Base36
gsldm
md5
776e3527012284cc730ff21fac637401
sha1
b4ebdcd321fb4ecdb1540ad9c68285de9718a589
sha256
1a92ba1fc3a8501b12d2efca7a697eab579fda7de3d49b83c2dd538c1d8e41f1
sha512
380e6fbc8b07b0bf57745652dcaa41d79b2ddfb9829531b863a44fa562e2945d13821331eb033e6e7c49071b8c3b91a6488f89264a68e40c97a74c3ea67d4b63
ripemd-160
a07c45fa990ce2d4b457a1ce0440257bede5bf44
Diameter
56415860
Circumference
177235651.32195
Area
2.499725422997E+15
Volume
9.4016106334826E+22
Surface area
9.998901691988E+15
Circumference
177235651.32195
Perimeter
112831720
Area
795687314884900
Diagonal
39892037.172471
Surface area
4774123889309400
Volume
2.2444692080161E+22
Space diagonal
48857567.936346
Perimeter
84623790
Area
3.4454271407968E+14
Altitude
24428783.968173
Surface area
3.4454271407968E+14
Volume
2.6451323285877E+21
Height
13297345.724157