28381330 is an even 8-digits composite number following 28381329
and preceding 28381331 . In scientific notation, it is written as 2.8381330 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 10684672 positive integers (up to 28381330) that are relatively prime to 28381330.
28381330 has 16 divisors, whose sum is 54091800
The reverse of 28381330 is 03318382
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-eight million three hundred eighty-one thousand three hundred thirty
Scientific notation
2.8381330 × 10^7
Engineering notation
2.8381330 × 10^6
Prime Factorization
2 × 17 × 5 × 166949
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28381330
Product of the distinct prime numbers
The prime factorization of 28381330 is 2 × 17 × 5 × 166949.
Since it has a total of 4 prime factors.
4 , 7 , 9 , 87 , 358 , 628 , 6665 , 6101 , 42000 , 16579 , 205254 , 484561 , 1833644 , 7366060 , 16334309 , 57441206 , 947925195 , 510588631 , 7744129899 , 7480732462
n×2
56762660
n×3
85143990
n×4
113525320
n×5
141906650
n÷2
14190665
n÷3
9460443.3333333
n÷3
7095332.5
n÷5
5676266
n2
805499892568900
n3
2.2861158265962E+22
n4
6.4883007692851E+29
n5
1.8414660527233E+37
2 √n
5327.4130682724
3 √n
305.03118914232
4 √n
72.989129795281
5 √n
30.946144470187
1 , 2 , 5 , 10 , 17 , 34 , 85 , 170 , 166949 , 333898 , 834745 , 1669490 , 2838133 , 5676266 , 14190665 , 28381330
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28381329
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28381330 can be divided by 16 positive divisors.
The sum of these divisors (counting 28381330) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101100010001000010010010
3
Ternary
1222101220212101
4
Quaternary
1230101002102
5
Quinary
24231200310
6
Senary
2452151014
8
Octal
154210222
10
Decimal
28381330
12
Duodecimal
960846a
16
Hexadecimal
1b11092
20
Vigesimal
8h7d6a
36
Base36
gwb6a
md5
f8b46665da16e9289f5d934410bdae40
sha1
2013c58d650c3868e747f8f70c54c4c0019f2460
sha256
3c6049cd9a3e048fc05b9eeda3cf17c3e30f94657e9902dbe0080db2f7ce6c85
sha512
f9246029b8f0cd0583185bf7b8b6f46c887e25872cbda98a97aca7dedbd23851f2f0e14affd726e62ff5b58032ae04ca63136c36e9df172f7687ae41ac954a01
ripemd-160
990db56f233813c1f71432eef540eecf5808b157
Diameter
56762660
Circumference
178325155.65422
Area
2.5305525449618E+15
Volume
9.5760595814535E+22
Surface area
1.0122210179847E+16
Circumference
178325155.65422
Perimeter
113525320
Area
805499892568900
Diagonal
40137261.804186
Surface area
4832999355413400
Volume
2.2861158265962E+22
Space diagonal
49157905.546379
Perimeter
85143990
Area
3.4879168485515E+14
Altitude
24578952.773189
Surface area
3.4879168485515E+14
Volume
2.6942133392735E+21
Height
13379087.268062