30505890 is an even 8-digits composite number following 30505889
and preceding 30505891 . In scientific notation, it is written as 3.0505890 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors.
There are 8084864 positive integers (up to 30505890) that are relatively prime to 30505890.
30505890 has 32 divisors, whose sum is 73664640
The reverse of 30505890 is 09850503
Previous prime number is 167
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
thirty million five hundred five thousand eight hundred ninety
Scientific notation
3.0505890 × 10^7
Engineering notation
3.0505890 × 10^6
Prime Factorization
2 × 3 × 5 × 167 × 6089
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
30505890
Product of the distinct prime numbers
The prime factorization of 30505890 is 2 × 3 × 5 × 167 × 6089.
Since it has a total of 5 prime factors.
4 , 9 , 13 , 42 , 637 , 625 , 4454 , 3182 , 59294 , 38500 , 778999 , 193202 , 1179345 , 2347826 , 54031355 , 72683685 , 831723124 , 578369236 , 4590765401 , 1921660863
n×2
61011780
n×3
91517670
n×4
122023560
n×5
152529450
n÷2
15252945
n÷3
10168630
n÷3
7626472.5
n÷5
6101178
n2
930609324692100
n3
2.8389065692031E+22
n4
8.6603371520389E+29
n5
2.6419129252301E+37
2 √n
5523.2137383954
3 √n
312.46009943897
4 √n
74.318327069408
5 √n
31.396174916172
1 , 2 , 3 , 5 , 6 , 10 , 15 , 30 , 167 , 334 , 501 , 835 , 1002 , 1670 , 2505 , 5010 , 6089 , 12178 , 18267 , 30445 , 36534 , 60890 , 91335 , 182670 , 1016863 , 2033726 , 3050589 , 5084315 , 6101178 , 10168630 , 15252945 , 30505890
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
-30505889
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 30505890 can be divided by 32 positive divisors.
The sum of these divisors (counting 30505890) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1110100010111101110100010
3
Ternary
2010101212012210
4
Quaternary
1310113232202
5
Quinary
30302142030
6
Senary
3005502550
8
Octal
164275642
10
Decimal
30505890
12
Duodecimal
a271a56
16
Hexadecimal
1d17ba2
20
Vigesimal
9ad4ea
36
Base36
i5uhu
md5
15561f2617df80d9b5d6918b41fb30b8
sha1
7085939e7e89656a8383bcf2ebc7b77fc9c4bfc7
sha256
c8572c40bd7c9734960ea940a8fbac2fbd4e5be65af45da184e36a5bb8b407be
sha512
94811d4ef503c9b24563a10468f8e62fb0f063c1d313babecab3ddad9397e8cdc2d433f38d1e112c23e437111fa17cb3e8460f5ebc02bab15c25f9190b2d9707
ripemd-160
7882c1a8085e5caa689a05cabedcc0f10cf6808b
Diameter
61011780
Circumference
191674159.83044
Area
2.9235954178149E+15
Volume
1.1891584029382E+23
Surface area
1.1694381671259E+16
Circumference
191674159.83044
Perimeter
122023560
Area
930609324692100
Diagonal
43141843.370262
Surface area
5583655948152600
Volume
2.8389065692031E+22
Space diagonal
52837751.410107
Perimeter
91517670
Area
4.0296565809102E+14
Altitude
26418875.705054
Surface area
4.0296565809102E+14
Volume
3.3456834770643E+21
Height
14380614.456754