30804985 is an odd 8-digits composite number following 30804984
and preceding 30804986 . In scientific notation, it is written as 3.0804985 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 22800960 positive integers (up to 30804985) that are relatively prime to 30804985.
30804985 has 16 divisors, whose sum is 39821760
The reverse of 30804985 is 58940803
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
thirty million eight hundred four thousand nine hundred eighty-five
Scientific notation
3.0804985 × 10^7
Engineering notation
3.0804985 × 10^6
Prime Factorization
5 × 19 × 43 × 7541
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
30804985
Product of the distinct prime numbers
The prime factorization of 30804985 is 5 × 19 × 43 × 7541.
Since it has a total of 4 prime factors.
5 , 4 , 2 , 55 , 776 , 105 , 1387 , 397 , 5122 , 34550 , 416534 , 109548 , 6571806 , 5342194 , 47553938 , 8713138 , 192877375 , 229725656 , 6739842828 , 1111660891
n×2
61609970
n×3
92414955
n×4
123219940
n×5
154024925
n÷2
15402492.5
n÷3
10268328.333333
n÷3
7701246.25
n÷5
6160997
n2
948947100850225
n3
2.9232301207485E+22
n4
9.0050060021205E+29
n5
2.7739907482023E+37
2 √n
5550.2238693588
3 √n
313.47795182688
4 √n
74.499824626363
5 √n
31.457499641868
1 , 5 , 19 , 43 , 95 , 215 , 817 , 4085 , 7541 , 37705 , 143279 , 324263 , 716395 , 1621315 , 6160997 , 30804985
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
-30804984
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 30804985 can be divided by 16 positive divisors.
The sum of these divisors (counting 30804985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110101100000101111111001
3
Ternary
2010222001111101
4
Quaternary
1311200233321
5
Quinary
30341224420
6
Senary
3020131401
8
Octal
165405771
10
Decimal
30804985
12
Duodecimal
a396b61
16
Hexadecimal
1d60bf9
20
Vigesimal
9cac95
36
Base36
ic9a1
md5
a17ea7dcee0c931e05ef73fb7cd95e0a
sha1
cb751fd819f4a0f0e4828f6464975916b0fd6b66
sha256
7a094e9320f3b9bdb73174ebaa0dc6bd46fbb40edac850e69e9cc5a23ee77d03
sha512
b273ff31d628d1806ea809606c2b322b2fe2743f0846d85384b47d653800d740f58fb60978d7aea40a4786fd7b04fd6577156f57a57ef06d9ec75caf0b046ef4
ripemd-160
67ba206b19af1fa631197115e22eb94ccb472e89
Diameter
61609970
Circumference
193553429.13989
Area
2.9812052406764E+15
Volume
1.2244797696128E+23
Surface area
1.1924820962706E+16
Circumference
193553429.13989
Perimeter
123219940
Area
948947100850225
Diagonal
43564827.5757
Surface area
5693682605101350
Volume
2.9232301207485E+22
Space diagonal
53355799.146397
Perimeter
92414955
Area
4.1090614809194E+14
Altitude
26677899.573199
Surface area
4.1090614809194E+14
Volume
3.4450597355834E+21
Height
14521609.1919