30888945 is an odd 8-digits composite number following 30888944
and preceding 30888946 . In scientific notation, it is written as 3.0888945 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 16473456 positive integers (up to 30888945) that are relatively prime to 30888945.
30888945 has 16 divisors, whose sum is 42712320
The reverse of 30888945 is 54988803
Previous prime number is 27
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
thirty million eight hundred eighty-eight thousand nine hundred forty-five
Scientific notation
3.0888945 × 10^7
Engineering notation
3.0888945 × 10^6
Prime Factorization
5 × 9 × 27 × 25423
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
30888945
Product of the distinct prime numbers
The prime factorization of 30888945 is 5 × 9 × 27 × 25423.
Since it has a total of 4 prime factors.
1 , 4 , 71 , 1 , 260 , 208 , 8157 , 5678 , 69080 , 56313 , 45176 , 870624 , 5487619 , 8697609 , 88163743 , 11310872 , 888412216 , 127842432 , 4920270817 , 694391882
n×2
61777890
n×3
92666835
n×4
123555780
n×5
154444725
n÷2
15444472.5
n÷3
10296315
n÷3
7722236.25
n÷5
6177789
n2
954126923213025
n3
2.9471974054146E+22
n4
9.1035818559995E+29
n5
2.8120003925297E+37
2 √n
5557.7823814899
3 √n
313.76249163241
4 √n
74.550535755888
5 √n
31.474628667768
1 , 5 , 9 , 27 , 45 , 135 , 243 , 1215 , 25423 , 127115 , 228807 , 686421 , 1144035 , 3432105 , 6177789 , 30888945
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
-30888944
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 30888945 can be divided by 16 positive divisors.
The sum of these divisors (counting 30888945) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110101110101001111110001
3
Ternary
2011010022200000
4
Quaternary
1311311033301
5
Quinary
30401421240
6
Senary
3022020213
8
Octal
165651761
10
Decimal
30888945
12
Duodecimal
a417669
16
Hexadecimal
1d753f1
20
Vigesimal
9d1275
36
Base36
ie229
md5
aa2df435943487969e982efdd7601bb4
sha1
8e39bff22a343b5486a7e400c9af47b7a2cd6d80
sha256
9edfd5bff25e89ff994014e715336aca8f63ccdda4bdedc02257fc4cf4fdf53d
sha512
68f376b025896d370b27e86000ba6ed3d13ee28670cf72d8b902ebc1b8d215c4fa02188198bdb172918e23ae8d695f44c204f4fa3b63a3b7c433f8ecc8f42ed6
ripemd-160
d0c7ebcbf4c0f004a7ce0c80a57075c890130aad
Diameter
61777890
Circumference
194080965.37828
Area
2.9974781325583E+15
Volume
1.2345191623373E+23
Surface area
1.1989912530233E+16
Circumference
194080965.37828
Perimeter
123555780
Area
954126923213025
Diagonal
43683564.946397
Surface area
5724761539278150
Volume
2.9471974054146E+22
Space diagonal
53501222.132201
Perimeter
92666835
Area
4.1314907696858E+14
Altitude
26750611.0661
Surface area
4.1314907696858E+14
Volume
3.4733054514401E+21
Height
14561188.315466