30638865 is an odd 8-digits composite number following 30638864
and preceding 30638866 . In scientific notation, it is written as 3.0638865 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 16340720 positive integers (up to 30638865) that are relatively prime to 30638865.
30638865 has 8 divisors, whose sum is 49022208
The reverse of 30638865 is 56883603
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
thirty million six hundred thirty-eight thousand eight hundred sixty-five
Scientific notation
3.0638865 × 10^7
Engineering notation
3.0638865 × 10^6
Prime Factorization
3 × 5 × 2042591
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
30638865
Product of the distinct prime numbers
The prime factorization of 30638865 is 3 × 5 × 2042591.
Since it has a total of 3 prime factors.
2 , 10 , 80 , 72 , 385 , 62 , 2012 , 2542 , 22395 , 20067 , 177781 , 788614 , 4082941 , 8974038 , 76534263 , 82919839 , 145365367 , 333378863 , 3602749519 , 68084649
n×2
61277730
n×3
91916595
n×4
122555460
n×5
153194325
n÷2
15319432.5
n÷3
10212955
n÷3
7659716.25
n÷5
6127773
n2
938740048488225
n3
2.8761929615724E+22
n4
8.8123287863568E+29
n5
2.699997520208E+37
2 √n
5535.2384772474
3 √n
312.91344529367
4 √n
74.399183310352
5 √n
31.423498465708
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-30638864
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 30638865 can be divided by 8 positive divisors.
The sum of these divisors (counting 30638865) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110100111000001100010001
3
Ternary
2010122121121210
4
Quaternary
1310320030101
5
Quinary
30320420430
6
Senary
3012410333
8
Octal
164701421
10
Decimal
30638865
12
Duodecimal
a3169a9
16
Hexadecimal
1d38311
20
Vigesimal
9b9h35
36
Base36
i8p3l
md5
5e72149fd61d0ed13ddba4decddb371d
sha1
a7e3e0aa0c14cefc16e781989edde51eb734ec25
sha256
2c352b975947adcb2fef16fc6414cb7bcfb638006660bb240f1285efc436180b
sha512
5f522d0c50999ed9937380681b9c2c0f667c54aaf493e11e7a561de6402515ef8601502ad76cae49f17e02adf5cadd839ad115428ee67ce8644b526ba5e0f44d
ripemd-160
1d801cab30abbee94eda5ea2ad18fa6900551eeb
Diameter
61277730
Circumference
192509666.39666
Area
2.9491388399611E+15
Volume
1.204776890451E+23
Surface area
1.1796555359845E+16
Circumference
192509666.39666
Perimeter
122555460
Area
938740048488225
Diagonal
43329898.418718
Surface area
5632440290929350
Volume
2.8761929615724E+22
Space diagonal
53068070.866244
Perimeter
91916595
Area
4.0648636477032E+14
Altitude
26534035.433122
Surface area
4.0648636477032E+14
Volume
3.3896259118815E+21
Height
14443299.472906