38218905 is an odd 8-digits composite number following 38218904
and preceding 38218906 . In scientific notation, it is written as 3.8218905 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors.
There are 20174400 positive integers (up to 38218905) that are relatively prime to 38218905.
38218905 has 24 divisors, whose sum is 59489664
The reverse of 38218905 is 50981283
Previous prime number is 2803
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
thirty-eight million two hundred eighteen thousand nine hundred five
Scientific notation
3.8218905 × 10^7
Engineering notation
3.8218905 × 10^6
Prime Factorization
3 × 15 × 3 × 2803 × 101
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
12739635
Product of the distinct prime numbers
The prime factorization of 38218905 is 3 × 15 × 3 × 2803 × 101.
Since it has a total of 5 prime factors.
4 , 8 , 39 , 99 , 93 , 125 , 4638 , 4031 , 60473 , 33328 , 70248 , 40772 , 2817521 , 5762958 , 15347366 , 15969779 , 11787549 , 554850979 , 8193903102 , 2955376316
n×2
76437810
n×3
114656715
n×4
152875620
n×5
191094525
n÷2
19109452.5
n÷3
12739635
n÷3
9554726.25
n÷5
7643781
n2
1460684699399025
n3
5.5825769761285E+22
n4
2.1335997910584E+30
n5
8.1543847722482E+37
2 √n
6182.1440455557
3 √n
336.84187799592
4 √n
78.626611560945
5 √n
32.843970093658
1 , 3 , 9 , 15 , 45 , 101 , 135 , 303 , 909 , 1515 , 2803 , 4545 , 8409 , 13635 , 25227 , 42045 , 126135 , 283103 , 378405 , 849309 , 2547927 , 4246545 , 12739635 , 38218905
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-38218904
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 38218905 can be divided by 24 positive divisors.
The sum of these divisors (counting 38218905) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
10010001110010110010011001
3
Ternary
2122220201111000
4
Quaternary
2101302302121
5
Quinary
34241001110
6
Senary
3443055213
8
Octal
221626231
10
Decimal
38218905
12
Duodecimal
10971509
16
Hexadecimal
2472c99
20
Vigesimal
bih755
36
Base36
mr5w9
md5
12b5b150fd9b8bc1c10ca86544a5b581
sha1
5eeb9d9475822d5e7914c78f01c9b5707e4d0fc7
sha256
b35af5a9d702e32d742a805f57a9b35319af166cf990d21ca7b86680bc7b56ae
sha512
644c29c07798e631c5916843c46508fd8b465043de03d451d718b2061c950e1db54a72a8f108d3ad2fe1055d37daa2f2e9c0151a154f230424f867129b40b1dc
ripemd-160
2e84b5413b11f941b693b14e76784ea95b7c3ddf
Diameter
76437810
Circumference
240136462.35249
Area
4.588876320843E+15
Volume
2.3384243755073E+23
Surface area
1.8355505283372E+16
Circumference
240136462.35249
Perimeter
152875620
Area
1460684699399025
Diagonal
54049693.790049
Surface area
8764108196394150
Volume
5.5825769761285E+22
Space diagonal
66197085.269648
Perimeter
114656715
Area
6.324950282994E+14
Altitude
33098542.634824
Surface area
6.324950282994E+14
Volume
6.5791300605272E+21
Height
18016564.596683