38821985 is an odd 8-digits composite number following 38821984
and preceding 38821986 . In scientific notation, it is written as 3.8821985 × 10^7.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 30772224 positive integers (up to 38821985) that are relatively prime to 38821985.
38821985 has 8 divisors, whose sum is 47014440
The reverse of 38821985 is 58912883
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
thirty-eight million eight hundred twenty-one thousand nine hundred eighty-five
Scientific notation
3.8821985 × 10^7
Engineering notation
3.8821985 × 10^6
Prime Factorization
5 × 109 × 71233
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
38821985
Product of the distinct prime numbers
The prime factorization of 38821985 is 5 × 109 × 71233.
Since it has a total of 3 prime factors.
8 , 7 , 66 , 94 , 344 , 42 , 2767 , 9765 , 3318 , 15042 , 534994 , 898922 , 8505588 , 3963155 , 34990042 , 82825693 , 405498117 , 589552946 , 8723783784 , 3638032550
n×2
77643970
n×3
116465955
n×4
155287940
n×5
194109925
n÷2
19410992.5
n÷3
12940661.666667
n÷3
9705496.25
n÷5
7764397
n2
1507146519340225
n3
5.8510419566628E+22
n4
2.2714906307594E+30
n5
8.818377519498E+37
2 √n
6230.729090564
3 √n
338.60438588454
4 √n
78.934967476803
5 √n
32.946975085631
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
-38821984
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 38821985 can be divided by 8 positive divisors.
The sum of these divisors (counting 38821985) is 1, the average is 0.125.
Base
System
Value
2
Binary
10010100000110000001100001
3
Ternary
2201001100202022
4
Quaternary
2110012001201
5
Quinary
34414300420
6
Senary
3504031225
8
Octal
224060141
10
Decimal
38821985
12
Duodecimal
11002515
16
Hexadecimal
2506061
20
Vigesimal
c2cej5
36
Base36
n438h
md5
283f195f2eb98db32e579559d38d1864
sha1
18289ece110a10de70beab19f0038eab6ab551ba
sha256
854803beb25d8a40426632107f941f11ce9d0914e8b723479af85d8fcd249535
sha512
9785e2a85fc19ec1ef864c6f04baebf7f4a5faa6cf5f60501ae3404a02eb02108c0959a1df6377bca92ede445b7b807134f2140665738b950143e4bbe4de1a85
ripemd-160
d1a26beb52dd60acc903a5907dec5b4fceba7213
Diameter
77643970
Circumference
243925725.74755
Area
4.7348404330427E+15
Volume
2.4508787235864E+23
Surface area
1.8939361732171E+16
Circumference
243925725.74755
Perimeter
155287940
Area
1507146519340225
Diagonal
54902577.705245
Surface area
9042879116041350
Volume
5.8510419566628E+22
Space diagonal
67241650.470677
Perimeter
116465955
Area
6.5261358648696E+14
Altitude
33620825.235338
Surface area
6.5261358648696E+14
Volume
6.8955190742722E+21
Height
18300859.235082