65388621 is an odd 8-digits composite number following 65388620
and preceding 65388622 . In scientific notation, it is written as 6.5388621 × 10^7.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 43592412 positive integers (up to 65388621) that are relatively prime to 65388621.
65388621 has 4 divisors, whose sum is 87184832
The reverse of 65388621 is 12688356
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
sixty-five million three hundred eighty-eight thousand six hundred twenty-one
Scientific notation
6.5388621 × 10^7
Engineering notation
6.5388621 × 10^6
Prime Factorization
3 × 21796207
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
65388621
Product of the distinct prime numbers
The prime factorization of 65388621 is 3 × 21796207.
Since it has a total of 2 prime factors.
2 , 4 , 35 , 63 , 222 , 55 , 620 , 6620 , 33069 , 94544 , 511567 , 758499 , 5134184 , 8650701 , 94131160 , 97155256 , 830706363 , 689808939 , 1259480226 , 9513746117
n×2
130777242
n×3
196165863
n×4
261554484
n×5
326943105
n÷2
32694310.5
n÷3
21796207
n÷3
16347155.25
n÷5
13077724.2
n2
4275671756281641
n3
2.795802799919E+23
n4
1.8281368967465E+31
n5
1.1953935067747E+39
2 √n
8086.3230828356
3 √n
402.87228598218
4 √n
89.923985025329
5 √n
36.5679349479
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-65388620
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 65388621 can be divided by 4 positive divisors.
The sum of these divisors (counting 65388621) is 1, the average is 0.25.
Base
System
Value
2
Binary
11111001011100000001001101
3
Ternary
11120001002022210
4
Quaternary
3321130001031
5
Quinary
113214413441
6
Senary
10253301033
8
Octal
371340115
10
Decimal
65388621
12
Duodecimal
19a94779
16
Hexadecimal
3e5c04d
20
Vigesimal
108dbb1
36
Base36
12xi6l
md5
a3f461a4aee9666ad05db34f87b20d5e
sha1
d4b3bd0d6e2b68687b6424f7d8f5021434b359bb
sha256
0376b24bb49304610e9ea55b4f1ec95358fdca193619be1082bd160e96fabfbe
sha512
27ccc05d3f29b42f56c5f61c38270b793223d898d54ef9ab9328cab926877fa8994f16ccc53d67c339a2d71adec29e783d471fc29ae2a353d24343e14f0e4b4f
ripemd-160
557f59495c148e7c3b76c84e9af97aaba35c14fb
Diameter
130777242
Circumference
410848822.72393
Area
1.3432418978696E+16
Volume
1.1711031382815E+24
Surface area
5.3729675914783E+16
Circumference
410848822.72393
Perimeter
261554484
Area
4275671756281641
Diagonal
92473474.643074
Surface area
25654030537689846
Volume
2.795802799919E+23
Space diagonal
113256413.80887
Perimeter
196165863
Area
1.8514201795918E+15
Altitude
56628206.904433
Surface area
1.8514201795918E+15
Volume
3.2948851978052E+22
Height
30824491.547691