64997788 is an even 8-digits composite number following 64997787
and preceding 64997789 . In scientific notation, it is written as 6.4997788 × 10^7.
The sum of its digits is 58. It has a total of 3 prime factors and 6 positive divisors.
There are 32498892 positive integers (up to 64997788) that are relatively prime to 64997788.
64997788 has 6 divisors, whose sum is 113746136
The reverse of 64997788 is 88779946
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 58
Digital Root 4
Name
sixty-four million nine hundred ninety-seven thousand seven hundred eighty-eight
Scientific notation
6.4997788 × 10^7
Engineering notation
6.4997788 × 10^6
Prime Factorization
2 × 2 × 16249447
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
32498894
Product of the distinct prime numbers
The prime factorization of 64997788 is 2 × 2 × 16249447.
Since it has a total of 3 prime factors.
4 , 7 , 49 , 12 , 326 , 401 , 4065 , 7175 , 53343 , 2870 , 425947 , 941947 , 2348036 , 5329866 , 91589144 , 46491207 , 572802636 , 465646251 , 691081826 , 9311548899
n×2
129995576
n×3
194993364
n×4
259991152
n×5
324988940
n÷2
32498894
n÷3
21665929.333333
n÷3
16249447
n÷5
12999557.6
n2
4224712444892944
n3
2.7459696385411E+23
n4
1.7848195242033E+31
n5
1.1600932105243E+39
2 √n
8062.120564715
3 √n
402.06801486082
4 √n
89.789312085097
5 √n
36.524116166528
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-64997787
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 64997788 can be divided by 6 positive divisors.
The sum of these divisors (counting 64997788) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
11110111111100100110011100
3
Ternary
11112022020012111
4
Quaternary
3313330212130
5
Quinary
113114412123
6
Senary
10241043404
8
Octal
367744634
10
Decimal
64997788
12
Duodecimal
19926564
16
Hexadecimal
3dfc99c
20
Vigesimal
1064e98
36
Base36
12p4m4
md5
819c668a5d7f14597c8bcd91349e4fb4
sha1
7fe28e33d6eded1487872c0341e66e6d1374e778
sha256
fcf7661fc665a83f6950390cc550754b25e28b2c2aecf55aeee53b4b7515171c
sha512
4d83c04d80ff5ddf5d695d012f96d056c0f8f22bb3687018d41decbde0f87d495c261e3fba531f8e42df4eb6b660ef412c3c74fd92353d421006019b2c9ea8c7
ripemd-160
0b900fc7fcfc39299c65652f6aed74462f2a78ad
Diameter
129995576
Circumference
408393146.56077
Area
1.3272325580405E+16
Volume
1.1502290724562E+24
Surface area
5.308930232162E+16
Circumference
408393146.56077
Perimeter
259991152
Area
4224712444892944
Diagonal
91920753.313851
Surface area
25348274669357664
Volume
2.7459696385411E+23
Space diagonal
112579471.19559
Perimeter
194993364
Area
1.8293541504808E+15
Altitude
56289735.597795
Surface area
1.8293541504808E+15
Volume
3.236156253908E+22
Height
30640251.104617