64687639 is an odd 8-digits prime number following 64687638
and preceding 64687640 . In scientific notation, it is written as 6.4687639 × 10^7.
The sum of its digits is 49. It has a total of 1 prime factors and 2 positive divisors.
There are 64687638 positive integers (up to 64687639) that are relatively prime to 64687639.
64687639 has 2 divisors, whose sum is 64687640
The reverse of 64687639 is 93678646
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
sixty-four million six hundred eighty-seven thousand six hundred thirty-nine
Scientific notation
6.4687639 × 10^7
Engineering notation
6.4687639 × 10^6
Prime Factorization
64687639
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
64687639
Product of the distinct prime numbers
The prime factorization of 64687639 is 64687639.
Since it has a total of 1 prime factors.
10 , 3 , 28 , 63 , 578 , 5 , 9409 , 5292 , 31922 , 12387 , 724801 , 128320 , 8446033 , 6211551 , 69689013 , 97058248 , 723168057 , 388468705 , 7787353570 , 4442809735
n×2
129375278
n×3
194062917
n×4
258750556
n×5
323438195
n÷2
32343819.5
n÷3
21562546.333333
n÷3
16171909.75
n÷5
12937527.8
n2
4184490639394321
n3
2.7068481988002E+23
n4
1.7509961911179E+31
n5
1.1326780950141E+39
2 √n
8042.8626122793
3 √n
401.42748093549
4 √n
89.682008297536
5 √n
36.489193127242
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
64687640
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
32343820
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
8042.8626744462
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999690822
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 64687639 can be divided by 2 positive divisors.
The sum of these divisors (counting 64687639) is 64687640, the average is 32343820.
Base
System
Value
2
Binary
11110110110000111000010111
3
Ternary
11111201110202111
4
Quaternary
3312300320113
5
Quinary
113030001024
6
Senary
10230251451
8
Octal
366607027
10
Decimal
64687639
12
Duodecimal
197b6b87
16
Hexadecimal
3db0e17
20
Vigesimal
1045j1j
36
Base36
12ihav
md5
967593145a3c73a0d826059cfda0986c
sha1
57d0031700ccc9130eec7ae6c66d6f458f8a5a20
sha256
93c042d15875568c233a77b6e19c4e8d9ddebd5bd3c3e300d571f80693225a8f
sha512
5b6cc826274586c16532a7439019d6edaa08d3ce89b8770f35bf43d75a1c85fcb3230c2869bab6eeefb755d54350c5432683a8ec05c948e715034e3ad4b153d1
ripemd-160
6e69b2cb65a525f0608ac1a8ed9d8be9ff6c757a
Diameter
129375278
Circumference
406444422.92094
Area
1.3145965051736E+16
Volume
1.1338419220978E+24
Surface area
5.2583860206946E+16
Circumference
406444422.92094
Perimeter
258750556
Area
4184490639394321
Diagonal
91482136.391695
Surface area
25106943836365926
Volume
2.7068481988002E+23
Space diagonal
112042277.36967
Perimeter
194062917
Area
1.8119375978068E+15
Altitude
56021138.684837
Surface area
1.8119375978068E+15
Volume
3.1900511950237E+22
Height
30494045.463898