64831985 is an odd 8-digits composite number following 64831984
and preceding 64831986 . In scientific notation, it is written as 6.4831985 × 10^7.
The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors.
There are 50668800 positive integers (up to 64831985) that are relatively prime to 64831985.
64831985 has 16 divisors, whose sum is 79606800
The reverse of 64831985 is 58913846
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
sixty-four million eight hundred thirty-one thousand nine hundred eighty-five
Scientific notation
6.4831985 × 10^7
Engineering notation
6.4831985 × 10^6
Prime Factorization
5 × 349 × 53 × 701
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64831985
Product of the distinct prime numbers
The prime factorization of 64831985 is 5 × 349 × 53 × 701.
Since it has a total of 4 prime factors.
2 , 3 , 4 , 3 , 23 , 710 , 1845 , 9598 , 60845 , 42891 , 732912 , 842346 , 7814595 , 7802737 , 47089980 , 59566445 , 710187671 , 807489122 , 9900036206 , 1958303353
n×2
129663970
n×3
194495955
n×4
259327940
n×5
324159925
n÷2
32415992.5
n÷3
21610661.666667
n÷3
16207996.25
n÷5
12966397
n2
4203186279040225
n3
2.7250090979494E+23
n4
1.7666774896312E+31
n5
1.1453720850761E+39
2 √n
8051.83115819
3 √n
401.72584502136
4 √n
89.731996290008
5 √n
36.505463234473
1 , 5 , 53 , 265 , 349 , 701 , 1745 , 3505 , 18497 , 37153 , 92485 , 185765 , 244649 , 1223245 , 12966397 , 64831985
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-64831984
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 64831985 can be divided by 16 positive divisors.
The sum of these divisors (counting 64831985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11110111010100000111110001
3
Ternary
11111222210202122
4
Quaternary
3313110013301
5
Quinary
113044110420
6
Senary
10233324025
8
Octal
367240761
10
Decimal
64831985
12
Duodecimal
19866615
16
Hexadecimal
3dd41f1
20
Vigesimal
1053jj5
36
Base36
12lkoh
md5
a37930e151923f413e7d5010ccc6d4de
sha1
327c1aa6c6d7c1d1a6d3779d4f53c2d8090b2f63
sha256
765310062ca453126238799bfd3eb4ecbf7b45831c0cdef051f5deb2a8e3a822
sha512
01000d64236b7cc9a0838db0bdc5c7fe160e2531f7877fb5caa168b169a39bf9ecc918a0772c417ade682f9222351e89d0a55f6e7e3d596c7caf64bef80f8928
ripemd-160
d4cacd0224a77183ef9e7b60b8b7dd4a0bab0ac1
Diameter
129663970
Circumference
407351375.58729
Area
1.3204699135902E+16
Volume
1.1414491417444E+24
Surface area
5.2818796543609E+16
Circumference
407351375.58729
Perimeter
259327940
Area
4203186279040225
Diagonal
91686272.462569
Surface area
25219117674241350
Volume
2.7250090979494E+23
Space diagonal
112292291.97554
Perimeter
194495955
Area
1.8200330472435E+15
Altitude
56146145.987772
Surface area
1.8200330472435E+15
Volume
3.2114540199251E+22
Height
30562090.820856