64985655 is an odd 8-digits composite number following 64985654
and preceding 64985656 . In scientific notation, it is written as 6.4985655 × 10^7.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 29517696 positive integers (up to 64985655) that are relatively prime to 64985655.
64985655 has 16 divisors, whose sum is 82219104
The reverse of 64985655 is 55658946
Previous prime number is 163
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
sixty-four million nine hundred eighty-five thousand six hundred fifty-five
Scientific notation
6.4985655 × 10^7
Engineering notation
6.4985655 × 10^6
Prime Factorization
21 × 5 × 163 × 3797
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
64985655
Product of the distinct prime numbers
The prime factorization of 64985655 is 21 × 5 × 163 × 3797.
Since it has a total of 4 prime factors.
5 , 9 , 19 , 3 , 170 , 535 , 8028 , 1021 , 10172 , 51339 , 456227 , 773101 , 2272118 , 5340828 , 46688776 , 38548845 , 151840920 , 154728490 , 3875371469 , 6948802617
n×2
129971310
n×3
194956965
n×4
259942620
n×5
324928275
n÷2
32492827.5
n÷3
21661885
n÷3
16246413.75
n÷5
12997131
n2
4223135355779025
n3
2.7444321724896E+23
n4
1.7834872233231E+31
n5
1.1590108539178E+39
2 √n
8061.3680600752
3 √n
402.04299557454
4 √n
89.785121596371
5 √n
36.522752488756
1 , 5 , 21 , 105 , 163 , 815 , 3423 , 3797 , 17115 , 18985 , 79737 , 398685 , 618911 , 3094555 , 12997131 , 64985655
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
-64985654
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 64985655 can be divided by 16 positive divisors.
The sum of these divisors (counting 64985655) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11110111111001101000110111
3
Ternary
11112021121120010
4
Quaternary
3313321220313
5
Quinary
113114020110
6
Senary
10240511303
8
Octal
367715067
10
Decimal
64985655
12
Duodecimal
1991b533
16
Hexadecimal
3df9a37
20
Vigesimal
106342f
36
Base36
12ov93
md5
4eb99ce3f90131afee46aed9b6b6f50c
sha1
6444c1965869a9e1d60642bc58dacff80eb36fcc
sha256
fd082b80f56ae44fed48bb613c7839c30969b7fbfeef2694ac3f8d406ca2de3b
sha512
475ae01f4ea974a780b822731f475c21903ab1b4bf38d81fb14bff162396338d30c804ff44f14bd632b40bdcd768eeb5573f3a0bf1f55b0f6ec7e58011cfe1c5
ripemd-160
8658106ef43efdb79d3e41d2bc043c3e9b54e299
Diameter
129971310
Circumference
408316912.67344
Area
1.3267371008831E+16
Volume
1.1495850601825E+24
Surface area
5.3069484035323E+16
Circumference
408316912.67344
Perimeter
259942620
Area
4223135355779025
Diagonal
91903594.660699
Surface area
25338812134674150
Volume
2.7444321724896E+23
Space diagonal
112558456.22314
Perimeter
194956965
Area
1.8286712508624E+15
Altitude
56279228.111571
Surface area
1.8286712508624E+15
Volume
3.2343443327899E+22
Height
30634531.553566