65840981 is an odd 8-digits composite number following 65840980
and preceding 65840982 . In scientific notation, it is written as 6.5840981 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 65162112 positive integers (up to 65840981) that are relatively prime to 65840981.
65840981 has 4 divisors, whose sum is 66519852
The reverse of 65840981 is 18904856
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
sixty-five million eight hundred forty thousand nine hundred eighty-one
Scientific notation
6.5840981 × 10^7
Engineering notation
6.5840981 × 10^6
Prime Factorization
97 × 678773
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
65840981
Product of the distinct prime numbers
The prime factorization of 65840981 is 97 × 678773.
Since it has a total of 2 prime factors.
2 , 8 , 5 , 45 , 898 , 865 , 731 , 6064 , 16330 , 11520 , 857357 , 816616 , 4840678 , 7711154 , 60308384 , 24051201 , 604811112 , 252057464 , 4993611095 , 1515868025
n×2
131681962
n×3
197522943
n×4
263363924
n×5
329204905
n÷2
32920490.5
n÷3
21946993.666667
n÷3
16460245.25
n÷5
13168196.2
n2
4335034779042361
n3
2.8542294252127E+23
n4
1.8792526535507E+31
n5
1.2373183825663E+39
2 √n
8114.2455595083
3 √n
403.79917844859
4 √n
90.079107230857
5 √n
36.618391082526
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
-65840980
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 65840981 can be divided by 4 positive divisors.
The sum of these divisors (counting 65840981) is 1, the average is 0.25.
Base
System
Value
2
Binary
11111011001010011101010101
3
Ternary
11120220001211212
4
Quaternary
3323022131111
5
Quinary
113323402411
6
Senary
10311111205
8
Octal
373123525
10
Decimal
65840981
12
Duodecimal
1a072505
16
Hexadecimal
3eca755
20
Vigesimal
10ba291
36
Base36
137785
md5
6cd91491d13d25d0a825384aa91897f4
sha1
3fbe124aa8d007ae91cba8cc04eda51fd893ae66
sha256
6a1dce2a37e3dd5ede653552dae9b60cd3009fc54530b9f106c657391d31244c
sha512
80f8615e3708a1421004b6f688117e30f20bdc3b7bb17cd58d9f537e0e9752fcf038653d72a69340951b769305db0896a98c80905be40c9675429a6f29bde6d0
ripemd-160
b0dec8d435a3643d72f34077bac16d79037c29f7
Diameter
131681962
Circumference
413691084.42949
Area
1.3618913414896E+16
Volume
1.1955768258544E+24
Surface area
5.4475653659583E+16
Circumference
413691084.42949
Perimeter
263363924
Area
4335034779042361
Diagonal
93113208.290149
Surface area
26010208674254166
Volume
2.8542294252127E+23
Space diagonal
114039924.31218
Perimeter
197522943
Area
1.8771251224699E+15
Altitude
57019962.156089
Surface area
1.8771251224699E+15
Volume
3.3637416360501E+22
Height
31037736.096716