8216981 is an odd 7-digits composite number following 8216980
and preceding 8216982 . In scientific notation, it is written as 8.216981 × 10^6.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 8169312 positive integers (up to 8216981) that are relatively prime to 8216981.
8216981 has 4 divisors, whose sum is 8264652
The reverse of 8216981 is 1896128
Previous prime number is 173
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 35
Digital Root 8
Name
eight million two hundred sixteen thousand nine hundred eighty-one
Scientific notation
8.216981 × 10^6
Engineering notation
8.216981 × 10^6
Prime Factorization
173 × 47497
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
8216981
Product of the distinct prime numbers
The prime factorization of 8216981 is 173 × 47497.
Since it has a total of 2 prime factors.
10 , 9 , 72 , 17 , 549 , 462 , 2699 , 2411 , 38590 , 52986 , 240182 , 470671 , 9283014 , 8106257 , 98398061 , 78482109 , 349777002 , 273854584 , 7917655044 , 4132139349
n×2
16433962
n×3
24650943
n×4
32867924
n×5
41084905
n÷2
4108490.5
n÷3
2738993.6666667
n÷3
2054245.25
n÷5
1643396.2
n2
67518776754361
n3
5.5480050573383E+20
n4
4.5587852144052E+27
n5
3.7459451489849E+34
2 √n
2866.5276904297
3 √n
201.79206947454
4 √n
53.539963489245
5 √n
24.151408102637
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
-8216980
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 8216981 can be divided by 4 positive divisors.
The sum of these divisors (counting 8216981) is 1, the average is 0.25.
Base
System
Value
2
Binary
11111010110000110010101
3
Ternary
120110110120122
4
Quaternary
133112012111
5
Quinary
4100420411
6
Senary
452041325
8
Octal
37260625
10
Decimal
8216981
12
Duodecimal
2903245
16
Hexadecimal
7d6195
20
Vigesimal
2b7291
36
Base36
4w49h
md5
d85f5b906ebad53b34e460eecbc790ec
sha1
5a8ef2cee9e8d90f47ad65489c1fc4a4abfb7c57
sha256
74183f9bd35e6d18aaabcee6bc8c4b6616df2f48deee1be7d93a07b328eced4b
sha512
e6b6780060d5ee1ce765a0c145dd78e976be6036e2419af5f6622f6bfb2ccb3b949685c5a8a957d917b62c3614a7ad5601df0cedf6672f76f1f377f953f0f09c
ripemd-160
bd27c6c0ab5f3e14fa3713b06436ed76ac5d1c56
Diameter
16433962
Circumference
51628814.288574
Area
2.1211649303087E+14
Volume
2.3239429240284E+21
Surface area
8.4846597212348E+14
Circumference
51628814.288574
Perimeter
32867924
Area
67518776754361
Diagonal
11620565.971962
Surface area
405112660526166
Volume
5.5480050573383E+20
Space diagonal
14232228.576828
Perimeter
24650943
Area
29236487950863
Altitude
7116114.2884141
Surface area
29236487950863
Volume
6.5383866635019E+19
Height
3873521.990654