90216981 is an odd 8-digits composite number following 90216980
and preceding 90216982 . In scientific notation, it is written as 9.0216981 × 10^7.
The sum of its digits is 36. It has a total of 3 prime factors and 6 positive divisors.
There are 60144648 positive integers (up to 90216981) that are relatively prime to 90216981.
90216981 has 6 divisors, whose sum is 130313430
The reverse of 90216981 is 18961209
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
ninety million two hundred sixteen thousand nine hundred eighty-one
Scientific notation
9.0216981 × 10^7
Engineering notation
9.0216981 × 10^6
Prime Factorization
3 × 3 × 10024109
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
30072327
Product of the distinct prime numbers
The prime factorization of 90216981 is 3 × 3 × 10024109.
Since it has a total of 3 prime factors.
7 , 6 , 83 , 73 , 824 , 646 , 774 , 5180 , 75550 , 71278 , 71466 , 494219 , 7168800 , 2612916 , 83016668 , 20747963 , 607358040 , 773498745 , 102704449 , 3893159218
n×2
180433962
n×3
270650943
n×4
360867924
n×5
451084905
n÷2
45108490.5
n÷3
30072327
n÷3
22554245.25
n÷5
18043396.2
n2
8139103660754361
n3
7.3428536031931E+23
n4
6.6245008400505E+31
n5
5.9764246642132E+39
2 √n
9498.2619989133
3 √n
448.50032624518
4 √n
97.459027282819
5 √n
38.999375974491
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-90216980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 90216981 can be divided by 6 positive divisors.
The sum of these divisors (counting 90216981) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
101011000001001101000010101
3
Ternary
20021202111102200
4
Quaternary
11120021220111
5
Quinary
141043420411
6
Senary
12541355113
8
Octal
530115025
10
Decimal
90216981
12
Duodecimal
26268a99
16
Hexadecimal
5609a15
20
Vigesimal
183h291
36
Base36
1hpnv9
md5
1c6c8e1b123d8c9f989023e8499fa720
sha1
abf6984a6e754e56001b8d5dedb54474c37d3c59
sha256
8d2251823232f2efa0f4d15b254c79479518de306cc5f8d4289366a49857e7f2
sha512
8af7939bcb2cb7243926eb9486d9f5836db42edd14f2afb7fe06b8052e1fc83c365fc10b4d39f505ae4991a9649cf75b5bcb661107ebedb433d2b61118fbe510
ripemd-160
d2d05175c61e13c231361ffcae8090f57210d7cb
Diameter
180433962
Circumference
566850009.4773
Area
2.5569748267432E+16
Volume
3.0757673248236E+24
Surface area
1.0227899306973E+17
Circumference
566850009.4773
Perimeter
360867924
Area
8139103660754361
Diagonal
127586078.08656
Surface area
48834621964526166
Volume
7.3428536031931E+23
Space diagonal
156260394.79748
Perimeter
270650943
Area
3.5243352671241E+15
Altitude
78130197.398738
Surface area
3.5243352671241E+15
Volume
8.6536359601298E+22
Height
42528692.695519