216227981 is an odd 9-digits composite number following 216227980
and preceding 216227982 . In scientific notation, it is written as 2.16227981 × 10^8.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 200171520 positive integers (up to 216227981) that are relatively prime to 216227981.
216227981 has 8 divisors, whose sum is 232701624
The reverse of 216227981 is 189722612
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
two hundred sixteen million two hundred twenty-seven thousand nine hundred eighty-one
Scientific notation
2.16227981 × 10^8
Engineering notation
2.16227981 × 10^6
Prime Factorization
17 × 61 × 208513
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
216227981
Product of the distinct prime numbers
The prime factorization of 216227981 is 17 × 61 × 208513.
Since it has a total of 3 prime factors.
10 , 2 , 44 , 62 , 560 , 702 , 3735 , 5361 , 25630 , 67438 , 867762 , 716894 , 879744 , 1804227 , 2989868 , 70109841 , 154218289 , 329001079 , 890626299 , 2900502378
n×2
432455962
n×3
648683943
n×4
864911924
n×5
1081139905
n÷2
108113990.5
n÷3
72075993.666667
n÷3
54056995.25
n÷5
43245596.2
n2
46754539767336361
n3
1.0109639736475E+25
n4
2.1859869888554E+33
n5
4.7267155309248E+41
2 √n
14704.692482334
3 √n
600.21101929458
4 √n
121.26290645673
5 √n
46.449642803916
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-216227980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 216227981 can be divided by 8 positive divisors.
The sum of these divisors (counting 216227981) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100111000110110000010001101
3
Ternary
120001212112000202
4
Quaternary
30320312002031
5
Quinary
420323243411
6
Senary
33242303245
8
Octal
1470660215
10
Decimal
216227981
12
Duodecimal
604b7b25
16
Hexadecimal
ce3608d
20
Vigesimal
37b89j1
36
Base36
3kqikt
md5
25e709da72ba47e6e844b1a93fba8803
sha1
108a46917b02bb67c6fe5f6168f5fccf7b8695ce
sha256
4cf9f6b13d946044f4718203af3aff3b012b4ebd95baa055616223a4703119a2
sha512
96ce67252766268db05d447597d5f653e500e7b0918737f65f27e6b14b5da6741ef77faf3bb75c71165c9a2cd9927301012febc650f5a615151bf9e2a91f6cdb
ripemd-160
cea4aeca995e1c87f88ede772695773d6e18d340
Diameter
432455962
Circumference
1358600473.2203
Area
1.4688371865504E+17
Volume
4.2347159902067E+25
Surface area
5.8753487462014E+17
Circumference
1358600473.2203
Perimeter
864911924
Area
46754539767336361
Diagonal
305792543.29475
Surface area
280527238604018166
Volume
1.0109639736475E+25
Space diagonal
374517849.11004
Perimeter
648683943
Area
2.0245309590382E+16
Altitude
187258924.55502
Surface area
2.0245309590382E+16
Volume
1.1914324688358E+24
Height
101930847.76492