216221681 is an odd 9-digits composite number following 216221680
and preceding 216221682 . In scientific notation, it is written as 2.16221681 × 10^8.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 199483920 positive integers (up to 216221681) that are relatively prime to 216221681.
216221681 has 8 divisors, whose sum is 232977024
The reverse of 216221681 is 186122612
Previous prime number is 2767
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 29
Digital Root 2
Name
two hundred sixteen million two hundred twenty-one thousand six hundred eighty-one
Scientific notation
2.16221681 × 10^8
Engineering notation
2.16221681 × 10^6
Prime Factorization
13 × 2767 × 6011
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
216221681
Product of the distinct prime numbers
The prime factorization of 216221681 is 13 × 2767 × 6011.
Since it has a total of 3 prime factors.
1 , 4 , 11 , 48 , 55 , 908 , 7840 , 6288 , 81359 , 93634 , 209795 , 47351 , 6706820 , 9856060 , 56586881 , 7915251 , 472447849 , 787121353 , 8274389754 , 3427400754
n×2
432443362
n×3
648665043
n×4
864886724
n×5
1081108405
n÷2
108110840.5
n÷3
72073893.666667
n÷3
54055420.25
n÷5
43244336.2
n2
46751815334465761
n3
1.010875610142E+25
n4
2.185732237068E+33
n5
4.7260269851473E+41
2 √n
14704.478263441
3 √n
600.20519000562
4 √n
121.26202317066
5 √n
46.449372130196
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
-216221680
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 216221681 can be divided by 8 positive divisors.
The sum of these divisors (counting 216221681) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100111000110100011111110001
3
Ternary
120001212012101102
4
Quaternary
30320310133301
5
Quinary
420323043211
6
Senary
33242214145
8
Octal
1470643761
10
Decimal
216221681
12
Duodecimal
604b4355
16
Hexadecimal
ce347f1
20
Vigesimal
37b7e41
36
Base36
3kqdpt
md5
5408ed3798b385effb8618830dca091a
sha1
8419956fa9426b42ce956fddccb4529b9f2eb4c5
sha256
26575f4cba0f11db2c94f239723060d03a1f00cb99d88d741626dd25aeb94757
sha512
96fa66a0d60cb819b6ffd29c2c31d68ba40f4ed1cce2f495e710da5772229f70696263f6b3a12997e57d29bc7af769645249c9d3d611e3c26acec496c33e1540
ripemd-160
17620af969252fbf78fbb5d0b8674be6b1a3f82f
Diameter
432443362
Circumference
1358560889.1529
Area
1.4687515959674E+17
Volume
4.2343458540202E+25
Surface area
5.8750063838698E+17
Circumference
1358560889.1529
Perimeter
864886724
Area
46751815334465761
Diagonal
305783633.74931
Surface area
280510892006794566
Volume
1.010875610142E+25
Space diagonal
374506937.18995
Perimeter
648665043
Area
2.0244129876343E+16
Altitude
187253468.59498
Surface area
2.0244129876343E+16
Volume
1.1913283314458E+24
Height
101927877.91644