221518881 is an odd 9-digits composite number following 221518880
and preceding 221518882 . In scientific notation, it is written as 2.21518881 × 10^8.
The sum of its digits is 36. It has a total of 4 prime factors and 10 positive divisors.
There are 147679200 positive integers (up to 221518881) that are relatively prime to 221518881.
221518881 has 10 divisors, whose sum is 330911042
The reverse of 221518881 is 188815122
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
two hundred twenty-one million five hundred eighteen thousand eight hundred eighty-one
Scientific notation
2.21518881 × 10^8
Engineering notation
2.21518881 × 10^6
Prime Factorization
9 × 3 × 3 × 2734801
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
73839627
Product of the distinct prime numbers
The prime factorization of 221518881 is 9 × 3 × 3 × 2734801.
Since it has a total of 4 prime factors.
7 , 3 , 60 , 2 , 106 , 727 , 3880 , 5213 , 94921 , 23622 , 142697 , 360833 , 4503821 , 2436997 , 61152206 , 8224949 , 933083198 , 687569197 , 8417078007 , 1062966153
n×2
443037762
n×3
664556643
n×4
886075524
n×5
1107594405
n÷2
110759440.5
n÷3
73839627
n÷3
55379720.25
n÷5
44303776.2
n2
49070614639492161
n3
1.0870067644923E+25
n4
2.4079252210975E+33
n5
5.3340090050921E+41
2 √n
14883.510372221
3 √n
605.06716099807
4 √n
121.99799331227
5 √n
46.674766048802
10 divisors
τ
Total Divisors
10
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-221518880
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.1
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
10
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221518881 can be divided by 10 positive divisors.
The sum of these divisors (counting 221518881) is 1, the average is 0.1.
Base
System
Value
2
Binary
1101001101000001110000100001
3
Ternary
120102211022210000
4
Quaternary
31031001300201
5
Quinary
423202101011
6
Senary
33551530213
8
Octal
1515016041
10
Decimal
221518881
12
Duodecimal
62229969
16
Hexadecimal
d341c21
20
Vigesimal
3949h41
36
Base36
3nvx29
md5
3c7905d0d72eff1cb09af9f46b2d7b05
sha1
57868db2575eaf0913fc112fd407e8171fe87c69
sha256
bc1815316ae305750b4edf326156dc6279c79d109afbe3cf24b66f80ecadee49
sha512
3d71ef76d9e9d50bfc43d94bb4f29f367ca46d72c1b9ff29154e5e8149dea68c27b9d464cd9477e4b5d05e2c77c2124d3a52d65461c5101a3a05b9e160753bc1
ripemd-160
e67acc2b72bc49bc861a823d8ed72e9e3f95f09d
Diameter
443037762
Circumference
1391844178.3621
Area
1.5415988245856E+17
Volume
4.5532432876417E+25
Surface area
6.1663952983426E+17
Circumference
1391844178.3621
Perimeter
886075524
Area
49070614639492161
Diagonal
313275005.83191
Surface area
294423687836952966
Volume
1.0870067644923E+25
Space diagonal
383681956.7278
Perimeter
664556643
Area
2.1248199428558E+16
Altitude
191840978.3639
Surface area
2.1248199428558E+16
Volume
1.2810497572802E+24
Height
104425001.94397