221566988 is an even 9-digits composite number following 221566987
and preceding 221566989 . In scientific notation, it is written as 2.21566988 × 10^8.
The sum of its digits is 47. It has a total of 3 prime factors and 6 positive divisors.
There are 110783492 positive integers (up to 221566988) that are relatively prime to 221566988.
221566988 has 6 divisors, whose sum is 387742236
The reverse of 221566988 is 889665122
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 47
Digital Root 2
Name
two hundred twenty-one million five hundred sixty-six thousand nine hundred eighty-eight
Scientific notation
2.21566988 × 10^8
Engineering notation
2.21566988 × 10^6
Prime Factorization
2 × 2 × 55391747
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
110783494
Product of the distinct prime numbers
The prime factorization of 221566988 is 2 × 2 × 55391747.
Since it has a total of 3 prime factors.
8 , 10 , 16 , 60 , 644 , 445 , 1610 , 5440 , 97938 , 98877 , 485581 , 230734 , 2781296 , 2733259 , 83129033 , 77858946 , 27671930 , 929273024 , 6480543823 , 4832725009
n×2
443133976
n×3
664700964
n×4
886267952
n×5
1107834940
n÷2
110783494
n÷3
73855662.666667
n÷3
55391747
n÷5
44313397.6
n2
49091930171392144
n3
1.0877151103182E+25
n4
2.4100176079528E+33
n5
5.3398034242108E+41
2 √n
14885.126401882
3 √n
605.11095840701
4 √n
122.00461631382
5 √n
46.676793133748
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
-221566987
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 221566988 can be divided by 6 positive divisors.
The sum of these divisors (counting 221566988) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1101001101001101100000001100
3
Ternary
120102220202202202
4
Quaternary
31031031200030
5
Quinary
423210120423
6
Senary
33552541032
8
Octal
1515154014
10
Decimal
221566988
12
Duodecimal
62251778
16
Hexadecimal
d34d80c
20
Vigesimal
394fh98
36
Base36
3nwy6k
md5
742e3d6aee1b22a41eeca77d2b5814a0
sha1
84d719274a1d798874a78eab8dd08848f5896999
sha256
039b2fa0bd63ad39b021068d19a7320d76dadcbb1a81e1f648078b05c576ffc1
sha512
bc39b6f4db35b9cf7d193eea256841f487398bad20ffe644a39f6ac5e1961adfd3362b0f102ef1256343b90e7aef8093c9826539c4a4dfd9978aec9a5ed0eed7
ripemd-160
79246d775d41d02c360ba9b5f3b0f505a38f23fd
Diameter
443133976
Circumference
1392146443.5576
Area
1.5422684717699E+17
Volume
4.5562103996989E+25
Surface area
6.1690738870795E+17
Circumference
1392146443.5576
Perimeter
886267952
Area
49091930171392144
Diagonal
313343039.40376
Surface area
294551581028352864
Volume
1.0877151103182E+25
Space diagonal
383765280.496
Perimeter
664700964
Area
2.1257429324619E+16
Altitude
191882640.248
Surface area
2.1257429324619E+16
Volume
1.2818845508418E+24
Height
104447679.80125