221544991 is an odd 9-digits prime number following 221544990
and preceding 221544992 . In scientific notation, it is written as 2.21544991 × 10^8.
The sum of its digits is 37. It has a total of 1 prime factors and 2 positive divisors.
There are 221544990 positive integers (up to 221544991) that are relatively prime to 221544991.
221544991 has 2 divisors, whose sum is 221544992
The reverse of 221544991 is 199445122
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
two hundred twenty-one million five hundred forty-four thousand nine hundred ninety-one
Scientific notation
2.21544991 × 10^8
Engineering notation
2.21544991 × 10^6
Prime Factorization
221544991
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
221544991
Product of the distinct prime numbers
The prime factorization of 221544991 is 221544991.
Since it has a total of 1 prime factors.
1 , 4 , 30 , 79 , 11 , 195 , 3472 , 856 , 12325 , 81495 , 893005 , 479917 , 7520044 , 2144056 , 61249848 , 74420921 , 783968244 , 184271919 , 8689745512 , 6466820847
n×2
443089982
n×3
664634973
n×4
886179964
n×5
1107724955
n÷2
110772495.5
n÷3
73848330.333333
n÷3
55386247.75
n÷5
44308998.2
n2
49082183037190081
n3
1.0873911799235E+25
n4
2.4090606916962E+33
n5
5.3371532926029E+41
2 √n
14884.387491597
3 √n
605.09093276091
4 √n
122.00158806998
5 √n
46.675866289723
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
221544992
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
110772496
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
14884.387525189
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999909725
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221544991 can be divided by 2 positive divisors.
The sum of these divisors (counting 221544991) is 221544992, the average is 110772496.
Base
System
Value
2
Binary
1101001101001000001000011111
3
Ternary
120102212122121001
4
Quaternary
31031020020133
5
Quinary
423203414431
6
Senary
33552251131
8
Octal
1515101037
10
Decimal
221544991
12
Duodecimal
62240aa7
16
Hexadecimal
d34821f
20
Vigesimal
394d29b
36
Base36
3nwh7j
md5
ed8688132cee9401acdb34e4bf1dd50c
sha1
b28a7711263a89d6c2ef93281caff389489af91f
sha256
e864d5284c9efb4ccd4e57591d69097ed26fcc5c460f2d6a7500cc01a276b532
sha512
9b4d187eeee7427656c2861633d8edff6013ec00c8e6c8956b75aa9efaa52e6212517e7e2364371cdf93256c21e4f3342eeea01417093e85fe2b049d136f93cb
ripemd-160
7d17a352b0e45fb5bfb42be2eacf053cd18e7e74
Diameter
443089982
Circumference
1392008232.3304
Area
1.5419622565179E+17
Volume
4.5548535232345E+25
Surface area
6.1678490260714E+17
Circumference
1392008232.3304
Perimeter
886179964
Area
49082183037190081
Diagonal
313311930.94803
Surface area
294493098223140486
Volume
1.0873911799235E+25
Space diagonal
383727180.57439
Perimeter
664634973
Area
2.1253208691702E+16
Altitude
191863590.28719
Surface area
2.1253208691702E+16
Volume
1.2815027952105E+24
Height
104437310.31601