221260991 is an odd 9-digits composite number following 221260990
and preceding 221260992 . In scientific notation, it is written as 2.21260991 × 10^8.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 189652272 positive integers (up to 221260991) that are relatively prime to 221260991.
221260991 has 4 divisors, whose sum is 252869712
The reverse of 221260991 is 199062122
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
two hundred twenty-one million two hundred sixty thousand nine hundred ninety-one
Scientific notation
2.21260991 × 10^8
Engineering notation
2.21260991 × 10^6
Prime Factorization
7 × 31608713
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
221260991
Product of the distinct prime numbers
The prime factorization of 221260991 is 7 × 31608713.
Since it has a total of 2 prime factors.
10 , 9 , 82 , 6 , 875 , 29 , 9766 , 9878 , 56820 , 79017 , 336953 , 239904 , 2478489 , 9604690 , 6641652 , 89060628 , 831232463 , 835486134 , 1206207315 , 332694010
n×2
442521982
n×3
663782973
n×4
885043964
n×5
1106304955
n÷2
110630495.5
n÷3
73753663.666667
n÷3
55315247.75
n÷5
44252198.2
n2
48956426138302081
n3
1.0832147363179E+25
n4
2.396731660235E+33
n5
5.3030322230468E+41
2 √n
14874.844234479
3 √n
604.83226550094
4 √n
121.96247059845
5 √n
46.663893328065
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-221260990
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221260991 can be divided by 4 positive divisors.
The sum of these divisors (counting 221260991) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101001100000010110010111111
3
Ternary
120102100020000112
4
Quaternary
31030002302333
5
Quinary
423120322431
6
Senary
33542220235
8
Octal
1514026277
10
Decimal
221260991
12
Duodecimal
6212467b
16
Hexadecimal
d302cbf
20
Vigesimal
392hc9b
36
Base36
3nqe2n
md5
12f4f5f9cc041b5e2d3ba1ef8c307b13
sha1
f485cabaa3624bb8f1a76d54a3ff6eab37c1b6d4
sha256
4da6bc1e790cbb5a2c1f3b4b80feb3ae651a23507da57ada8b622fd124cc0d0f
sha512
cc2a3b15087f662e10ea51b8338ae08f5fee503a7be9e806f59bc2ce6ae6e626f29fa557d9f7bc3d20d081ff56dc0ec5c043c6b36d41219f2f39d95a916974be
ripemd-160
4c563719af76274ccc73bee90124b4f6b4e3eafa
Diameter
442521982
Circumference
1390223807.7032
Area
1.538011487021E+17
Volume
4.5373592771687E+25
Surface area
6.152045948084E+17
Circumference
1390223807.7032
Perimeter
885043964
Area
48956426138302081
Diagonal
312910294.29631
Surface area
293738556829812486
Volume
1.0832147363179E+25
Space diagonal
383235278.14504
Perimeter
663782973
Area
2.1198754357133E+16
Altitude
191617639.07252
Surface area
2.1198754357133E+16
Volume
1.2765808092193E+24
Height
104303431.4321