221284247 is an odd 9-digits composite number following 221284246
and preceding 221284248 . In scientific notation, it is written as 2.21284247 × 10^8.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 219692136 positive integers (up to 221284247) that are relatively prime to 221284247.
221284247 has 4 divisors, whose sum is 222876360
The reverse of 221284247 is 742482122
Previous prime number is 139
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
two hundred twenty-one million two hundred eighty-four thousand two hundred forty-seven
Scientific notation
2.21284247 × 10^8
Engineering notation
2.21284247 × 10^6
Prime Factorization
139 × 1591973
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
221284247
Product of the distinct prime numbers
The prime factorization of 221284247 is 139 × 1591973.
Since it has a total of 2 prime factors.
4 , 7 , 65 , 49 , 352 , 916 , 7520 , 8537 , 90784 , 96553 , 689543 , 390694 , 3664366 , 1796658 , 10930892 , 72382369 , 187617606 , 607704914 , 6391871315 , 6500457838
n×2
442568494
n×3
663852741
n×4
885136988
n×5
1106421235
n÷2
110642123.5
n÷3
73761415.666667
n÷3
55321061.75
n÷5
44256849.4
n2
48966717970357009
n3
1.0835563314132E+25
n4
2.3977394687885E+33
n5
5.3058197285304E+41
2 √n
14875.62593641
3 √n
604.85345538823
4 √n
121.96567523861
5 √n
46.664874223862
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
-221284246
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 221284247 can be divided by 4 positive divisors.
The sum of these divisors (counting 221284247) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101001100001000011110010111
3
Ternary
120102101101220212
4
Quaternary
31030020132113
5
Quinary
423122043442
6
Senary
33542520035
8
Octal
1514103627
10
Decimal
221284247
12
Duodecimal
6213601b
16
Hexadecimal
d308797
20
Vigesimal
3930ac7
36
Base36
3nqw0n
md5
deefed722d08b01f8ecb2d5f7b5761b5
sha1
9f26d746153ba6698b20c0d2e6f9508e81d944b9
sha256
a589efc3889084e76a30a0c862958dfc929962c468b902d74daef947994b2de3
sha512
339e0979a2ef44261b7df9c8653e09de775b3e0e35dfc0547f98f9bdc911728aa709624b118d691d414a235e598c9b5f65ac8a3932ef0a496d59ee45d11fd0c2
ripemd-160
8a927edb9bf45b8f7314cc10e18a425883167a1e
Diameter
442568494
Circumference
1390369929.4607
Area
1.5383348144608E+17
Volume
4.5387901473578E+25
Surface area
6.1533392578431E+17
Circumference
1390369929.4607
Perimeter
885136988
Area
48966717970357009
Diagonal
312943183.24692
Surface area
293800307822142054
Volume
1.0835563314132E+25
Space diagonal
383275558.71862
Perimeter
663852741
Area
2.1203210851139E+16
Altitude
191637779.35931
Surface area
2.1203210851139E+16
Volume
1.2769833828998E+24
Height
104314394.41564