221287939 is an odd 9-digits prime number following 221287938
and preceding 221287940 . In scientific notation, it is written as 2.21287939 × 10^8.
The sum of its digits is 43. It has a total of 1 prime factors and 2 positive divisors.
There are 221287938 positive integers (up to 221287939) that are relatively prime to 221287939.
221287939 has 2 divisors, whose sum is 221287940
The reverse of 221287939 is 939782122
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
two hundred twenty-one million two hundred eighty-seven thousand nine hundred thirty-nine
Scientific notation
2.21287939 × 10^8
Engineering notation
2.21287939 × 10^6
Prime Factorization
221287939
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
221287939
Product of the distinct prime numbers
The prime factorization of 221287939 is 221287939.
Since it has a total of 1 prime factors.
2 , 8 , 75 , 71 , 338 , 911 , 9235 , 1210 , 19593 , 52983 , 209335 , 870871 , 4340761 , 2542618 , 98860386 , 51143280 , 754065274 , 92392372 , 1307009975 , 4986645591
n×2
442575878
n×3
663863817
n×4
885151756
n×5
1106439695
n÷2
110643969.5
n÷3
73762646.333333
n÷3
55321984.75
n÷5
44257587.8
n2
48968351946867721
n3
1.0836105678549E+25
n4
2.3978994923923E+33
n5
5.3062623660064E+41
2 √n
14875.750031511
3 √n
604.85681924651
4 √n
121.96618396716
5 √n
46.665029938124
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
221287940
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
110643970
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
14875.750065123
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.999999990962
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221287939 can be divided by 2 positive divisors.
The sum of these divisors (counting 221287939) is 221287940, the average is 110643970.
Base
System
Value
2
Binary
1101001100001001011000000011
3
Ternary
120102101120222121
4
Quaternary
31030021120003
5
Quinary
423122203224
6
Senary
33542545111
8
Octal
1514113003
10
Decimal
221287939
12
Duodecimal
62138197
16
Hexadecimal
d309603
20
Vigesimal
3930jgj
36
Base36
3nqyv7
md5
0cc8a274026c88526913e45a0cf76c07
sha1
ad4c5a83e2ab7da501142f2bce7a8931d81079b0
sha256
33a4ec1c8c9b8b340912d321e7d26a7e0ab93f5b4abf51c19bb7fd31443863be
sha512
05ce207f022c55b55c276094b85fea661375230f936cc596ae91bf96a07044de52ba7fb2920da96a5599d9cf98cb822ce3f573a7672d582578d9298e5c3a3ecc
ripemd-160
35af99152b66c03d3fd2faf34cfba3bedc2e8e74
Diameter
442575878
Circumference
1390393126.9809
Area
1.5383861473468E+17
Volume
4.5390173324336E+25
Surface area
6.1535445893872E+17
Circumference
1390393126.9809
Perimeter
885151756
Area
48968351946867721
Diagonal
312948404.52339
Surface area
293810111681206326
Volume
1.0836105678549E+25
Space diagonal
383281953.4502
Perimeter
663863817
Area
2.1203918383722E+16
Altitude
191640976.7251
Surface area
2.1203918383722E+16
Volume
1.2770473011593E+24
Height
104316134.84113