221265818 is an even 9-digits composite number following 221265817
and preceding 221265819 . In scientific notation, it is written as 2.21265818 × 10^8.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 110632908 positive integers (up to 221265818) that are relatively prime to 221265818.
221265818 has 4 divisors, whose sum is 331898730
The reverse of 221265818 is 818562122
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 35
Digital Root 8
Name
two hundred twenty-one million two hundred sixty-five thousand eight hundred eighteen
Scientific notation
2.21265818 × 10^8
Engineering notation
2.21265818 × 10^6
Prime Factorization
2 × 110632909
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
221265818
Product of the distinct prime numbers
The prime factorization of 221265818 is 2 × 110632909.
Since it has a total of 2 prime factors.
10 , 9 , 65 , 11 , 628 , 629 , 4360 , 4869 , 65442 , 80980 , 948413 , 87487 , 1963584 , 7370127 , 9647542 , 42049227 , 134332586 , 990726305 , 2498972483 , 1309070518
n×2
442531636
n×3
663797454
n×4
885063272
n×5
1106329090
n÷2
110632909
n÷3
73755272.666667
n÷3
55316454.5
n÷5
44253163.6
n2
48958562215209124
n3
1.0832856316652E+25
n4
2.3969408141805E+33
n5
5.3036106994723E+41
2 √n
14875.006487394
3 √n
604.83666378206
4 √n
121.96313577222
5 √n
46.664096928932
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
-221265817
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 221265818 can be divided by 4 positive divisors.
The sum of these divisors (counting 221265818) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101001100000011111110011010
3
Ternary
120102100110122022
4
Quaternary
31030003332122
5
Quinary
423121001233
6
Senary
33542254442
8
Octal
1514037632
10
Decimal
221265818
12
Duodecimal
62127422
16
Hexadecimal
d303f9a
20
Vigesimal
392i4ai
36
Base36
3nqhsq
md5
ea23912f5ef14a43c8fc4629240eedcf
sha1
78fc5b402ed77fd80e39ad08690a895cd3ebc37b
sha256
d421470def5c1ef66c337c13496a088f86eecc06280658c564314101af1ab035
sha512
66d8b94871de52cf126d0e882e826d6a3f3e98ce1d18816dd73523380d6fc003fc736b30ac78fb023c3b123a69f8e349200436f603d9d9170622b08b6813d03f
ripemd-160
0882b54374bed5c82eaf278897d288fb138aa73f
Diameter
442531636
Circumference
1390254136.6387
Area
1.5380785938562E+17
Volume
4.5376562429051E+25
Surface area
6.1523143754248E+17
Circumference
1390254136.6387
Perimeter
885063272
Area
48958562215209124
Diagonal
312917120.70518
Surface area
293751373291254744
Volume
1.0832856316652E+25
Space diagonal
383243638.75429
Perimeter
663797454
Area
2.1199679305566E+16
Altitude
191621819.37714
Surface area
2.1199679305566E+16
Volume
1.2766643601874E+24
Height
104305706.90173