221285457 is an odd 9-digits composite number following 221285456
and preceding 221285458 . In scientific notation, it is written as 2.21285457 × 10^8.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 134936928 positive integers (up to 221285457) that are relatively prime to 221285457.
221285457 has 16 divisors, whose sum is 267744000
The reverse of 221285457 is 754582122
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
two hundred twenty-one million two hundred eighty-five thousand four hundred fifty-seven
Scientific notation
2.21285457 × 10^8
Engineering notation
2.21285457 × 10^6
Prime Factorization
9 × 19 × 29 × 44623
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
221285457
Product of the distinct prime numbers
The prime factorization of 221285457 is 9 × 19 × 29 × 44623.
Since it has a total of 4 prime factors.
7 , 6 , 25 , 71 , 138 , 386 , 498 , 527 , 43074 , 39117 , 839126 , 630954 , 6075428 , 4769614 , 93316976 , 67434150 , 547023025 , 630691217 , 7191715965 , 3074485947
n×2
442570914
n×3
663856371
n×4
885141828
n×5
1106427285
n÷2
110642728.5
n÷3
73761819
n÷3
55321364.25
n÷5
44257091.4
n2
48967253479698849
n3
1.083574106429E+25
n4
2.3977919133451E+33
n5
5.3059647933547E+41
2 √n
14875.666606912
3 √n
604.85455784862
4 √n
121.96584196779
5 √n
46.664925257205
1 , 9 , 19 , 29 , 171 , 261 , 551 , 4959 , 44623 , 401607 , 847837 , 1294067 , 7630533 , 11646603 , 24587273 , 221285457
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-221285456
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221285457 can be divided by 16 positive divisors.
The sum of these divisors (counting 221285457) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101001100001000110001010001
3
Ternary
120102101110120200
4
Quaternary
31030020301101
5
Quinary
423122113312
6
Senary
33542525413
8
Octal
1514106121
10
Decimal
221285457
12
Duodecimal
62136869
16
Hexadecimal
d308c51
20
Vigesimal
3930dch
36
Base36
3nqwy9
md5
16c44fb25176ade22ac9c2c416fe5e3a
sha1
3ba0cc8ed67b875c0b8478fa9300ca5504dea901
sha256
a3172497ea74889d381410f882d49cfe929f53529ae2aec51d77eee901f7fbb6
sha512
0fe131b787c2936d304eb5fcda4510202e0d1a2813edd0b59e13f040448cb51923d92ef3a05abd6169b6a91dd8ab99bdadb9e59b091a083745a23861204355d3
ripemd-160
670edf0ac1355f93968d540069f213993642d765
Diameter
442570914
Circumference
1390377532.1149
Area
1.5383516379829E+17
Volume
4.53886460317E+25
Surface area
6.1534065519316E+17
Circumference
1390377532.1149
Perimeter
885141828
Area
48967253479698849
Diagonal
312944894.44533
Surface area
293803520878193094
Volume
1.083574106429E+25
Space diagonal
383277654.5001
Perimeter
663856371
Area
2.1203442733486E+16
Altitude
191638827.25005
Surface area
2.1203442733486E+16
Volume
1.2770043309568E+24
Height
104314964.81511