221265820 is an even 9-digits composite number following 221265819
and preceding 221265821 . In scientific notation, it is written as 2.21265820 × 10^8.
The sum of its digits is 28. It has a total of 5 prime factors and 24 positive divisors.
There are 87259200 positive integers (up to 221265820) that are relatively prime to 221265820.
221265820 has 24 divisors, whose sum is 471205728
The reverse of 221265820 is 028562122
Previous prime number is 71
Is Prime? no
Number parity even
Number length 9
Sum of Digits 28
Digital Root 1
Name
two hundred twenty-one million two hundred sixty-five thousand eight hundred twenty
Scientific notation
2.21265820 × 10^8
Engineering notation
2.21265820 × 10^6
Prime Factorization
2 × 2 × 5 × 71 × 155821
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
110632910
Product of the distinct prime numbers
The prime factorization of 221265820 is 2 × 2 × 5 × 71 × 155821.
Since it has a total of 5 prime factors.
6 , 6 , 36 , 63 , 849 , 832 , 5367 , 419 , 49043 , 54779 , 565342 , 528024 , 365851 , 8543062 , 55341591 , 99344635 , 571707400 , 638920677 , 271004600 , 7082660520
n×2
442531640
n×3
663797460
n×4
885063280
n×5
1106329100
n÷2
110632910
n÷3
73755273.333333
n÷3
55316455
n÷5
44253164
n2
48958563100272400
n3
1.0832856610404E+25
n4
2.3969409008434E+33
n5
5.3036109391664E+41
2 √n
14875.00655462
3 √n
604.83666560441
4 √n
121.96313604783
5 √n
46.66409701329
1 , 2 , 4 , 5 , 10 , 20 , 71 , 142 , 284 , 355 , 710 , 1420 , 155821 , 311642 , 623284 , 779105 , 1558210 , 3116420 , 11063291 , 22126582 , 44253164 , 55316455 , 110632910 , 221265820
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-221265819
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221265820 can be divided by 24 positive divisors.
The sum of these divisors (counting 221265820) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101001100000011111110011100
3
Ternary
120102100110122101
4
Quaternary
31030003332130
5
Quinary
423121001240
6
Senary
33542254444
8
Octal
1514037634
10
Decimal
221265820
12
Duodecimal
62127424
16
Hexadecimal
d303f9c
20
Vigesimal
392i4b0
36
Base36
3nqhss
md5
73a04fe0ad095719d55c6c48da651765
sha1
8f57071097d336d4ffaefbf01c8c4fba7c23d509
sha256
039c0381dcfbda631a6c95258881bec147f5e0be85561f7ac9df11f68a1fc57d
sha512
a42d4af62738778e5748c07b57c36c67f2e19f4a0828bd521bc6b278d4c4ddc0692cb245d10b0eca51d54632ff49ff783bc12c17c4c1d2ee73e384689d3990aa
ripemd-160
516195998b333a946686a95e457bb9af00108ba1
Diameter
442531640
Circumference
1390254149.205
Area
1.5380786216613E+17
Volume
4.5376563659514E+25
Surface area
6.1523144866451E+17
Circumference
1390254149.205
Perimeter
885063280
Area
48958563100272400
Diagonal
312917123.5336
Surface area
293751378601634400
Volume
1.0832856610404E+25
Space diagonal
383243642.21839
Perimeter
663797460
Area
2.119967968881E+16
Altitude
191621821.10919
Surface area
2.119967968881E+16
Volume
1.2766643948063E+24
Height
104305707.84453