221406784 is an even 9-digits composite number following 221406783
and preceding 221406785 . In scientific notation, it is written as 2.21406784 × 10^8.
The sum of its digits is 34. It has a total of 8 prime factors and 28 positive divisors.
There are 110057984 positive integers (up to 221406784) that are relatively prime to 221406784.
221406784 has 28 divisors, whose sum is 441915804
The reverse of 221406784 is 487604122
Previous prime number is 173
Is Prime? no
Number parity even
Number length 9
Sum of Digits 34
Digital Root 7
Name
two hundred twenty-one million four hundred six thousand seven hundred eighty-four
Scientific notation
2.21406784 × 10^8
Engineering notation
2.21406784 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 173 × 19997
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
6918962
Product of the distinct prime numbers
The prime factorization of 221406784 is 2 × 2 × 2 × 2 × 2 × 2 × 173 × 19997.
Since it has a total of 8 prime factors.
4 , 10 , 97 , 70 , 476 , 41 , 209 , 1498 , 17678 , 7860 , 164845 , 231556 , 846195 , 1233027 , 12330230 , 76350395 , 461754270 , 984206706 , 2253349500 , 3994795271
n×2
442813568
n×3
664220352
n×4
885627136
n×5
1107033920
n÷2
110703392
n÷3
73802261.333333
n÷3
55351696
n÷5
44281356.8
n2
49020964001222656
n3
1.085357398809E+25
n4
2.4030549116092E+33
n5
5.3205265975479E+41
2 √n
14879.744083821
3 √n
604.96508142613
4 √n
121.98255647354
5 √n
46.67004125008
1 , 2 , 4 , 8 , 16 , 32 , 64 , 173 , 346 , 692 , 1384 , 2768 , 5536 , 11072 , 19997 , 39994 , 79988 , 159976 , 319952 , 639904 , 1279808 , 3459481 , 6918962 , 13837924 , 27675848 , 55351696 , 110703392 , 221406784
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-221406783
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221406784 can be divided by 28 positive divisors.
The sum of these divisors (counting 221406784) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
1101001100100110011001000000
3
Ternary
120102121122000021
4
Quaternary
31030212121000
5
Quinary
423140004114
6
Senary
33545303224
8
Octal
1514463100
10
Decimal
221406784
12
Duodecimal
62194b14
16
Hexadecimal
d326640
20
Vigesimal
393fgj4
36
Base36
3ntikg
md5
3f34945174df481aa9e3b8af854e2725
sha1
d6d4f85ffa120baba59172c87a5287b7eab7c1e4
sha256
21c07758412c9a636b09d646735008681d0b5c6db3d2e2a1ac2981a7e7b2a14d
sha512
cfb524da816bca70592818b658f9a0b0c2ab51758b56a7dcbfd0b6a5ea242919953ccd5f6cec417eeb527934b2af1277bd3caaec3a4086a9a9e5d84cafc0f641
ripemd-160
f1ca6e6b2776358397fd44da517f94aacafa11f7
Diameter
442813568
Circumference
1391139852.1387
Area
1.5400390037813E+17
Volume
4.5463344408238E+25
Surface area
6.1601560151252E+17
Circumference
1391139852.1387
Perimeter
885627136
Area
49020964001222656
Diagonal
313116476.73421
Surface area
294125784007335936
Volume
1.085357398809E+25
Space diagonal
383487799.02843
Perimeter
664220352
Area
2.1226700071531E+16
Altitude
191743899.51421
Surface area
2.1226700071531E+16
Volume
1.2791059611815E+24
Height
104372158.9114