221431440 is an even 9-digits composite number following 221431439
and preceding 221431441 . In scientific notation, it is written as 2.21431440 × 10^8.
The sum of its digits is 21. It has a total of 6 prime factors and 20 positive divisors.
There are 59048320 positive integers (up to 221431440) that are relatively prime to 221431440.
221431440 has 20 divisors, whose sum is 457625472
The reverse of 221431440 is 044134122
Previous prime number is 15
Is Prime? no
Number parity even
Number length 9
Sum of Digits 21
Digital Root 3
Name
two hundred twenty-one million four hundred thirty-one thousand four hundred forty
Scientific notation
2.21431440 × 10^8
Engineering notation
2.21431440 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 15 × 922631
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
27678930
Product of the distinct prime numbers
The prime factorization of 221431440 is 2 × 2 × 2 × 2 × 15 × 922631.
Since it has a total of 6 prime factors.
6 , 8 , 95 , 66 , 512 , 518 , 3794 , 3948 , 45931 , 4290 , 665042 , 763993 , 3065043 , 7925620 , 82185606 , 59585627 , 595295304 , 983683226 , 464862754 , 9877156151
n×2
442862880
n×3
664294320
n×4
885725760
n×5
1107157200
n÷2
110715720
n÷3
73810480
n÷3
55357860
n÷5
44286288
n2
49031882620473600
n3
1.0857200374562E+25
n4
2.4041255133079E+33
n5
5.3234897435251E+41
2 √n
14880.572569629
3 √n
604.98753702442
4 √n
121.98595234546
5 √n
46.671080644866
1 , 2 , 4 , 8 , 15 , 16 , 30 , 60 , 120 , 240 , 922631 , 1845262 , 3690524 , 7381048 , 13839465 , 14762096 , 27678930 , 55357860 , 110715720 , 221431440
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-221431439
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221431440 can be divided by 20 positive divisors.
The sum of these divisors (counting 221431440) is 1, the average is 0.05.
Base
System
Value
2
Binary
1101001100101100011010010000
3
Ternary
120102122212211110
4
Quaternary
31030230122100
5
Quinary
423141301230
6
Senary
33550013320
8
Octal
1514543220
10
Decimal
221431440
12
Duodecimal
621a7240
16
Hexadecimal
d32c690
20
Vigesimal
393iic0
36
Base36
3nu1lc
md5
b0cd97573e5d94137b6efd287b82228c
sha1
a1a2a1f804b647864891f93e45d51e0eab47685e
sha256
dff8cda6003408d14977da64aaceb57e78091f1bdbd5613af4afd70160ad0d7b
sha512
bc8f09acb0c50db870ca74ccb766ab3457cb3a68195be304b45455bba0ef4d8e64888a3d0098143e6a58a211c5d1577aae6c88babeeeeb9bf392d52972e66a1e
ripemd-160
23537b0d9344a5ae31c941e2705a187c37dd0e87
Diameter
442862880
Circumference
1391294770.3556
Area
1.5403820223216E+17
Volume
4.547853458037E+25
Surface area
6.1615280892863E+17
Circumference
1391294770.3556
Perimeter
885725760
Area
49031882620473600
Diagonal
313151345.5838
Surface area
294191295722841600
Volume
1.0857200374562E+25
Space diagonal
383530504.47314
Perimeter
664294320
Area
2.1231427972353E+16
Altitude
191765252.23657
Surface area
2.1231427972353E+16
Volume
1.2795333349257E+24
Height
104383781.86127