7218441 is an odd 7-digits composite number following 7218440
and preceding 7218442 . In scientific notation, it is written as 7.218441 × 10^6.
The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors.
There are 4582656 positive integers (up to 7218441) that are relatively prime to 7218441.
7218441 has 12 divisors, whose sum is 10457460
The reverse of 7218441 is 1448127
Previous prime number is 1961
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 27
Digital Root 9
Name
seven million two hundred eighteen thousand four hundred forty-one
Scientific notation
7.218441 × 10^6
Engineering notation
7.218441 × 10^6
Prime Factorization
3 × 3 × 1961 × 409
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2406147
Product of the distinct prime numbers
The prime factorization of 7218441 is 3 × 3 × 1961 × 409.
Since it has a total of 4 prime factors.
6 , 1 , 90 , 13 , 795 , 681 , 383 , 4624 , 54885 , 58495 , 743348 , 745884 , 4684174 , 1639868 , 5050144 , 69163296 , 438193030 , 661877890 , 1108410738 , 6624313859
n×2
14436882
n×3
21655323
n×4
28873764
n×5
36092205
n÷2
3609220.5
n÷3
2406147
n÷3
1804610.25
n÷5
1443688.2
n2
52105890470481
n3
3.7612329611363E+20
n4
2.7150238217218E+27
n5
1.9598239270693E+34
2 √n
2686.715652986
3 √n
193.26259368655
4 √n
51.833537916932
5 √n
23.533617054887
1 , 3 , 9 , 409 , 1227 , 1961 , 3681 , 5883 , 17649 , 802049 , 2406147 , 7218441
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-7218440
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 7218441 can be divided by 12 positive divisors.
The sum of these divisors (counting 7218441) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
11011100010010100001001
3
Ternary
111120201211200
4
Quaternary
123202110021
5
Quinary
3321442231
6
Senary
414414413
8
Octal
33422411
10
Decimal
7218441
12
Duodecimal
2501409
16
Hexadecimal
6e2509
20
Vigesimal
252621
36
Base36
4aps9
md5
92eadab96be87e7c5c96577d23970ef0
sha1
c77d33b1bbd6df0b94f1d3173aade5810339b8eb
sha256
cf2d1977757ab78509a4e0d660616134b01cccafd4c5f7c2b9285997f8c01cba
sha512
a6b62dfdd007406d3471cd73df735fcf6fa2a2a94c19f69130e5531574bf33e8a84cf97a489d8906cf9a7e0e18e69dd8e46f381bebf880d243c7bfed265af349
ripemd-160
a942dd588add168dbd452b50ed471291efa6583a
Diameter
14436882
Circumference
45354802.431943
Area
1.6369548271082E+14
Volume
1.5755015785527E+21
Surface area
6.5478193084327E+14
Circumference
45354802.431943
Perimeter
28873764
Area
52105890470481
Diagonal
10208417.16139
Surface area
312635342822886
Volume
3.7612329611363E+20
Space diagonal
12502706.563438
Perimeter
21655323
Area
22562512417123
Altitude
6251353.2817191
Surface area
22562512417123
Volume
4.4326555540697E+19
Height
3402805.7204633