7131221 is an odd 7-digits composite number following 7131220
and preceding 7131222 . In scientific notation, it is written as 7.131221 × 10^6.
The sum of its digits is 17. It has a total of 2 prime factors and 4 positive divisors.
There are 7121772 positive integers (up to 7131221) that are relatively prime to 7131221.
7131221 has 4 divisors, whose sum is 7140672
The reverse of 7131221 is 1221317
Previous prime number is 827
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 17
Digital Root 8
Name
seven million one hundred thirty-one thousand two hundred twenty-one
Scientific notation
7.131221 × 10^6
Engineering notation
7.131221 × 10^6
Prime Factorization
827 × 8623
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
7131221
Product of the distinct prime numbers
The prime factorization of 7131221 is 827 × 8623.
Since it has a total of 2 prime factors.
10 , 6 , 78 , 50 , 646 , 161 , 9543 , 1947 , 42970 , 8570 , 319949 , 189898 , 4591147 , 8429162 , 83547190 , 77954897 , 693084543 , 218424083 , 4332582927 , 7606539019
n×2
14262442
n×3
21393663
n×4
28524884
n×5
35656105
n÷2
3565610.5
n÷3
2377073.6666667
n÷3
1782805.25
n÷5
1426244.2
n2
50854312950841
n3
3.6265334445561E+20
n4
2.5861611457021E+27
n5
1.8442486671615E+34
2 √n
2670.4346088231
3 √n
192.48104384092
4 √n
51.67624801418
5 √n
23.476469113836
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-7131220
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 7131221 can be divided by 4 positive divisors.
The sum of these divisors (counting 7131221) is 1, the average is 0.25.
Base
System
Value
2
Binary
11011001101000001010101
3
Ternary
111102022012022
4
Quaternary
123031001111
5
Quinary
3311144341
6
Senary
412502525
8
Octal
33150125
10
Decimal
7131221
12
Duodecimal
247aa45
16
Hexadecimal
6cd055
20
Vigesimal
24b811
36
Base36
48uhh
md5
1d617732bdb01b508d7e084c6a99dd19
sha1
adb9b4d86a36eed3b307257c035ce3d06be8f7c0
sha256
ad17d26f25cc23345d54f751847c8100fe0b25edd4dde9748bfe52656e7bbe40
sha512
ed5f3cc283967ca53cace4d0109b5935e22cc6fd49125595eaf78df641f213ab303281098c36a20d039a14e5fd7a1416f93c5b44503144741958976c22e36df4
ripemd-160
708e5299e224d22f0cd463e0ba86008f509932bb
Diameter
14262442
Circumference
44806783.009451
Area
1.5976353596972E+14
Volume
1.5190787769887E+21
Surface area
6.3905414387887E+14
Circumference
44806783.009451
Perimeter
28524884
Area
50854312950841
Diagonal
10085069.45448
Surface area
305125877705046
Volume
3.6265334445561E+20
Space diagonal
12351637.092002
Perimeter
21393663
Area
22020563453716
Altitude
6175818.5460011
Surface area
22020563453716
Volume
4.273910651409E+19
Height
3361689.8181599