7981395 is an odd 7-digits composite number following 7981394
and preceding 7981396 . In scientific notation, it is written as 7.981395 × 10^6.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 4256736 positive integers (up to 7981395) that are relatively prime to 7981395.
7981395 has 8 divisors, whose sum is 12770256
The reverse of 7981395 is 5931897
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 42
Digital Root 6
Name
seven million nine hundred eighty-one thousand three hundred ninety-five
Scientific notation
7.981395 × 10^6
Engineering notation
7.981395 × 10^6
Prime Factorization
3 × 5 × 532093
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
7981395
Product of the distinct prime numbers
The prime factorization of 7981395 is 3 × 5 × 532093.
Since it has a total of 3 prime factors.
9 , 6 , 90 , 38 , 233 , 182 , 9440 , 7379 , 94419 , 51829 , 632203 , 346128 , 2087016 , 5813275 , 60071723 , 77640818 , 294877502 , 493058660 , 5525925804 , 2515840485
n×2
15962790
n×3
23944185
n×4
31925580
n×5
39906975
n÷2
3990697.5
n÷3
2660465
n÷3
1995348.75
n÷5
1596279
n2
63702666146025
n3
5.0843614106455E+20
n4
4.0580296741119E+27
n5
3.2388737750809E+34
2 √n
2825.1362798987
3 √n
199.84483798821
4 √n
53.152011061659
5 √n
24.011304810943
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-7981394
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 7981395 can be divided by 8 positive divisors.
The sum of these divisors (counting 7981395) is 1, the average is 0.125.
Base
System
Value
2
Binary
11110011100100101010011
3
Ternary
120000111102020
4
Quaternary
132130211103
5
Quinary
4020401040
6
Senary
443022523
8
Octal
36344523
10
Decimal
7981395
12
Duodecimal
280aa43
16
Hexadecimal
79c953
20
Vigesimal
29hd9f
36
Base36
4r2hf
md5
a36f65663618fcb7ded5bf3fc2da1fe0
sha1
5c60371a1fc226f570ae563cb899345526dafa59
sha256
0e91d4d38c5985332944661fcee5e1eb416644e329f110b4c32e6d22c3098b82
sha512
0ce087647807276dc140624f8c3335b75c06b81ebb2fa26bcec52364cd197f64c3419e2f9821d3c9625b788d46cfc90226bc7fd33d8bb07ce7bf80842bb52493
ripemd-160
8fda56aceb684791c46868418b3e70506bc5d024
Diameter
15962790
Circumference
50148583.794797
Area
2.0012782797844E+14
Volume
2.1297323274506E+21
Surface area
8.0051131191374E+14
Circumference
50148583.794797
Perimeter
31925580
Area
63702666146025
Diagonal
11287397.055657
Surface area
382215996876150
Volume
5.0843614106455E+20
Space diagonal
13824181.655276
Perimeter
23944185
Area
27584063585628
Altitude
6912090.8276381
Surface area
27584063585628
Volume
5.9919773857844E+19
Height
3762465.6852189