7942749 is an odd 7-digits composite number following 7942748
and preceding 7942750 . In scientific notation, it is written as 7.942749 × 10^6.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 5208240 positive integers (up to 7942749) that are relatively prime to 7942749.
7942749 has 8 divisors, whose sum is 10764192
The reverse of 7942749 is 9472497
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 42
Digital Root 6
Name
seven million nine hundred forty-two thousand seven hundred forty-nine
Scientific notation
7.942749 × 10^6
Engineering notation
7.942749 × 10^6
Prime Factorization
3 × 61 × 43403
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
7942749
Product of the distinct prime numbers
The prime factorization of 7942749 is 3 × 61 × 43403.
Since it has a total of 3 prime factors.
8 , 4 , 55 , 89 , 984 , 728 , 1783 , 8933 , 29475 , 53582 , 567987 , 440190 , 3365601 , 1520727 , 34583220 , 40335145 , 680788379 , 592926579 , 1104186181 , 8297134412
n×2
15885498
n×3
23828247
n×4
31770996
n×5
39713745
n÷2
3971374.5
n÷3
2647583
n÷3
1985687.25
n÷5
1588549.8
n2
63087261677001
n3
5.0108628459774E+20
n4
3.9800025859024E+27
n5
3.1612161559174E+34
2 √n
2818.2883103047
3 √n
199.52176570459
4 √n
53.087553252195
5 √n
23.988007044958
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
-7942748
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 7942749 can be divided by 8 positive divisors.
The sum of these divisors (counting 7942749) is 1, the average is 0.125.
Base
System
Value
2
Binary
11110010011001001011101
3
Ternary
112221112101220
4
Quaternary
132103021131
5
Quinary
4013131444
6
Senary
442123553
8
Octal
36231135
10
Decimal
7942749
12
Duodecimal
27b05b9
16
Hexadecimal
79325d
20
Vigesimal
29cgh9
36
Base36
4q8nx
md5
12de243998807691d7bcc0e96d239412
sha1
4ab8a2e1e83b2b5d1c5deaf30c0880c5375d13a2
sha256
f820880b5a2c98257cded62b863381ce790dd8aa90ddcba4e476e42bfa264713
sha512
bf05e7169c8cd4b9a357c058bfbc00d3a81447c2d2fe84eed163d83a27c08cf2b52c5ffbcab9bf75ae392d64bb329e5554259d7caf0efd12ffa769392c1fc037
ripemd-160
f87d41c808aff775cf60e74b008129c23d4471b9
Diameter
15885498
Circumference
49905763.815415
Area
1.9819447781956E+14
Volume
2.0989453206758E+21
Surface area
7.9277791127825E+14
Circumference
49905763.815415
Perimeter
31770996
Area
63087261677001
Diagonal
11232743.358325
Surface area
378523570062006
Volume
5.0108628459774E+20
Space diagonal
13757244.819767
Perimeter
23828247
Area
27317585633740
Altitude
6878622.4098834
Surface area
27317585633740
Volume
5.9053584966439E+19
Height
3744247.7861084