7942749849 is an odd 10-digits composite number following 7942749848
and preceding 7942749850 . In scientific notation, it is written as 7.942749849 × 10^9.
The sum of its digits is 63. It has a total of 3 prime factors and 8 positive divisors.
There are 5245678392 positive integers (up to 7942749849) that are relatively prime to 7942749849.
7942749849 has 8 divisors, whose sum is 8907757920
The reverse of 7942749849 is 9489472497
Previous prime number is 107
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 63
Digital Root 9
Name
seven billion nine hundred forty-two million seven hundred forty-nine thousand eight hundred forty-nine
Scientific notation
7.942749849 × 10^9
Engineering notation
7.942749849 × 10^9
Prime Factorization
9 × 107 × 8247923
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
7942749849
Product of the distinct prime numbers
The prime factorization of 7942749849 is 9 × 107 × 8247923.
Since it has a total of 3 prime factors.
9 , 6 , 68 , 43 , 698 , 676 , 2035 , 6707 , 38525 , 11116 , 137301 , 262912 , 553038 , 9833381 , 98820047 , 32191226 , 985734057 , 643976421 , 1211091626 , 8832395918
n×2
15885499698
n×3
23828249547
n×4
31770999396
n×5
39713749245
n÷2
3971374924.5
n÷3
2647583283
n÷3
1985687462.25
n÷5
1588549969.8
n2
6.308727516379E+19
n3
5.0108644528101E+29
n4
3.9800042875917E+39
n5
3.1612178454288E+49
2 √n
89122.10639903
3 √n
1995.2177281355
4 √n
298.53325844708
5 √n
95.49797816041
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
-7942749848
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 7942749849 can be divided by 8 positive divisors.
The sum of these divisors (counting 7942749849) is 1, the average is 0.125.
Base
System
Value
2
Binary
111011001011011001011111010011001
3
Ternary
202111112200111110100
4
Quaternary
13121123023322121
5
Quinary
112231320443344
6
Senary
3352052410013
8
Octal
73133137231
10
Decimal
7942749849
12
Duodecimal
1658016909
16
Hexadecimal
1d96cbe99
20
Vigesimal
64223ec9
36
Base36
3ncwp09
md5
da0e015e6dd3a95fb96a778d0c2a1d56
sha1
7652f406d1a1b307958e79bfbb07da2b3dfa6e51
sha256
bcfae73a4416d07883a64781b072d03c70385809f151dc84311f05d88f144471
sha512
6636d3b19ede729d0219b0a09ef981a23f994e94d6eb1f57806897ce327ecf00f0a4ef585dbf5a90176230987e5fa4e78378f004519c987137f0acbc2cbc438c
ripemd-160
6f8a4ebfeb24c2192726b06a4a1aeccb003d42fe
Diameter
15885499698
Circumference
49905769149.84
Area
1.9819452018956E+20
Volume
2.0989459937443E+30
Surface area
7.9277808075824E+20
Circumference
49905769149.84
Perimeter
31770999396
Area
6.308727516379E+19
Diagonal
11232744558.993
Surface area
3.7852365098274E+20
Volume
5.0108644528101E+29
Space diagonal
13757246290.278
Perimeter
23828249547
Area
2.731759147369E+19
Altitude
6878623145.139
Surface area
2.731759147369E+19
Volume
5.9053603903144E+28
Height
3744248186.3309