7942749857 is an odd 10-digits composite number following 7942749856
and preceding 7942749858 . In scientific notation, it is written as 7.942749857 × 10^9.
The sum of its digits is 62. It has a total of 3 prime factors and 8 positive divisors.
There are 6779584224 positive integers (up to 7942749857) that are relatively prime to 7942749857.
7942749857 has 8 divisors, whose sum is 9115411200
The reverse of 7942749857 is 7589472497
Previous prime number is 239
Is Prime? no Number parity odd Number length 10 Sum of Digits 62 Digital Root 8
Name
seven billion nine hundred forty-two million seven hundred forty-nine thousand eight hundred fifty-seven
Scientific notation
7.942749857 × 10^9
Engineering notation
7.942749857 × 10^9
Prime Factorization
7 × 239 × 4747609
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
7942749857 Product of the distinct prime numbers
The prime factorization of 7942749857 is 7 × 239 × 4747609.
Since it has a total of 3 prime factors.
2 , 2 , 1 , 33 , 131 , 241 , 5228 , 9181 , 31445 , 68914 , 147782 , 593615 , 6625932 , 7799875 , 57623406 , 73671657 , 821705133 , 769183830 , 6810660506 , 1161142825
n×2
15885499714
n×3
23828249571
n×4
31770999428
n×5
39713749285
n÷2
3971374928.5
n÷3
2647583285.6667
n÷3
1985687464.25
n÷5
1588549971.4
n2
6.3087275290874E+19
n3
5.0108644679511E+29
n4
3.9800043036265E+39
n5
3.1612178613488E+49
2 √n89122.106443912
3 √n1995.2177288054
4 √n298.53325852225
5 √n95.497978179648
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
-7942749856 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 7942749857 can be divided by 8 positive divisors.
The sum of these divisors (counting 7942749857) is 1, the average is 0.125.
Base
System
Value
2
Binary
111011001011011001011111010100001
3
Ternary
202111112200111110122
4
Quaternary
13121123023322201
5
Quinary
112231320443412
6
Senary
3352052410025
8
Octal
73133137241
10
Decimal
7942749857
12
Duodecimal
1658016915
16
Hexadecimal
1d96cbea1
20
Vigesimal
64223ech
36
Base36
3ncwp0h
md5
6d0b84381b2a6bb367bf768cbb4fdb0e
sha1
d55f6164323cc0ca38a1d0f3ae340bb6776fe380
sha256
196ca2de24d215522eebd547d5a546645a512569ce23baba11f00488b1535a6d
sha512
c93fd804e21489e1bfd0e3b4c76fe74561b010a9fc97e354bb92cb7e79af0cd332b5ec3bc0c83ffe3cee6617f81b1eb5862b9b6b2488b684ee80c4e0f818b518
ripemd-160
a042ab02219830a294615aa4e0115969f17f19f0
Diameter
15885499714
Circumference
49905769200.105
Area
1.9819452058881E+20
Volume
2.0989460000866E+30
Surface area
7.9277808235522E+20
Circumference
49905769200.105
Perimeter
31770999428
Area
6.3087275290874E+19
Diagonal
11232744570.306
Surface area
3.7852365174524E+20
Volume
5.0108644679511E+29
Space diagonal
13757246304.134
Perimeter
23828249571
Area
2.7317591528719E+19
Altitude
6878623152.0672
Surface area
2.7317591528719E+19
Volume
5.9053604081582E+28
Height
3744248190.1021