7942745138 is an even 10-digits composite number following 7942745137
and preceding 7942745139 . In scientific notation, it is written as 7.942745138 × 10^9.
The sum of its digits is 50. It has a total of 4 prime factors and 16 positive divisors.
There are 3948905520 positive integers (up to 7942745138) that are relatively prime to 7942745138.
7942745138 has 16 divisors, whose sum is 11981707584
The reverse of 7942745138 is 8315472497
Previous prime number is 421
Is Prime? no Number parity even Number length 10 Sum of Digits 50 Digital Root 5
Name
seven billion nine hundred forty-two million seven hundred forty-five thousand one hundred thirty-eight
Scientific notation
7.942745138 × 10^9
Engineering notation
7.942745138 × 10^9
Prime Factorization
2 × 307 × 421 × 30727
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
7942745138 Product of the distinct prime numbers
The prime factorization of 7942745138 is 2 × 307 × 421 × 30727.
Since it has a total of 4 prime factors.
3 , 6 , 48 , 49 , 918 , 213 , 2756 , 7043 , 40762 , 26838 , 174281 , 396459 , 8573872 , 901301 , 81424932 , 69414737 , 60219922 , 131872956 , 9241884478 , 1982831669
n×2
15885490276
n×3
23828235414
n×4
31770980552
n×5
39713725690
n÷2
3971372569
n÷3
2647581712.6667
n÷3
1985686284.5
n÷5
1588549027.6
n2
6.3087200327223E+19
n3
5.0108555366908E+29
n4
3.9799948451271E+39
n5
3.1612084705398E+49
2 √n89122.079968995
3 √n1995.2173336679
4 √n298.53321418059
5 √n95.497966832065
1 , 2 , 307 , 421 , 614 , 842 , 30727 , 61454 , 129247 , 258494 , 9433189 , 12936067 , 18866378 , 25872134 , 3971372569 , 7942745138
16 divisors
τ Total Divisors
16 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-7942745137 Sum of the proper positive divisors of n
A Arithmetic Mean
0.0625 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
16 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 7942745138 can be divided by 16 positive divisors.
The sum of these divisors (counting 7942745138) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111011001011011001010110000110010
3
Ternary
202111112200020222212
4
Quaternary
13121123022300302
5
Quinary
112231320321023
6
Senary
3352052332122
8
Octal
73133126062
10
Decimal
7942745138
12
Duodecimal
1658014042
16
Hexadecimal
1d96cac32
20
Vigesimal
642232gi
36
Base36
3ncwlde
md5
96ff3fb4634fa3db345b19cfc719bd17
sha1
5407e97480dbb4179ad8e0f1875be55c2d12cb44
sha256
0b19988d8dc9b80eee42b3aa67e158b4201aa4b673dacde01b9a0f5fe5a9d8d1
sha512
efcf4b36b692869e97a738b48b3dac7ebd2c44dfb502f435090c5b18d9271521632bcf4ba351e6bbc91e2a61df7ed16dd8a372d8b2bceb1f817183ff47930c7e
ripemd-160
0eecb1fbccb26775ca98426a4682423853e79678
Diameter
15885490276
Circumference
49905739549.754
Area
1.9819428508355E+20
Volume
2.098942258969E+30
Surface area
7.927771403342E+20
Circumference
49905739549.754
Perimeter
31770980552
Area
6.3087200327223E+19
Diagonal
11232737896.633
Surface area
3.7852320196334E+20
Volume
5.0108555366908E+29
Space diagonal
13757238130.587
Perimeter
23828235414
Area
2.7317559068506E+19
Altitude
6878619065.2933
Surface area
2.7317559068506E+19
Volume
5.905349882567E+28
Height
3744245965.5442