7888942985 is an odd 10-digits composite number following 7888942984
and preceding 7888942986 . In scientific notation, it is written as 7.888942985 × 10^9.
The sum of its digits is 68. It has a total of 2 prime factors and 4 positive divisors.
There are 4917782400 positive integers (up to 7888942985) that are relatively prime to 7888942985.
7888942985 has 4 divisors, whose sum is 7909434132
The reverse of 7888942985 is 5892498887
Previous prime number is 385
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 68
Digital Root 5
Name
seven billion eight hundred eighty-eight million nine hundred forty-two thousand nine hundred eighty-five
Scientific notation
7.888942985 × 10^9
Engineering notation
7.888942985 × 10^9
Prime Factorization
385 × 20490761
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
7888942985
Product of the distinct prime numbers
The prime factorization of 7888942985 is 385 × 20490761.
Since it has a total of 2 prime factors.
1 , 5 , 22 , 75 , 275 , 304 , 9904 , 6228 , 47076 , 31931 , 484013 , 978185 , 4582918 , 4470811 , 67296293 , 82159383 , 798988042 , 587593295 , 4146727440 , 4152941725
n×2
15777885970
n×3
23666828955
n×4
31555771940
n×5
39444714925
n÷2
3944471492.5
n÷3
2629647661.6667
n÷3
1972235746.25
n÷5
1577788597
n2
6.2235421420581E+19
n3
4.9097169123441E+29
n4
3.8732476793973E+39
n5
3.0555830109549E+49
2 √n
88819.721824604
3 √n
1990.702090171
4 √n
298.02637773292
5 √n
95.368239026898
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-7888942984
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 7888942985 can be divided by 4 positive divisors.
The sum of these divisors (counting 7888942985) is 1, the average is 0.25.
Base
System
Value
2
Binary
111010110001101111011011110001001
3
Ternary
202100210102211022112
4
Quaternary
13112031323132021
5
Quinary
112124032133420
6
Senary
3342451232105
8
Octal
72615733611
10
Decimal
7888942985
12
Duodecimal
1641ba8635
16
Hexadecimal
1d637b789
20
Vigesimal
6355hh95
36
Base36
3mgvfd5
md5
d6149b2a4047abc930ac7ed84935fd9f
sha1
90c10ce990f8dc2b58f79c2ae0871b06054723d0
sha256
ea8a318dc0704cc33cf5ecc42f9e70ad00f4fe41632cbef38c6f3f8238a42212
sha512
7f0023df9a4d24842f1a4d149fde080901d871149a2ff6fb4fc72c4af4cbbb43d6b66a521d187c51ea5a1bb8f448d0ae6fb5a421b4a532d92e575423c17fb711
ripemd-160
480db198012a6faaf4018cdd8c1966bf4ea58d44
Diameter
15777885970
Circumference
49567690652.529
Area
1.9551834272796E+20
Volume
2.0565774110701E+30
Surface area
7.8207337091184E+20
Circumference
49567690652.529
Perimeter
31555771940
Area
6.2235421420581E+19
Diagonal
11156650162.175
Surface area
3.7341252852348E+20
Volume
4.9097169123441E+29
Space diagonal
13664050068.034
Perimeter
23666828955
Area
2.6948727982727E+19
Altitude
6832025034.017
Surface area
2.6948727982727E+19
Volume
5.786156870708E+28
Height
3718883387.3917