7888942985 (number)

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.

Interesting facts

Basic properties

Name

Name seven billion eight hundred eighty-eight million nine hundred forty-two thousand nine hundred eighty-five

Notation

Scientific notation 7.888942985 × 10^9
Engineering notation 7.888942985 × 10^9

Prime Factorization of 7888942985

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.

Most popular turbo-numbers

Basic calculations (n = 7888942985)

Multiplication

n×y
n×2 15777885970
n×3 23666828955
n×4 31555771940
n×5 39444714925

Division

n÷y
n÷2 3944471492.5
n÷3 2629647661.6667
n÷3 1972235746.25
n÷5 1577788597

Exponentiation

ny
n2 6.2235421420581E+19
n3 4.9097169123441E+29
n4 3.8732476793973E+39
n5 3.0555830109549E+49

Nth Root

y√n
2√n 88819.721824604
3√n 1990.702090171
4√n 298.02637773292
5√n 95.368239026898

Divisors of 7888942985

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 conversion 7888942985

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

Cryptographic Hash Functions

md5 d6149b2a4047abc930ac7ed84935fd9f
sha1 90c10ce990f8dc2b58f79c2ae0871b06054723d0
sha256 ea8a318dc0704cc33cf5ecc42f9e70ad00f4fe41632cbef38c6f3f8238a42212
sha512 7f0023df9a4d24842f1a4d149fde080901d871149a2ff6fb4fc72c4af4cbbb43d6b66a521d187c51ea5a1bb8f448d0ae6fb5a421b4a532d92e575423c17fb711
ripemd-160 480db198012a6faaf4018cdd8c1966bf4ea58d44

7888942985 as geometric shapes

Circle

Radius = n
Diameter 15777885970
Circumference 49567690652.529
Area 1.9551834272796E+20

Sphere

Radius = n
Volume 2.0565774110701E+30
Surface area 7.8207337091184E+20
Circumference 49567690652.529

Square

Length = n
Perimeter 31555771940
Area 6.2235421420581E+19
Diagonal 11156650162.175

Cube

Length = n
Surface area 3.7341252852348E+20
Volume 4.9097169123441E+29
Space diagonal 13664050068.034

Equilateral Triangle

Length = n
Perimeter 23666828955
Area 2.6948727982727E+19
Altitude 6832025034.017

Triangular Pyramid

Length = n
Surface area 2.6948727982727E+19
Volume 5.786156870708E+28
Height 3718883387.3917