7978996881 (number)

7978996881 is an odd 10-digits composite number following 7978996880 and preceding 7978996882. In scientific notation, it is written as 7.978996881 × 10^9. The sum of its digits is 72. It has a total of 4 prime factors and 16 positive divisors. There are 5195625120 positive integers (up to 7978996881) that are relatively prime to 7978996881.

Interesting facts

Basic properties

Name

Name seven billion nine hundred seventy-eight million nine hundred ninety-six thousand eight hundred eighty-one

Notation

Scientific notation 7.978996881 × 10^9
Engineering notation 7.978996881 × 10^9

Prime Factorization of 7978996881

Prime Factorization 3 × 9 × 43 × 6872521

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 7978996881
Product of the distinct prime numbers

The prime factorization of 7978996881 is 3 × 9 × 43 × 6872521. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 8, 72, 4, 394, 131, 6649, 2604, 15297, 6792, 495389, 405918, 8682417, 5517098, 76167087, 2666429, 281139863, 831323607, 6207274528, 3288641231

Basic calculations (n = 7978996881)

Multiplication

n×y
n×2 15957993762
n×3 23936990643
n×4 31915987524
n×5 39894984405

Division

n÷y
n÷2 3989498440.5
n÷3 2659665627
n÷3 1994749220.25
n÷5 1595799376.2

Exponentiation

ny
n2 6.3664391227008E+19
n3 5.0797797903106E+29
n4 4.0531547103055E+39
n5 3.2340108791738E+49

Nth Root

y√n
2√n 89325.230931691
3√n 1998.2482061405
4√n 298.87326901496
5√n 95.584981197791

Divisors of 7978996881

1, 3, 9, 27, 43, 129, 387, 1161, 6872521, 20617563, 61852689, 185558067, 295518403, 886555209, 2659665627, 7978996881

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 -7978996880
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 7978996881 can be divided by 16 positive divisors. The sum of these divisors (counting 7978996881) is 1, the average is 0.0625.

Base conversion 7978996881

Base System Value
2 Binary 111011011100101011101010010010001
3 Ternary 202121001220001001000
4 Quaternary 13123211131102101
5 Quinary 112320110400011
6 Senary 3355425332213
8 Octal 73345352221
10 Decimal 7978996881
12 Duodecimal 1668197069
16 Hexadecimal 1db95d491
20 Vigesimal 64d8ec41
36 Base36 3nyhle9

Cryptographic Hash Functions

md5 86c3d3f212a74cd98eee415d21665a64
sha1 0ccc51967afbc27c05713f1a73407e785a802864
sha256 fac85b0cd0d2e1de4b3eedde676b2e7b9c8c3a10e5e191b524fad3812a3c9d39
sha512 407fa732f2aebc1782ada2a690bc2b2165f2453733a4beaada32a721acebfa5399295b655525c0600b89fe2cc72742739c3a3e883d8721d0b99fd72f75b09bb2
ripemd-160 92dc0dde0b69849d6b9a128a07e8efe1404c3a1e

7978996881 as geometric shapes

Circle

Radius = n
Diameter 15957993762
Circumference 50133515968.731
Area 2.0000758377403E+20

Sphere

Radius = n
Volume 2.1278131828125E+30
Surface area 8.0003033509614E+20
Circumference 50133515968.731

Square

Length = n
Perimeter 31915987524
Area 6.3664391227008E+19
Diagonal 11284005603.243

Cube

Length = n
Surface area 3.8198634736205E+20
Volume 5.0797797903106E+29
Space diagonal 13820027991.326

Equilateral Triangle

Length = n
Perimeter 23936990643
Area 2.756749005953E+19
Altitude 6910013995.6628

Triangular Pyramid

Length = n
Surface area 2.756749005953E+19
Volume 5.9865778944383E+28
Height 3761335201.0809