7972865981 (number)

7972865981 is an odd 10-digits composite number following 7972865980 and preceding 7972865982. In scientific notation, it is written as 7.972865981 × 10^9. The sum of its digits is 62. It has a total of 4 prime factors and 16 positive divisors. There are 7494907200 positive integers (up to 7972865981) that are relatively prime to 7972865981.

Interesting facts

Basic properties

Name

Name seven billion nine hundred seventy-two million eight hundred sixty-five thousand nine hundred eighty-one

Notation

Scientific notation 7.972865981 × 10^9
Engineering notation 7.972865981 × 10^9

Prime Factorization of 7972865981

Prime Factorization 23 × 61 × 2411 × 2357

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 7972865981
Product of the distinct prime numbers

The prime factorization of 7972865981 is 23 × 61 × 2411 × 2357. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 8, 86, 21, 130, 882, 57, 6572, 61964, 67701, 893792, 847583, 669064, 6268139, 997276, 19595544, 356577709, 963691119, 979501095, 1495486274

Basic calculations (n = 7972865981)

Multiplication

n×y
n×2 15945731962
n×3 23918597943
n×4 31891463924
n×5 39864329905

Division

n÷y
n÷2 3986432990.5
n÷3 2657621993.6667
n÷3 1993216495.25
n÷5 1594573196.2

Exponentiation

ny
n2 6.3566591950987E+19
n3 5.0680791849413E+29
n4 4.0407116122633E+39
n5 3.2216052152446E+49

Nth Root

y√n
2√n 89290.906485487
3√n 1997.736270481
4√n 298.81584041929
5√n 95.5702875673

Divisors of 7972865981

1, 23, 61, 1403, 2357, 2411, 54211, 55453, 143777, 147071, 3306871, 3382633, 5682727, 130702721, 346646347, 7972865981

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 -7972865980
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 7972865981 can be divided by 16 positive divisors. The sum of these divisors (counting 7972865981) is 1, the average is 0.0625.

Base conversion 7972865981

Base System Value
2 Binary 111011011001110000100011110111101
3 Ternary 202120122100120000122
4 Quaternary 13123032010132331
5 Quinary 112312023202411
6 Senary 3355050104325
8 Octal 73316043675
10 Decimal 7972865981
12 Duodecimal 166611b0a5
16 Hexadecimal 1db3847bd
20 Vigesimal 64ba84j1
36 Base36 3nuu6rh

Cryptographic Hash Functions

md5 3e5d273d8d99c2a8c551fcc889ac49fa
sha1 ecf61805bd974d955e8d4c9915d31c9c5f4a67f9
sha256 b8f91b5ff691e6b80d8a241b56f1b00a94b2d4d75bde9d41e1540226be049759
sha512 e5ac4db81415951071045b1c4228e6dd8939a3a440a03877cc44601d36c9027b344eabbed16f93ed7b46662b9316ebafb0cd05bfaf29aa17129d75a60df1fd01
ripemd-160 ad5a6c990c79cfe7333a72fa0a46117cd39be924

7972865981 as geometric shapes

Circle

Radius = n
Diameter 15945731962
Circumference 50094994387.931
Area 1.9970033828696E+20

Sphere

Radius = n
Volume 2.1229120446964E+30
Surface area 7.9880135314784E+20
Circumference 50094994387.931

Square

Length = n
Perimeter 31891463924
Area 6.3566591950987E+19
Diagonal 11275335201.313

Cube

Length = n
Surface area 3.8139955170592E+20
Volume 5.0680791849413E+29
Space diagonal 13809408961.029

Equilateral Triangle

Length = n
Perimeter 23918597943
Area 2.7525141730777E+19
Altitude 6904704480.5147

Triangular Pyramid

Length = n
Surface area 2.7525141730777E+19
Volume 5.9727885987707E+28
Height 3758445067.1044