7987431381 (number)

7987431381 is an odd 10-digits composite number following 7987431380 and preceding 7987431382. In scientific notation, it is written as 7.987431381 × 10^9. The sum of its digits is 51. It has a total of 2 prime factors and 4 positive divisors. There are 5324954252 positive integers (up to 7987431381) that are relatively prime to 7987431381.

Interesting facts

Basic properties

Name

Name seven billion nine hundred eighty-seven million four hundred thirty-one thousand three hundred eighty-one

Notation

Scientific notation 7.987431381 × 10^9
Engineering notation 7.987431381 × 10^9

Prime Factorization of 7987431381

Prime Factorization 3 × 2662477127

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 7987431381
Product of the distinct prime numbers

The prime factorization of 7987431381 is 3 × 2662477127. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 6, 33, 2, 110, 837, 2224, 7897, 10373, 39662, 143363, 15193, 4466955, 8639321, 67535976, 69117701, 741227600, 492940276, 6924869435, 7290769868

Basic calculations (n = 7987431381)

Multiplication

n×y
n×2 15974862762
n×3 23962294143
n×4 31949725524
n×5 39937156905

Division

n÷y
n÷2 3993715690.5
n÷3 2662477127
n÷3 1996857845.25
n÷5 1597486276.2

Exponentiation

ny
n2 6.3799060066184E+19
n3 5.0959061445094E+29
n4 4.0703200653285E+39
n5 3.2511402220519E+49

Nth Root

y√n
2√n 89372.430765869
3√n 1998.9520660965
4√n 298.95222154363
5√n 95.605181001286

Divisors of 7987431381

1, 3, 2662477127, 7987431381

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 -7987431380
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 7987431381 can be divided by 4 positive divisors. The sum of these divisors (counting 7987431381) is 1, the average is 0.25.

Base conversion 7987431381

Base System Value
2 Binary 111011100000101101000011111010101
3 Ternary 202121122202112222220
4 Quaternary 13130011220133111
5 Quinary 112324240301011
6 Senary 3400330212553
8 Octal 73405503725
10 Decimal 7987431381
12 Duodecimal 166ab84159
16 Hexadecimal 1dc1687d5
20 Vigesimal 64g18i91
36 Base36 3o3idhx

Cryptographic Hash Functions

md5 dca610af1a3540d51b7f5da64b89af59
sha1 ecb73bc772682d670c97f45ffd38c7d57889e94c
sha256 7d87876afd01f808b9e951f0edd5e383b3536c2db12cb8aa1ea4c26e284de50c
sha512 7b8b7598e9ea85970296f049e6770ea07829a60633a58ea6cfecffe373b4200433db5102b89807e2e415da576f034845dc46653f453897d72d599da50686061c
ripemd-160 41cc5e77788080667b4ef6ad3a135f540799d6a9

7987431381 as geometric shapes

Circle

Radius = n
Diameter 15974862762
Circumference 50186511495.204
Area 2.0043065840986E+20

Sphere

Radius = n
Volume 2.1345681742632E+30
Surface area 8.0172263363942E+20
Circumference 50186511495.204

Square

Length = n
Perimeter 31949725524
Area 6.3799060066184E+19
Diagonal 11295933787.535

Cube

Length = n
Surface area 3.827943603971E+20
Volume 5.0959061445094E+29
Space diagonal 13834636973.862

Equilateral Triangle

Length = n
Perimeter 23962294143
Area 2.7625803377442E+19
Altitude 6917318486.931

Triangular Pyramid

Length = n
Surface area 2.7625803377442E+19
Volume 6.0055829851213E+28
Height 3765311262.5116