987478731 (number)

987478731 is an odd 9-digits composite number following 987478730 and preceding 987478732. In scientific notation, it is written as 9.87478731 × 10^8. The sum of its digits is 54. It has a total of 3 prime factors and 6 positive divisors. There are 658319148 positive integers (up to 987478731) that are relatively prime to 987478731.

Interesting facts

Basic properties

Name

Name nine hundred eighty-seven million four hundred seventy-eight thousand seven hundred thirty-one

Notation

Scientific notation 9.87478731 × 10^8
Engineering notation 9.87478731 × 10^6

Prime Factorization of 987478731

Prime Factorization 3 × 3 × 109719859

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 329159577
Product of the distinct prime numbers

The prime factorization of 987478731 is 3 × 3 × 109719859. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 987478731)

Multiplication

n×y
n×2 1974957462
n×3 2962436193
n×4 3949914924
n×5 4937393655

Division

n÷y
n÷2 493739365.5
n÷3 329159577
n÷3 246869682.75
n÷5 197495746.2

Exponentiation

ny
n2 975114244177370361
n3 9.6290457642029E+26
n4 9.508477891976E+35
n5 9.3894196825101E+44

Nth Root

y√n
2√n 31424.174308962
3√n 995.80870122407
4√n 177.26865010193
5√n 62.93692933425

Divisors of 987478731

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -987478730
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 987478731 can be divided by 6 positive divisors. The sum of these divisors (counting 987478731) is 1, the average is 0.16666666666667.

Base conversion 987478731

Base System Value
2 Binary 111010110110111011101011001011
3 Ternary 2112211010010011100
4 Quaternary 322312323223023
5 Quinary 4010243304411
6 Senary 241553032443
8 Octal 7266735313
10 Decimal 987478731
12 Duodecimal 236855723
16 Hexadecimal 3adbbacb
20 Vigesimal f8beggb
36 Base36 gbx3gr

Cryptographic Hash Functions

md5 5d4c60cc694d8a104366a848fb327655
sha1 07c25a9d80ba2521d7f9ab6880d575983d2cc9b8
sha256 e99b53903d55430d4423c906391fcb281c6c17d378dfe404bfdd158fa2b5a3e2
sha512 457d69b1bf5e3e1d7099f63a2cd3dc78c42eb02bec586efe934a6097d17dcbfdfcfdd83eb435c5d4c3c02fe815211678a2d4e35801a0e5803ca7cf0c2703f3f0
ripemd-160 cbfe6e3651aca5be838699d9e55348facf7bbe25

987478731 as geometric shapes

Circle

Radius = n
Diameter 1974957462
Circumference 6204511853.7715
Area 3.0634117459184E+18

Sphere

Radius = n
Volume 4.0334052578533E+27
Surface area 1.2253646983674E+19
Circumference 6204511853.7715

Square

Length = n
Perimeter 3949914924
Area 975114244177370361
Diagonal 1396505813.9352

Cube

Length = n
Surface area 5850685465064222166
Volume 9.6290457642029E+26
Space diagonal 1710363333.4856

Equilateral Triangle

Length = n
Perimeter 2962436193
Area 4.2223685352483E+17
Altitude 855181666.74282

Triangular Pyramid

Length = n
Surface area 4.2223685352483E+17
Volume 1.1347939260372E+26
Height 465501937.97839