987993881 (number)

987993881 is an odd 9-digits composite number following 987993880 and preceding 987993882. In scientific notation, it is written as 9.87993881 × 10^8. The sum of its digits is 62. It has a total of 4 prime factors and 16 positive divisors. There are 818830080 positive integers (up to 987993881) that are relatively prime to 987993881.

Interesting facts

Basic properties

Name

Name nine hundred eighty-seven million nine hundred ninety-three thousand eight hundred eighty-one

Notation

Scientific notation 9.87993881 × 10^8
Engineering notation 9.87993881 × 10^6

Prime Factorization of 987993881

Prime Factorization 7 × 59 × 61 × 39217

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 987993881
Product of the distinct prime numbers

The prime factorization of 987993881 is 7 × 59 × 61 × 39217. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 4, 6, 27, 502, 590, 2117, 6948, 99179, 92064, 930412, 473403, 6691391, 86808, 54269286, 51353874, 742905381, 690686585, 5704692163, 1449071308

Basic calculations (n = 987993881)

Multiplication

n×y
n×2 1975987762
n×3 2963981643
n×4 3951975524
n×5 4939969405

Division

n÷y
n÷2 493996940.5
n÷3 329331293.66667
n÷3 246998470.25
n÷5 197598776.2

Exponentiation

ny
n2 976131908893442161
n3 9.6441235303557E+26
n4 9.5283350355996E+35
n5 9.4139367112903E+44

Nth Root

y√n
2√n 31432.369955191
3√n 995.98183631924
4√n 177.29176505182
5√n 62.943494578577

Divisors of 987993881

1, 7, 59, 61, 413, 427, 3599, 25193, 39217, 274519, 2313803, 2392237, 16196621, 16745659, 141141983, 987993881

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 -987993880
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 987993881 can be divided by 16 positive divisors. The sum of these divisors (counting 987993881) is 1, the average is 0.0625.

Base conversion 987993881

Base System Value
2 Binary 111010111000111001011100011001
3 Ternary 2112212002021210222
4 Quaternary 322320321130121
5 Quinary 4010411301011
6 Senary 242012045425
8 Octal 7270713431
10 Decimal 987993881
12 Duodecimal 236a63875
16 Hexadecimal 3ae39719
20 Vigesimal f8ej4e1
36 Base36 gc84yh

Cryptographic Hash Functions

md5 7f9b8626daa173dcc4143d64efccdca5
sha1 55e8d41f162ce66077ce87d1254e1944e92a3e01
sha256 dec9a5097b75f945e0deaeae1da497b519b1f061c16df94cebe00bf05e2069a5
sha512 f16446256e92e63ac73a48930652500b6aa74dd1a202ce273d37182e33352b7198a723cfb593cbbbb1b8627040ac644344c9769e20c6aafc004a02a0e595e38b
ripemd-160 bb107faf472e5db59831e938a481f438c925cee7

987993881 as geometric shapes

Circle

Radius = n
Diameter 1975987762
Circumference 6207748636.6825
Area 3.0666088339142E+18

Sphere

Radius = n
Volume 4.0397210177704E+27
Surface area 1.2266435335657E+19
Circumference 6207748636.6825

Square

Length = n
Perimeter 3951975524
Area 976131908893442161
Diagonal 1397234346.0518

Cube

Length = n
Surface area 5856791453360652966
Volume 9.6441235303557E+26
Space diagonal 1711255599.4592

Equilateral Triangle

Length = n
Perimeter 2963981643
Area 4.2267751527316E+17
Altitude 855627799.72958

Triangular Pyramid

Length = n
Surface area 4.2267751527316E+17
Volume 1.1365708578192E+26
Height 465744782.01728