987394491 (number)

987394491 is an odd 9-digits composite number following 987394490 and preceding 987394492. In scientific notation, it is written as 9.87394491 × 10^8. The sum of its digits is 54. It has a total of 3 prime factors and 8 positive divisors. There are 657836640 positive integers (up to 987394491) that are relatively prime to 987394491.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 9.87394491 × 10^8
Engineering notation 9.87394491 × 10^6

Prime Factorization of 987394491

Prime Factorization 9 × 1579 × 69481

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 987394491
Product of the distinct prime numbers

The prime factorization of 987394491 is 9 × 1579 × 69481. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 6, 91, 92, 482, 493, 6946, 4804, 15706, 13015, 782433, 362111, 2326772, 6813718, 26878808, 6427799, 529335169, 393835112, 7399126366, 6520439910

Basic calculations (n = 987394491)

Multiplication

n×y
n×2 1974788982
n×3 2962183473
n×4 3949577964
n×5 4936972455

Division

n÷y
n÷2 493697245.5
n÷3 329131497
n÷3 246848622.75
n÷5 197478898.2

Exponentiation

ny
n2 974947880857149081
n3 9.6265816657047E+26
n4 9.5052337038785E+35
n5 9.3854153948771E+44

Nth Root

y√n
2√n 31422.833911027
3√n 995.78038354731
4√n 177.2648693651
5√n 62.935855490797

Divisors of 987394491

1, 9, 1579, 14211, 69481, 625329, 109710499, 987394491

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -987394490
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 987394491 can be divided by 8 positive divisors. The sum of these divisors (counting 987394491) is 1, the average is 0.125.

Base conversion 987394491

Base System Value
2 Binary 111010110110100111000110111011
3 Ternary 2112210221211121100
4 Quaternary 322312213012323
5 Quinary 4010233110431
6 Senary 241551142443
8 Octal 7266470673
10 Decimal 987394491
12 Duodecimal 236814a23
16 Hexadecimal 3ada71bb
20 Vigesimal f8b464b
36 Base36 gbvagr

Cryptographic Hash Functions

md5 3658e745af7b14e4a8f45a10c088ae4a
sha1 b889a1e901dfbc9352b9d8f95bb7b07b5e5c8610
sha256 b9f4e22f10cbee23a2c8bc54654bd9dbba06e593eef559ad3e46ad7bff82e6dc
sha512 940b5f2a5904d0da37d157bd4e8f400ea72b856b36ed3760278a9ba64c5020c282a99b86f009061f00f00104ab0ca2adba2fa7097ad54491cb00635e4f28569c
ripemd-160 8b7ebaadfa829005e30f5984eaed348781d5e489

987394491 as geometric shapes

Circle

Radius = n
Diameter 1974788982
Circumference 6203982558.2413
Area 3.0628891001338E+18

Sphere

Radius = n
Volume 4.032373098688E+27
Surface area 1.2251556400535E+19
Circumference 6203982558.2413

Square

Length = n
Perimeter 3949577964
Area 974947880857149081
Diagonal 1396386680.5847

Cube

Length = n
Surface area 5849687285142894486
Volume 9.6265816657047E+26
Space diagonal 1710217425.5256

Equilateral Triangle

Length = n
Perimeter 2962183473
Area 4.2216481609405E+17
Altitude 855108712.76281

Triangular Pyramid

Length = n
Surface area 4.2216481609405E+17
Volume 1.1345035292443E+26
Height 465462226.86156