987394489 (number)

987394489 is an odd 9-digits composite number following 987394488 and preceding 987394490. In scientific notation, it is written as 9.87394489 × 10^8. The sum of its digits is 61. It has a total of 2 prime factors and 4 positive divisors. There are 935426340 positive integers (up to 987394489) that are relatively prime to 987394489.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 9.87394489 × 10^8
Engineering notation 9.87394489 × 10^6

Prime Factorization of 987394489

Prime Factorization 19 × 51968131

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 987394489
Product of the distinct prime numbers

The prime factorization of 987394489 is 19 × 51968131. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 6, 46, 4, 750, 243, 3682, 9327, 35139, 10902, 762374, 350584, 1268618, 4287493, 75219056, 96906043, 463997202, 731849983, 8840529488, 9618994768

Basic calculations (n = 987394489)

Multiplication

n×y
n×2 1974788978
n×3 2962183467
n×4 3949577956
n×5 4936972445

Division

n÷y
n÷2 493697244.5
n÷3 329131496.33333
n÷3 246848622.25
n÷5 197478897.8

Exponentiation

ny
n2 974947876907571121
n3 9.6265816072079E+26
n4 9.5052336268658E+35
n5 9.3854152998248E+44

Nth Root

y√n
2√n 31422.833879203
3√n 995.78038287498
4√n 177.26486927534
5√n 62.935855465302

Divisors of 987394489

1, 19, 51968131, 987394489

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 -987394488
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 987394489 can be divided by 4 positive divisors. The sum of these divisors (counting 987394489) is 1, the average is 0.25.

Base conversion 987394489

Base System Value
2 Binary 111010110110100111000110111001
3 Ternary 2112210221211121021
4 Quaternary 322312213012321
5 Quinary 4010233110424
6 Senary 241551142441
8 Octal 7266470671
10 Decimal 987394489
12 Duodecimal 236814a21
16 Hexadecimal 3ada71b9
20 Vigesimal f8b4649
36 Base36 gbvagp

Cryptographic Hash Functions

md5 f070407fb776e33c73d5747eb1ffad2b
sha1 276fb59c996780de832065132fc3ca5436148f60
sha256 0914875128b75e74dc1af2de36f7040baf663b3c1d86765fbd04ced5a14d5a2b
sha512 fcccb47759b228e43ccb165545a49b5d9afa83ddfdbbf97c8fabae43004c23e60b493f24ae08f9d5af42d016cbb317667fe68cc76cb0383fc14458ffe9fa11ba
ripemd-160 56031ca08849912b04efd1ee1829d0ea3d644b95

987394489 as geometric shapes

Circle

Radius = n
Diameter 1974788978
Circumference 6203982545.6749
Area 3.0628890877258E+18

Sphere

Radius = n
Volume 4.0323730741849E+27
Surface area 1.2251556350903E+19
Circumference 6203982545.6749

Square

Length = n
Perimeter 3949577956
Area 974947876907571121
Diagonal 1396386677.7563

Cube

Length = n
Surface area 5849687261445426726
Volume 9.6265816072079E+26
Space diagonal 1710217422.0615

Equilateral Triangle

Length = n
Perimeter 2962183467
Area 4.2216481438383E+17
Altitude 855108711.03075

Triangular Pyramid

Length = n
Surface area 4.2216481438383E+17
Volume 1.1345035223504E+26
Height 465462225.91875