987390691 (number)

987390691 is an odd 9-digits composite number following 987390690 and preceding 987390692. In scientific notation, it is written as 9.87390691 × 10^8. The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors. There are 846334872 positive integers (up to 987390691) that are relatively prime to 987390691.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 9.87390691 × 10^8
Engineering notation 9.87390691 × 10^6

Prime Factorization of 987390691

Prime Factorization 7 × 141055813

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 987390691
Product of the distinct prime numbers

The prime factorization of 987390691 is 7 × 141055813. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 10, 58, 52, 974, 271, 2762, 8526, 64561, 68851, 904931, 441698, 3984823, 4023054, 11712390, 92886699, 446860909, 926836114, 1069256856, 3912832611

Basic calculations (n = 987390691)

Multiplication

n×y
n×2 1974781382
n×3 2962172073
n×4 3949562764
n×5 4936953455

Division

n÷y
n÷2 493695345.5
n÷3 329130230.33333
n÷3 246847672.75
n÷5 197478138.2

Exponentiation

ny
n2 974940376673457481
n3 9.6264705220741E+26
n4 9.5050873806818E+35
n5 9.3852347968268E+44

Nth Root

y√n
2√n 31422.773445385
3√n 995.77910612127
4√n 177.26469881334
5√n 62.935807048838

Divisors of 987390691

1, 7, 141055813, 987390691

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 -987390690
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 987390691 can be divided by 4 positive divisors. The sum of these divisors (counting 987390691) is 1, the average is 0.25.

Base conversion 987390691

Base System Value
2 Binary 111010110110100110001011100011
3 Ternary 2112210221122101121
4 Quaternary 322312212023203
5 Quinary 4010233000231
6 Senary 241551113111
8 Octal 7266461343
10 Decimal 987390691
12 Duodecimal 236812797
16 Hexadecimal 3ada62e3
20 Vigesimal f8b3geb
36 Base36 gbv7j7

Cryptographic Hash Functions

md5 c4b04879ee01054ee703a3441f434b7c
sha1 936623fc82ff81b4c6c7402061b13805ba67d230
sha256 b019294c6582303179868abb03ef916a0485a950c691b815a36a8f070027efc2
sha512 8d0c15d708b6770c8d3de1b075bd5e28f4fd56afd97dfd7b297eb4c99fbb12f64c0631658f4569cd76912172f8c70a9b82a8d0e93fd294375dedd86e5466e8f0
ripemd-160 fb8e3b1b5844a368d8361b8a26f1ecd77082b3a1

987390691 as geometric shapes

Circle

Radius = n
Diameter 1974781382
Circumference 6203958682.1371
Area 3.0628655250454E+18

Sphere

Radius = n
Volume 4.0323265429529E+27
Surface area 1.2251462100182E+19
Circumference 6203958682.1371

Square

Length = n
Perimeter 3949562764
Area 974940376673457481
Diagonal 1396381306.5731

Cube

Length = n
Surface area 5849642260040744886
Volume 9.6264705220741E+26
Space diagonal 1710210843.7325

Equilateral Triangle

Length = n
Perimeter 2962172073
Area 4.2216156668719E+17
Altitude 855105421.86627

Triangular Pyramid

Length = n
Surface area 4.2216156668719E+17
Volume 1.1344904308418E+26
Height 465460435.52438