987991693 (number)

987991693 is an odd 9-digits composite number following 987991692 and preceding 987991694. In scientific notation, it is written as 9.87991693 × 10^8. The sum of its digits is 61. It has a total of 3 prime factors and 8 positive divisors. There are 890782704 positive integers (up to 987991693) that are relatively prime to 987991693.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 9.87991693 × 10^8
Engineering notation 9.87991693 × 10^6

Prime Factorization of 987991693

Prime Factorization 13 × 43 × 1767427

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 987991693
Product of the distinct prime numbers

The prime factorization of 987991693 is 13 × 43 × 1767427. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 9, 75, 83, 434, 165, 1876, 1217, 84415, 33978, 8091, 467425, 2559852, 3389722, 48435282, 538873, 103503949, 156460952, 2936088485, 974468291

Basic calculations (n = 987991693)

Multiplication

n×y
n×2 1975983386
n×3 2963975079
n×4 3951966772
n×5 4939958465

Division

n÷y
n÷2 493995846.5
n÷3 329330564.33333
n÷3 246997923.25
n÷5 197598338.6

Exponentiation

ny
n2 976127585437006249
n3 9.6440594571991E+26
n4 9.5282506305108E+35
n5 9.4138324717667E+44

Nth Root

y√n
2√n 31432.335150288
3√n 995.98110108869
4√n 177.29166689466
5√n 62.943466699763

Divisors of 987991693

1, 13, 43, 559, 1767427, 22976551, 75999361, 987991693

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 -987991692
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 987991693 can be divided by 8 positive divisors. The sum of these divisors (counting 987991693) is 1, the average is 0.125.

Base conversion 987991693

Base System Value
2 Binary 111010111000111000111010001101
3 Ternary 2112212002011210221
4 Quaternary 322320320322031
5 Quinary 4010411213233
6 Senary 242012031341
8 Octal 7270707215
10 Decimal 987991693
12 Duodecimal 236a62551
16 Hexadecimal 3ae38e8d
20 Vigesimal f8eij4d
36 Base36 gc839p

Cryptographic Hash Functions

md5 9d76305b4c40561fae274b553d6efb72
sha1 0770dd9fb47ae7b78cf7685e9d4de9e372f6addd
sha256 c26ee4774eda7d07791221423523eaa465753105f8364149a04351527c464dee
sha512 813b76e143bbd61a43b653d68b82caefde66fbbb009a3cbef9a9e6de6cebdc1403e6fb4ae93068e7c873316f6ede94b4691b5068ef18abd43509d331a09cef00
ripemd-160 95200693454eff57610a320366f47f5d89df84a4

987991693 as geometric shapes

Circle

Radius = n
Diameter 1975983386
Circumference 6207734889.0731
Area 3.0665952513752E+18

Sphere

Radius = n
Volume 4.0396941788693E+27
Surface area 1.2266381005501E+19
Circumference 6207734889.0731

Square

Length = n
Perimeter 3951966772
Area 976127585437006249
Diagonal 1397231251.7526

Cube

Length = n
Surface area 5856765512622037494
Volume 9.6440594571991E+26
Space diagonal 1711251809.732

Equilateral Triangle

Length = n
Perimeter 2963975079
Area 4.2267564316161E+17
Altitude 855625904.866

Triangular Pyramid

Length = n
Surface area 4.2267564316161E+17
Volume 1.1365633067253E+26
Height 465743750.58419