687427991 (number)

687427991 is an odd 9-digits composite number following 687427990 and preceding 687427992. In scientific notation, it is written as 6.87427991 × 10^8. The sum of its digits is 53. It has a total of 3 prime factors and 8 positive divisors. There are 684868608 positive integers (up to 687427991) that are relatively prime to 687427991.

Interesting facts

Basic properties

Name

Name six hundred eighty-seven million four hundred twenty-seven thousand nine hundred ninety-one

Notation

Scientific notation 6.87427991 × 10^8
Engineering notation 6.87427991 × 10^6

Prime Factorization of 687427991

Prime Factorization 1657 × 577 × 719

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 687427991
Product of the distinct prime numbers

The prime factorization of 687427991 is 1657 × 577 × 719. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 687427991)

Multiplication

n×y
n×2 1374855982
n×3 2062283973
n×4 2749711964
n×5 3437139955

Division

n÷y
n÷2 343713995.5
n÷3 229142663.66667
n÷3 171856997.75
n÷5 137485598.2

Exponentiation

ny
n2 472557242810296081
n3 3.2484907605758E+26
n4 2.2331034773247E+35
n5 1.5350978371124E+44

Nth Root

y√n
2√n 26218.848010544
3√n 882.55626859159
4√n 161.92235179414
5√n 58.539019291541

Divisors of 687427991

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 -687427990
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 687427991 can be divided by 8 positive divisors. The sum of these divisors (counting 687427991) is 1, the average is 0.125.

Base conversion 687427991

Base System Value
2 Binary 101000111110010101000110010111
3 Ternary 1202220111221220222
4 Quaternary 220332111012113
5 Quinary 2401440143431
6 Senary 152113544555
8 Octal 5076250627
10 Decimal 687427991
12 Duodecimal 17227515b
16 Hexadecimal 28f95197
20 Vigesimal aeg89jb
36 Base36 bd9ytz

Cryptographic Hash Functions

md5 9a559588b1b73bd8dbe3d20cf2c8123d
sha1 92a1d4e29878230551ed869f16691fb2688f1cff
sha256 23295dc5ff36cd85cbf8955c2a8b771e1afa67be0dd4c5bacd29f4eaf0fb4aef
sha512 6cb064212a78d3714308dcf06791aaeb8146ca56ec82341b0583afad7fdc3f2e73d70dde80b4143ee42be8c5a8737f888ca10994595408d03153938eb29dff6e
ripemd-160 af9c9f105a5165d688672da06a38a41fc3093eee

687427991 as geometric shapes

Circle

Radius = n
Diameter 1374855982
Circumference 4319237452.7952
Area 1.4845823624135E+18

Sphere

Radius = n
Volume 1.3607246278239E+27
Surface area 5.9383294496539E+18
Circumference 4319237452.7952

Square

Length = n
Perimeter 2749711964
Area 472557242810296081
Diagonal 972169988.02709

Cube

Length = n
Surface area 2835343456861776486
Volume 3.2484907605758E+26
Space diagonal 1190660206.957

Equilateral Triangle

Length = n
Perimeter 2062283973
Area 2.0462328850802E+17
Altitude 595330103.4785

Triangular Pyramid

Length = n
Surface area 2.0462328850802E+17
Volume 3.8283830757083E+25
Height 324056662.6757