1687081906 (number)

1687081906 is an even 10-digits composite number following 1687081905 and preceding 1687081907. In scientific notation, it is written as 1.687081906 × 10^9. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 843540952 positive integers (up to 1687081906) that are relatively prime to 1687081906.

Interesting facts

Basic properties

Name

Name one billion six hundred eighty-seven million eighty-one thousand nine hundred six

Notation

Scientific notation 1.687081906 × 10^9
Engineering notation 1.687081906 × 10^9

Prime Factorization of 1687081906

Prime Factorization 2 × 843540953

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1687081906
Product of the distinct prime numbers

The prime factorization of 1687081906 is 2 × 843540953. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1687081906)

Multiplication

n×y
n×2 3374163812
n×3 5061245718
n×4 6748327624
n×5 8435409530

Division

n÷y
n÷2 843540953
n÷3 562360635.33333
n÷3 421770476.5
n÷5 337416381.2

Exponentiation

ny
n2 2846245357552592836
n3 4.8018490427635E+27
n4 8.1011126353897E+36
n5 1.3667240545634E+46

Nth Root

y√n
2√n 41074.102619534
3√n 1190.4524574689
4√n 202.66746808389
5√n 70.053079839644

Divisors of 1687081906

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 -1687081905
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 1687081906 can be divided by 4 positive divisors. The sum of these divisors (counting 1687081906) is 1, the average is 0.25.

Base conversion 1687081906

Base System Value
2 Binary 1100100100011101101001110110010
3 Ternary 11100120112122022001
4 Quaternary 1210203231032302
5 Quinary 11423343110111
6 Senary 435224004214
8 Octal 14443551662
10 Decimal 1687081906
12 Duodecimal 3b100066a
16 Hexadecimal 648ed3b2
20 Vigesimal 167454f6
36 Base36 rwg0qa

Cryptographic Hash Functions

md5 dfcd6924c929008ccb53c6abb8afcf42
sha1 0f6a41d4956c309685708c18e301fc67dfe6e47e
sha256 006bd064c6a8f4acd2bbb0c15059720a55f2ba0070ad3fefac2e6de2f928c02a
sha512 1fa922f88244bb4eea4bf00e61bc4c7c738de2d8df80c8629384e1316ca2952b7dd9716bb57d5f40738497564b4566fe27bc93c0ba178b422e2f60fbbc0a809d
ripemd-160 e42e9e57f96896330adf8b5e8d61461d04a784b9

1687081906 as geometric shapes

Circle

Radius = n
Diameter 3374163812
Circumference 10600248243.788
Area 8.9417435056013E+18

Sphere

Radius = n
Volume 2.0113938235191E+28
Surface area 3.5766974022405E+19
Circumference 10600248243.788

Square

Length = n
Perimeter 6748327624
Area 2846245357552592836
Diagonal 2385894112.2995

Cube

Length = n
Surface area 1.7077472145316E+19
Volume 4.8018490427635E+27
Space diagonal 2922111577.7221

Equilateral Triangle

Length = n
Perimeter 5061245718
Area 1.232460392522E+18
Altitude 1461055788.8611

Triangular Pyramid

Length = n
Surface area 1.232460392522E+18
Volume 5.659033367287E+26
Height 795298037.43315