1687056987 (number)

1687056987 is an odd 10-digits composite number following 1687056986 and preceding 1687056988. In scientific notation, it is written as 1.687056987 × 10^9. The sum of its digits is 57. It has a total of 4 prime factors and 16 positive divisors. There are 830265120 positive integers (up to 1687056987) that are relatively prime to 1687056987.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.687056987 × 10^9
Engineering notation 1.687056987 × 10^9

Prime Factorization of 1687056987

Prime Factorization 21 × 11 × 19 × 384383

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1687056987
Product of the distinct prime numbers

The prime factorization of 1687056987 is 21 × 11 × 19 × 384383. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1687056987)

Multiplication

n×y
n×2 3374113974
n×3 5061170961
n×4 6748227948
n×5 8435284935

Division

n÷y
n÷2 843528493.5
n÷3 562352329
n÷3 421764246.75
n÷5 337411397.4

Exponentiation

ny
n2 2846161277385518169
n3 4.8016362691421E+27
n4 8.1006340168888E+36
n5 1.3666231217322E+46

Nth Root

y√n
2√n 41073.799276424
3√n 1190.4465962575
4√n 202.66671970608
5√n 70.052872894978

Divisors of 1687056987

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1687056986
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1687056987 can be divided by 16 positive divisors. The sum of these divisors (counting 1687056987) is 1, the average is 0.0625.

Base conversion 1687056987

Base System Value
2 Binary 1100100100011100111001001011011
3 Ternary 11100120111101010010
4 Quaternary 1210203213021123
5 Quinary 11423341310422
6 Senary 435223253003
8 Octal 14443471133
10 Decimal 1687056987
12 Duodecimal 3b0baa163
16 Hexadecimal 648e725b
20 Vigesimal 16742297
36 Base36 rwfhi3

Cryptographic Hash Functions

md5 d9fd744d128283f72a514f7e192133f7
sha1 e1110f7f33a7e42b74b76f2220ac2b6c61f96ced
sha256 fcb627a4a818bcdc0fc384f80e85d9d6004aa55567ded949b4edb75f5b3398fd
sha512 4d0d886c0ee078e80e4f095efec1886d4100c7417657bee47df2269c50c625c6481b58557d36813b3b52e56c21815c917528f1b94b4af42e2c886776eef7f877
ripemd-160 df4da95526db245aefe208a2418562ace05ae2cb

1687056987 as geometric shapes

Circle

Radius = n
Diameter 3374113974
Circumference 10600091673.093
Area 8.9414793599661E+18

Sphere

Radius = n
Volume 2.0113046971129E+28
Surface area 3.5765917439864E+19
Circumference 10600091673.093

Square

Length = n
Perimeter 6748227948
Area 2846161277385518169
Diagonal 2385858871.5117

Cube

Length = n
Surface area 1.7076967664313E+19
Volume 4.8016362691421E+27
Space diagonal 2922068416.7481

Equilateral Triangle

Length = n
Perimeter 5061170961
Area 1.2324239847417E+18
Altitude 1461034208.374

Triangular Pyramid

Length = n
Surface area 1.2324239847417E+18
Volume 5.6587826111694E+26
Height 795286290.5039