1687661645 (number)

1687661645 is an odd 10-digits composite number following 1687661644 and preceding 1687661646. In scientific notation, it is written as 1.687661645 × 10^9. The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors. There are 1350129312 positive integers (up to 1687661645) that are relatively prime to 1687661645.

Interesting facts

Basic properties

Name

Name one billion six hundred eighty-seven million six hundred sixty-one thousand six hundred forty-five

Notation

Scientific notation 1.687661645 × 10^9
Engineering notation 1.687661645 × 10^9

Prime Factorization of 1687661645

Prime Factorization 5 × 337532329

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1687661645
Product of the distinct prime numbers

The prime factorization of 1687661645 is 5 × 337532329. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 2, 20, 38, 33, 901, 9597, 3021, 7759, 49900, 663507, 990620, 2148145, 2474803, 39333179, 75061694, 736184617, 75133921, 1921382456, 1647344201

Basic calculations (n = 1687661645)

Multiplication

n×y
n×2 3375323290
n×3 5062984935
n×4 6750646580
n×5 8438308225

Division

n÷y
n÷2 843830822.5
n÷3 562553881.66667
n÷3 421915411.25
n÷5 337532329

Exponentiation

ny
n2 2848201828004106025
n3 4.8068009823414E+27
n4 8.1122536530459E+36
n5 1.3690739344757E+46

Nth Root

y√n
2√n 41081.159246058
3√n 1190.5888019021
4√n 202.68487670781
5√n 70.057893704474

Divisors of 1687661645

1, 5, 337532329, 1687661645

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 -1687661644
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 1687661645 can be divided by 4 positive divisors. The sum of these divisors (counting 1687661645) is 1, the average is 0.25.

Base conversion 1687661645

Base System Value
2 Binary 1100100100101111010110001001101
3 Ternary 11100121122002112212
4 Quaternary 1210211322301031
5 Quinary 11424020133040
6 Senary 435244240205
8 Octal 14445726115
10 Decimal 1687661645
12 Duodecimal 3b1240065
16 Hexadecimal 6497ac4d
20 Vigesimal 1677he25
36 Base36 rwsg25

Cryptographic Hash Functions

md5 17ad44d4973b50ccbe336c8526a50c51
sha1 9cc959abe93153f8315d55d2e4e97e630efc6314
sha256 be7239e5ff07d5925742ca3b293028d135edb7d82c995671d6c5ca2130e44c44
sha512 fa4683ea28e70d04298c36449a57256c42ca45aa0b1dc832e41967400402dacf90dc27cd9708686f33ade51b1d548f93cff8790a4826908a27525decb4e73281
ripemd-160 253939f623c5f56746b0f53ae00de5d3a0d1c232

1687661645 as geometric shapes

Circle

Radius = n
Diameter 3375323290
Circumference 10603890851.355
Area 8.9478899387987E+18

Sphere

Radius = n
Volume 2.0134680871189E+28
Surface area 3.5791559755195E+19
Circumference 10603890851.355

Square

Length = n
Perimeter 6750646580
Area 2848201828004106025
Diagonal 2386713987.0559

Cube

Length = n
Surface area 1.7089210968025E+19
Volume 4.8068009823414E+27
Space diagonal 2923115715.1253

Equilateral Triangle

Length = n
Perimeter 5062984935
Area 1.2333075690784E+18
Altitude 1461557857.5626

Triangular Pyramid

Length = n
Surface area 1.2333075690784E+18
Volume 5.6648692840463E+26
Height 795571329.01863