1687661644 (number)

1687661644 is an even 10-digits composite number following 1687661643 and preceding 1687661645. In scientific notation, it is written as 1.687661644 × 10^9. The sum of its digits is 49. It has a total of 3 prime factors and 6 positive divisors. There are 843830820 positive integers (up to 1687661644) that are relatively prime to 1687661644.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.687661644 × 10^9
Engineering notation 1.687661644 × 10^9

Prime Factorization of 1687661644

Prime Factorization 2 × 2 × 421915411

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 843830822
Product of the distinct prime numbers

The prime factorization of 1687661644 is 2 × 2 × 421915411. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 9, 61, 7, 212, 948, 3792, 7071, 43788, 47354, 255602, 483115, 1412437, 4240749, 49464199, 26543050, 451523142, 367839806, 299212469, 20864815

Basic calculations (n = 1687661644)

Multiplication

n×y
n×2 3375323288
n×3 5062984932
n×4 6750646576
n×5 8438308220

Division

n÷y
n÷2 843830822
n÷3 562553881.33333
n÷3 421915411
n÷5 337532328.8

Exponentiation

ny
n2 2848201824628782736
n3 4.8068009737968E+27
n4 8.1122536338187E+36
n5 1.3690739304195E+46

Nth Root

y√n
2√n 41081.159233887
3√n 1190.588801667
4√n 202.68487667778
5√n 70.057893696172

Divisors of 1687661644

1, 2, 4, 421915411, 843830822, 1687661644

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1687661643
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1687661644 can be divided by 6 positive divisors. The sum of these divisors (counting 1687661644) is 1, the average is 0.16666666666667.

Base conversion 1687661644

Base System Value
2 Binary 1100100100101111010110001001100
3 Ternary 11100121122002112211
4 Quaternary 1210211322301030
5 Quinary 11424020133034
6 Senary 435244240204
8 Octal 14445726114
10 Decimal 1687661644
12 Duodecimal 3b1240064
16 Hexadecimal 6497ac4c
20 Vigesimal 1677he24
36 Base36 rwsg24

Cryptographic Hash Functions

md5 a7859dc32f39d2f3de80c1f56a262815
sha1 54e7e47dc92163709922d4b32a8209a5de247c91
sha256 c7fdb0a62dc8d277a65c9896e2170cc498685902e08498c790c7ed0816bc107f
sha512 695c16b51521f1323fe927a3a84b917577616efcadf308277306d62b051261773c272b29f6ebe9224f48d1df45b1c1641fdd785846d6f983dc36f4852bbe6363
ripemd-160 7e9fc2fb948541c13d8e94f7cce9d6617d28fffb

1687661644 as geometric shapes

Circle

Radius = n
Diameter 3375323288
Circumference 10603890845.071
Area 8.9478899281948E+18

Sphere

Radius = n
Volume 2.0134680835398E+28
Surface area 3.5791559712779E+19
Circumference 10603890845.071

Square

Length = n
Perimeter 6750646576
Area 2848201824628782736
Diagonal 2386713985.6417

Cube

Length = n
Surface area 1.7089210947773E+19
Volume 4.8068009737968E+27
Space diagonal 2923115713.3932

Equilateral Triangle

Length = n
Perimeter 5062984932
Area 1.2333075676169E+18
Altitude 1461557856.6966

Triangular Pyramid

Length = n
Surface area 1.2333075676169E+18
Volume 5.6648692739764E+26
Height 795571328.54722