1661505890 (number)

1661505890 is an even 10-digits composite number following 1661505889 and preceding 1661505891. In scientific notation, it is written as 1.661505890 × 10^9. The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors. There are 603749440 positive integers (up to 1661505890) that are relatively prime to 1661505890.

Interesting facts

Basic properties

Name

Name one billion six hundred sixty-one million five hundred five thousand eight hundred ninety

Notation

Scientific notation 1.661505890 × 10^9
Engineering notation 1.661505890 × 10^9

Prime Factorization of 1661505890

Prime Factorization 2 × 55 × 1637 × 9227

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1661505890
Product of the distinct prime numbers

The prime factorization of 1661505890 is 2 × 55 × 1637 × 9227. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1661505890)

Multiplication

n×y
n×2 3323011780
n×3 4984517670
n×4 6646023560
n×5 8307529450

Division

n÷y
n÷2 830752945
n÷3 553835296.66667
n÷3 415376472.5
n÷5 332301178

Exponentiation

ny
n2 2760601822504692100
n3 4.5867561880363E+27
n4 7.6209224224162E+36
n5 1.2662207492078E+46

Nth Root

y√n
2√n 40761.57369386
3√n 1184.4060807488
4√n 201.89495707882
5√n 69.839380285686

Divisors of 1661505890

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 -1661505889
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 1661505890 can be divided by 16 positive divisors. The sum of these divisors (counting 1661505890) is 1, the average is 0.0625.

Base conversion 1661505890

Base System Value
2 Binary 1100011000010001001000101100010
3 Ternary 11021210102020121012
4 Quaternary 1203002021011202
5 Quinary 11400321142030
6 Senary 432511500522
8 Octal 14302110542
10 Decimal 1661505890
12 Duodecimal 3a4527742
16 Hexadecimal 63089162
20 Vigesimal 15j484ea
36 Base36 rh7u5e

Cryptographic Hash Functions

md5 93bcaa459f68e0079652183fc57aa439
sha1 ff5e6edd1db128419dda0a1141e7d53180dfe3d3
sha256 70bfe2991cc7156aca0b9dda1bd2effb39c836df5df104c68729d130d4d6ebd6
sha512 bced49fee993db3c77b0d87d00373db154ab406dad14c7e5262cae0c7358e559fd57bee533cf34a04acd5d3c1001b8dcbb60691e26d13550ac97ce6f141860a2
ripemd-160 a35e3e945168cb8d451215cd632d0dcec10c3d09

1661505890 as geometric shapes

Circle

Radius = n
Diameter 3323011780
Circumference 10439549395.84
Area 8.6726864050673E+18

Sphere

Radius = n
Volume 1.921295939219E+28
Surface area 3.4690745620269E+19
Circumference 10439549395.84

Square

Length = n
Perimeter 6646023560
Area 2760601822504692100
Diagonal 2349724163.6008

Cube

Length = n
Surface area 1.6563610935028E+19
Volume 4.5867561880363E+27
Space diagonal 2877812618.5549

Equilateral Triangle

Length = n
Perimeter 4984517670
Area 1.1953756540113E+18
Altitude 1438906309.2775

Triangular Pyramid

Length = n
Surface area 1.1953756540113E+18
Volume 5.4055440070164E+26
Height 783241387.86693