1387661666 (number)

1387661666 is an even 10-digits composite number following 1387661665 and preceding 1387661667. In scientific notation, it is written as 1.387661666 × 10^9. The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors. There are 693830832 positive integers (up to 1387661666) that are relatively prime to 1387661666.

Interesting facts

Basic properties

Name

Name one billion three hundred eighty-seven million six hundred sixty-one thousand six hundred sixty-six

Notation

Scientific notation 1.387661666 × 10^9
Engineering notation 1.387661666 × 10^9

Prime Factorization of 1387661666

Prime Factorization 2 × 693830833

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1387661666
Product of the distinct prime numbers

The prime factorization of 1387661666 is 2 × 693830833. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1387661666)

Multiplication

n×y
n×2 2775323332
n×3 4162984998
n×4 5550646664
n×5 6938308330

Division

n÷y
n÷2 693830833
n÷3 462553888.66667
n÷3 346915416.5
n÷5 277532333.2

Exponentiation

ny
n2 1925604899285895556
n3 2.6720881026008E+27
n4 3.7079542281538E+36
n5 5.1453859416917E+45

Nth Root

y√n
2√n 37251.331063467
3√n 1115.3928692584
4√n 193.00603893005
5√n 67.36847527207

Divisors of 1387661666

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 -1387661665
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 1387661666 can be divided by 4 positive divisors. The sum of these divisors (counting 1387661666) is 1, the average is 0.25.

Base conversion 1387661666

Base System Value
2 Binary 1010010101101100000100101100010
3 Ternary 10120201010111221112
4 Quaternary 1102231200211202
5 Quinary 10320220133131
6 Senary 345410223322
8 Octal 12255404542
10 Decimal 1387661666
12 Duodecimal 328884b42
16 Hexadecimal 52b60962
20 Vigesimal 11dche36
36 Base36 my6ele

Cryptographic Hash Functions

md5 64f7638357e317e19c6210b55c5b691c
sha1 9d45ab2b576b4948cb026e0019be206cb224194d
sha256 0f924ae9b67a22ebf15948cb5a2d8581ba46277a6c9eca5d1f0ec6681d5f1a0a
sha512 b54bc3e560d30c1a3934d7e25db32316f145fa6fdebc2dd122d56423272735cdb13feab10d9cbab4d4ccbb81e9f763494b6099cf2563d9a396676b0daf2520e6
ripemd-160 701853319d6dad749301fcaf30613f25d545d74c

1387661666 as geometric shapes

Circle

Radius = n
Diameter 2775323332
Circumference 8718935391.1475
Area 6.0494662053131E+18

Sphere

Radius = n
Volume 1.1192816470501E+28
Surface area 2.4197864821252E+19
Circumference 8718935391.1475

Square

Length = n
Perimeter 5550646664
Area 1925604899285895556
Diagonal 1962449948.0424

Cube

Length = n
Surface area 1.1553629395715E+19
Volume 2.6720881026008E+27
Space diagonal 2403500509.2277

Equilateral Triangle

Length = n
Perimeter 4162984998
Area 8.3381138021668E+17
Altitude 1201750254.6138

Triangular Pyramid

Length = n
Surface area 8.3381138021668E+17
Volume 3.1490860287949E+26
Height 654149982.68081