1387661665 (number)

1387661665 is an odd 10-digits composite number following 1387661664 and preceding 1387661666. In scientific notation, it is written as 1.387661665 × 10^9. The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors. There are 1024734720 positive integers (up to 1387661665) that are relatively prime to 1387661665.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.387661665 × 10^9
Engineering notation 1.387661665 × 10^9

Prime Factorization of 1387661665

Prime Factorization 5 × 13 × 21348641

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1387661665
Product of the distinct prime numbers

The prime factorization of 1387661665 is 5 × 13 × 21348641. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 1, 74, 8, 731, 974, 3368, 8549, 7510, 51031, 255389, 561952, 8689753, 268777, 65718483, 55749264, 241718166, 741801631, 629414395, 9394784526

Basic calculations (n = 1387661665)

Multiplication

n×y
n×2 2775323330
n×3 4162984995
n×4 5550646660
n×5 6938308325

Division

n÷y
n÷2 693830832.5
n÷3 462553888.33333
n÷3 346915416.25
n÷5 277532333

Exponentiation

ny
n2 1925604896510572225
n3 2.672088096824E+27
n4 3.7079542174655E+36
n5 5.1453859231519E+45

Nth Root

y√n
2√n 37251.331050044
3√n 1115.3928689904
4√n 193.00603889527
5√n 67.36847526236

Divisors of 1387661665

1, 5, 13, 65, 21348641, 106743205, 277532333, 1387661665

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1387661664
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1387661665 can be divided by 8 positive divisors. The sum of these divisors (counting 1387661665) is 1, the average is 0.125.

Base conversion 1387661665

Base System Value
2 Binary 1010010101101100000100101100001
3 Ternary 10120201010111221111
4 Quaternary 1102231200211201
5 Quinary 10320220133130
6 Senary 345410223321
8 Octal 12255404541
10 Decimal 1387661665
12 Duodecimal 328884b41
16 Hexadecimal 52b60961
20 Vigesimal 11dche35
36 Base36 my6eld

Cryptographic Hash Functions

md5 8aff3d3ede8c1ecdf9b1e517c16b8b4f
sha1 4637daffd48a089cf25c218e3fffccf5fdbcc159
sha256 59dfc8f86aec46f679fc503fd0bd0eaf145e334582a24b25e621ee80ce48edab
sha512 a47b8f1fe51c630a0f71999e42f4530d96b754e21585b81b95e24abfd406c5edeac370db34c4e20d00a1d639d890aa36e7fa092e725ab1f05e0ad42b98f54ff3
ripemd-160 9301b128b7d7dd0b5d968f0e0ba34f0bb9fd8b2a

1387661665 as geometric shapes

Circle

Radius = n
Diameter 2775323330
Circumference 8718935384.8644
Area 6.0494661965941E+18

Sphere

Radius = n
Volume 1.1192816446303E+28
Surface area 2.4197864786377E+19
Circumference 8718935384.8644

Square

Length = n
Perimeter 5550646660
Area 1925604896510572225
Diagonal 1962449946.6282

Cube

Length = n
Surface area 1.1553629379063E+19
Volume 2.672088096824E+27
Space diagonal 2403500507.4956

Equilateral Triangle

Length = n
Perimeter 4162984995
Area 8.3381137901493E+17
Altitude 1201750253.7478

Triangular Pyramid

Length = n
Surface area 8.3381137901493E+17
Volume 3.1490860219869E+26
Height 654149982.20941