1388941661 (number)

1388941661 is an odd 10-digits composite number following 1388941660 and preceding 1388941662. In scientific notation, it is written as 1.388941661 × 10^9. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 1383660252 positive integers (up to 1388941661) that are relatively prime to 1388941661.

Interesting facts

Basic properties

Name

Name one billion three hundred eighty-eight million nine hundred forty-one thousand six hundred sixty-one

Notation

Scientific notation 1.388941661 × 10^9
Engineering notation 1.388941661 × 10^9

Prime Factorization of 1388941661

Prime Factorization 263 × 5281147

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1388941661
Product of the distinct prime numbers

The prime factorization of 1388941661 is 263 × 5281147. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 2, 96, 4, 55, 673, 2974, 9672, 13824, 98699, 895800, 773401, 4268309, 500561, 67464612, 2168587, 481863595, 208836604, 8722401957, 6510526157

Basic calculations (n = 1388941661)

Multiplication

n×y
n×2 2777883322
n×3 4166824983
n×4 5555766644
n×5 6944708305

Division

n÷y
n÷2 694470830.5
n÷3 462980553.66667
n÷3 347235415.25
n÷5 277788332.2

Exponentiation

ny
n2 1929158937661438921
n3 2.6794892192085E+27
n4 3.721654206759E+36
n5 5.1691605756035E+45

Nth Root

y√n
2√n 37268.507630438
3√n 1115.7357142473
4√n 193.05053128763
5√n 67.380898979508

Divisors of 1388941661

1, 263, 5281147, 1388941661

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 -1388941660
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 1388941661 can be divided by 4 positive divisors. The sum of these divisors (counting 1388941661) is 1, the average is 0.25.

Base conversion 1388941661

Base System Value
2 Binary 1010010110010011001000101011101
3 Ternary 10120210112112202202
4 Quaternary 1102302121011131
5 Quinary 10321032113121
6 Senary 345453501245
8 Octal 12262310535
10 Decimal 1388941661
12 Duodecimal 3291a1825
16 Hexadecimal 52c9915d
20 Vigesimal 11e0he31
36 Base36 myxu8t

Cryptographic Hash Functions

md5 645ac972c0117fec2737f3e3d540f057
sha1 a8e3dc93d240c6800678bc954bdf5841e7b92bff
sha256 f062e0239da7c99f100b2a524e12b1dfaf8b4d65d26b753be3897bffb3fd3f35
sha512 f7aa7c55fe94af943a643b7ada0d90f3bcefd342cd45c56073178e5b9739cca65f98131f30b595da051f71b9137b83593ec6c1cb629fbdaaf8b74a590ce5aea1
ripemd-160 b8624e2e06ecdbeb398ba86cadf2abcdb86aad25

1388941661 as geometric shapes

Circle

Radius = n
Diameter 2777883322
Circumference 8726977836.9248
Area 6.0606315461643E+18

Sphere

Radius = n
Volume 1.1223818195251E+28
Surface area 2.4242526184657E+19
Circumference 8726977836.9248

Square

Length = n
Perimeter 5555766644
Area 1929158937661438921
Diagonal 1964260134.3312

Cube

Length = n
Surface area 1.1574953625969E+19
Volume 2.6794892192085E+27
Space diagonal 2405717525.6011

Equilateral Triangle

Length = n
Perimeter 4166824983
Area 8.353503239763E+17
Altitude 1202858762.8006

Triangular Pyramid

Length = n
Surface area 8.353503239763E+17
Volume 3.1578083283643E+26
Height 654753378.1104