1388891385 (number)

1388891385 is an odd 10-digits composite number following 1388891384 and preceding 1388891386. In scientific notation, it is written as 1.388891385 × 10^9. The sum of its digits is 54. It has a total of 6 prime factors and 64 positive divisors. There are 614075904 positive integers (up to 1388891385) that are relatively prime to 1388891385.

Interesting facts

Basic properties

Name

Name one billion three hundred eighty-eight million eight hundred ninety-one thousand three hundred eighty-five

Notation

Scientific notation 1.388891385 × 10^9
Engineering notation 1.388891385 × 10^9

Prime Factorization of 1388891385

Prime Factorization 5 × 9 × 7 × 37 × 269 × 443

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 1388891385
Product of the distinct prime numbers

The prime factorization of 1388891385 is 5 × 9 × 7 × 37 × 269 × 443. Since it has a total of 6 prime factors.

Most popular turbo-numbers

10, 3, 51, 42, 186, 486, 7137, 4562, 17026, 58490, 725263, 583915, 850998, 3993705, 42442289, 96477353, 441504733, 392759893, 5250768226, 2512707750

Basic calculations (n = 1388891385)

Multiplication

n×y
n×2 2777782770
n×3 4166674155
n×4 5555565540
n×5 6944456925

Division

n÷y
n÷2 694445692.5
n÷3 462963795
n÷3 347222846.25
n÷5 277778277

Exponentiation

ny
n2 1929019279327218225
n3 2.6791982585565E+27
n4 3.7211153800161E+36
n5 5.1682250938954E+45

Nth Root

y√n
2√n 37267.833113826
3√n 1115.7222518615
4√n 193.04878428477
5√n 67.38041117052

Divisors of 1388891385

1, 5, 7, 9, 35, 37, 45, 63, 185, 259, 269, 315, 333, 443, 1295, 1345, 1665, 1883, 2215, 2331, 2421, 3101, 3987, 9415, 9953, 11655, 12105, 15505, 16391, 16947, 19935, 27909, 49765, 69671, 81955, 84735, 89577, 114737, 119167, 139545, 147519, 348355, 447885, 573685, 595835, 627039, 737595, 834169, 1032633, 1072503, 3135195, 4170845, 4409179, 5163165, 5362515, 7507521, 22045895, 30864253, 37537605, 39682611, 154321265, 198413055, 277778277, 1388891385

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1388891384
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1388891385 can be divided by 64 positive divisors. The sum of these divisors (counting 1388891385) is 1, the average is 0.015625.

Base conversion 1388891385

Base System Value
2 Binary 1010010110010001100110011111001
3 Ternary 10120210102222210200
4 Quaternary 1102302030303321
5 Quinary 10321024011020
6 Senary 345452432413
8 Octal 12262146371
10 Decimal 1388891385
12 Duodecimal 329178709
16 Hexadecimal 52c8ccf9
20 Vigesimal 11e0b895
36 Base36 mywrg9

Cryptographic Hash Functions

md5 565e529d2be5779cb4fb39455e8ab4cd
sha1 98dcb00df76d69f501fbd1af6c53660b911402c7
sha256 5f9254355fc30f9b1cc35fb9ee262c63968ecd44524e545ddf5dd03017825090
sha512 f0b90d85f62d909b92795b49112d2451f14af7fcbedb7e41956c53397095a224672e740cb5c390aba4b6f76e0bce0ba01c4c574faf022bb2a879c94d0acfc8a5
ripemd-160 34d13ce570767600b16478caaed653738328debd

1388891385 as geometric shapes

Circle

Radius = n
Diameter 2777782770
Circumference 8726661943.5003
Area 6.0601927965675E+18

Sphere

Radius = n
Volume 1.1222599422122E+28
Surface area 2.424077118627E+19
Circumference 8726661943.5003

Square

Length = n
Perimeter 5555565540
Area 1929019279327218225
Diagonal 1964189033.3302

Cube

Length = n
Surface area 1.1574115675963E+19
Volume 2.6791982585565E+27
Space diagonal 2405630445.0147

Equilateral Triangle

Length = n
Perimeter 4166674155
Area 8.3528985014366E+17
Altitude 1202815222.5074

Triangular Pyramid

Length = n
Surface area 8.3528985014366E+17
Volume 3.1574654279475E+26
Height 654729677.77672