1388891386 (number)

1388891386 is an even 10-digits composite number following 1388891385 and preceding 1388891387. In scientific notation, it is written as 1.388891386 × 10^9. The sum of its digits is 55. It has a total of 4 prime factors and 16 positive divisors. There are 663342064 positive integers (up to 1388891386) that are relatively prime to 1388891386.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.388891386 × 10^9
Engineering notation 1.388891386 × 10^9

Prime Factorization of 1388891386

Prime Factorization 2 × 23 × 743 × 40637

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1388891386
Product of the distinct prime numbers

The prime factorization of 1388891386 is 2 × 23 × 743 × 40637. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 4, 40, 85, 518, 820, 4145, 9810, 5365, 10047, 314576, 761877, 5027683, 835085, 25543110, 42696327, 182924752, 569900512, 8766794677, 5974311082

Basic calculations (n = 1388891386)

Multiplication

n×y
n×2 2777782772
n×3 4166674158
n×4 5555565544
n×5 6944456930

Division

n÷y
n÷2 694445693
n÷3 462963795.33333
n÷3 347222846.5
n÷5 277778277.2

Exponentiation

ny
n2 1929019282105000996
n3 2.6791982643435E+27
n4 3.7211153907329E+36
n5 5.1682251125009E+45

Nth Root

y√n
2√n 37267.833127243
3√n 1115.7222521293
4√n 193.04878431951
5√n 67.380411180223

Divisors of 1388891386

1, 2, 23, 46, 743, 1486, 17089, 34178, 40637, 81274, 934651, 1869302, 30193291, 60386582, 694445693, 1388891386

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 -1388891385
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 1388891386 can be divided by 16 positive divisors. The sum of these divisors (counting 1388891386) is 1, the average is 0.0625.

Base conversion 1388891386

Base System Value
2 Binary 1010010110010001100110011111010
3 Ternary 10120210102222210201
4 Quaternary 1102302030303322
5 Quinary 10321024011021
6 Senary 345452432414
8 Octal 12262146372
10 Decimal 1388891386
12 Duodecimal 32917870a
16 Hexadecimal 52c8ccfa
20 Vigesimal 11e0b896
36 Base36 mywrga

Cryptographic Hash Functions

md5 1fa52f40d19d963bcd78f0d1bf8c0736
sha1 6cac9a49568685e4ad952eaeedf8ff468840f9ac
sha256 3085233c529654f0592f89dcf9768510c23ed97b4cabbeaea69a2dccfc6bfed9
sha512 1cc03e423997363e43be6faeda2ca3b0aa57735b6d4bdae0a9ec5a0ede0599a5be12ee49be0b3cee79522eef70df4e7edb07bee256fb824bca903917e0baea13
ripemd-160 80db16f4f6320a81cd7aa1e1c487a9f2cc1f4367

1388891386 as geometric shapes

Circle

Radius = n
Diameter 2777782772
Circumference 8726661949.7835
Area 6.0601928052941E+18

Sphere

Radius = n
Volume 1.1222599446363E+28
Surface area 2.4240771221177E+19
Circumference 8726661949.7835

Square

Length = n
Perimeter 5555565544
Area 1929019282105000996
Diagonal 1964189034.7444

Cube

Length = n
Surface area 1.157411569263E+19
Volume 2.6791982643435E+27
Space diagonal 2405630446.7468

Equilateral Triangle

Length = n
Perimeter 4166674158
Area 8.3528985134648E+17
Altitude 1202815223.3734

Triangular Pyramid

Length = n
Surface area 8.3528985134648E+17
Volume 3.1574654347676E+26
Height 654729678.24812