1388891380 (number)

1388891380 is an even 10-digits composite number following 1388891379 and preceding 1388891381. In scientific notation, it is written as 1.388891380 × 10^9. The sum of its digits is 49. It has a total of 5 prime factors and 24 positive divisors. There are 554798880 positive integers (up to 1388891380) that are relatively prime to 1388891380.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.388891380 × 10^9
Engineering notation 1.388891380 × 10^9

Prime Factorization of 1388891380

Prime Factorization 2 × 2 × 5 × 739 × 93971

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 694445690
Product of the distinct prime numbers

The prime factorization of 1388891380 is 2 × 2 × 5 × 739 × 93971. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1388891380)

Multiplication

n×y
n×2 2777782760
n×3 4166674140
n×4 5555565520
n×5 6944456900

Division

n÷y
n÷2 694445690
n÷3 462963793.33333
n÷3 347222845
n÷5 277778276

Exponentiation

ny
n2 1929019265438304400
n3 2.6791982296212E+27
n4 3.7211153264321E+36
n5 5.1682250008675E+45

Nth Root

y√n
2√n 37267.833046744
3√n 1115.7222505226
4√n 193.04878411102
5√n 67.380411122006

Divisors of 1388891380

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1388891379
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1388891380 can be divided by 24 positive divisors. The sum of these divisors (counting 1388891380) is 1, the average is 0.041666666666667.

Base conversion 1388891380

Base System Value
2 Binary 1010010110010001100110011110100
3 Ternary 10120210102222210111
4 Quaternary 1102302030303310
5 Quinary 10321024011010
6 Senary 345452432404
8 Octal 12262146364
10 Decimal 1388891380
12 Duodecimal 329178704
16 Hexadecimal 52c8ccf4
20 Vigesimal 11e0b890
36 Base36 mywrg4

Cryptographic Hash Functions

md5 916b9bed793a4a955473364a05fa6a68
sha1 260583a377ba5c532855917d674e35beaca7b73d
sha256 824b9b71fee0a894ae9077a1878b85aa62f409a53ed36b2ce52904d0f5efc818
sha512 b322156a032ebfad896f9c7a26bc373571ad065b1b8b6c53efc8ca4c5a6ab12cd3739ee7c8ee601c71961b3840462b8d54db707828a1bb6168fde84a8aa7ebc0
ripemd-160 80bbcff52e94a34b88b8f651a21c8fd7ac1ac8ae

1388891380 as geometric shapes

Circle

Radius = n
Diameter 2777782760
Circumference 8726661912.0844
Area 6.0601927529342E+18

Sphere

Radius = n
Volume 1.1222599300918E+28
Surface area 2.4240771011737E+19
Circumference 8726661912.0844

Square

Length = n
Perimeter 5555565520
Area 1929019265438304400
Diagonal 1964189026.2591

Cube

Length = n
Surface area 1.157411559263E+19
Volume 2.6791982296212E+27
Space diagonal 2405630436.3545

Equilateral Triangle

Length = n
Perimeter 4166674140
Area 8.3528984412958E+17
Altitude 1202815218.1772

Triangular Pyramid

Length = n
Surface area 8.3528984412958E+17
Volume 3.1574653938469E+26
Height 654729675.41969