1388891388 (number)

1388891388 is an even 10-digits composite number following 1388891387 and preceding 1388891389. In scientific notation, it is written as 1.388891388 × 10^9. The sum of its digits is 57. It has a total of 6 prime factors and 48 positive divisors. There are 440428800 positive integers (up to 1388891388) that are relatively prime to 1388891388.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.388891388 × 10^9
Engineering notation 1.388891388 × 10^9

Prime Factorization of 1388891388

Prime Factorization 2 × 2 × 3 × 59 × 31 × 63281

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 694445694
Product of the distinct prime numbers

The prime factorization of 1388891388 is 2 × 2 × 3 × 59 × 31 × 63281. Since it has a total of 6 prime factors.

Most popular turbo-numbers

4, 8, 29, 77, 406, 949, 3877, 169, 51934, 36123, 144612, 674530, 6867256, 6650069, 20551643, 93634347, 703386953, 900917965, 2494677959, 2431285307

Basic calculations (n = 1388891388)

Multiplication

n×y
n×2 2777782776
n×3 4166674164
n×4 5555565552
n×5 6944456940

Division

n÷y
n÷2 694445694
n÷3 462963796
n÷3 347222847
n÷5 277778277.6

Exponentiation

ny
n2 1929019287660566544
n3 2.6791982759177E+27
n4 3.7211154121665E+36
n5 5.1682251497121E+45

Nth Root

y√n
2√n 37267.833154075
3√n 1115.7222526648
4√n 193.04878438901
5√n 67.380411199628

Divisors of 1388891388

1, 2, 3, 4, 6, 12, 31, 59, 62, 93, 118, 124, 177, 186, 236, 354, 372, 708, 1829, 3658, 5487, 7316, 10974, 21948, 63281, 126562, 189843, 253124, 379686, 759372, 1961711, 3733579, 3923422, 5885133, 7467158, 7846844, 11200737, 11770266, 14934316, 22401474, 23540532, 44802948, 115740949, 231481898, 347222847, 462963796, 694445694, 1388891388

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1388891387
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1388891388 can be divided by 48 positive divisors. The sum of these divisors (counting 1388891388) is 1, the average is 0.020833333333333.

Base conversion 1388891388

Base System Value
2 Binary 1010010110010001100110011111100
3 Ternary 10120210102222210210
4 Quaternary 1102302030303330
5 Quinary 10321024011023
6 Senary 345452432420
8 Octal 12262146374
10 Decimal 1388891388
12 Duodecimal 329178710
16 Hexadecimal 52c8ccfc
20 Vigesimal 11e0b898
36 Base36 mywrgc

Cryptographic Hash Functions

md5 acd82109c7e093cb2f46d242299826a1
sha1 65b2e7d3e6393320575d898f17a5ed89da810cc4
sha256 4c1de78b8516d4877a8d72a16d19cb121606b49dc95294b74c4371fb6ada365d
sha512 84b5f0a863380e6ca1d8cde04b7b8a49bf33ddac46d6d4aebd1cf73929397e0b9bb9a133899a4494598f9313862a4afadb1b9d17a0606c1d85b3e74b801a546d
ripemd-160 4963f1ca14a0cbcaff30b69eaa43cbd8fe911212

1388891388 as geometric shapes

Circle

Radius = n
Diameter 2777782776
Circumference 8726661962.3499
Area 6.0601928227475E+18

Sphere

Radius = n
Volume 1.1222599494844E+28
Surface area 2.424077129099E+19
Circumference 8726661962.3499

Square

Length = n
Perimeter 5555565552
Area 1929019287660566544
Diagonal 1964189037.5728

Cube

Length = n
Surface area 1.1574115725963E+19
Volume 2.6791982759177E+27
Space diagonal 2405630450.2109

Equilateral Triangle

Length = n
Perimeter 4166674164
Area 8.3528985375211E+17
Altitude 1202815225.1054

Triangular Pyramid

Length = n
Surface area 8.3528985375211E+17
Volume 3.1574654484078E+26
Height 654729679.19093