1388151380
1,388,151,380 is an even composite number composed of six prime numbers multiplied together.
What does the number 1388151380 look like?
This visualization shows the relationship between its 6 prime factors (large circles) and 144 divisors.
1388151380 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 1388151380:
22 × 5 × 72 × 11 × 61 × 2111
(2 × 2 × 5 × 7 × 7 × 11 × 61 × 2111)See below for interesting mathematical facts about the number 1388151380 from the Numbermatics database.
Names of 1388151380
- Cardinal: 1388151380 can be written as One billion, three hundred eighty-eight million, one hundred fifty-one thousand, three hundred eighty.
Scientific notation
- Scientific notation: 1.38815138 × 109
Factors of 1388151380
Divisors of 1388151380
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 4 5 7 10 11 14 20 22 28 35 44 49 55 61 70 77 98 110 122 140 154 196 220 244 245 305 308 385 427 490 539 610 671 770 854 980 1078 1220 1342 1540 1708 2111 2135 2156 2684 2695 2989 3355 4222 4270 4697 5390 5978 6710 8444 8540 9394 10555 10780 11956 13420 14777 14945 18788 21110 23221 23485 29554 29890 32879 42220 46442 46970 59108 59780 65758 73885 92884 93940 103439 116105 128771 131516 147770 162547 164395 206878 232210 257542 295540 325094 328790 413756 464420 515084 517195 643855 650188 657580 812735 901397 1034390 1137829 1287710 1416481 1625470 1802794 2068780 2275658 2575420 2832962 3250940 3605588 4506985 4551316 5665924 5689145 6309779 7082405 9013970 9915367 11378290 12619558 14164810 18027940 19830734 22756580 25239116 28329620 31548895 39661468 49576835 63097790 69407569 99153670 126195580 138815138 198307340 277630276 347037845 694075690 1388151380
- Sum of all divisors σ(n): 3761759232
- Sum of proper divisors (its aliquot sum) s(n): 2373607852
- 1388151380 is an abundant number, because the sum of its proper divisors (2373607852) is greater than itself. Its abundance is 985456472
Bases of 1388151380
- Binary: 10100101011110110000010010101002
- Hexadecimal: 0x52BD8254
- Base-36: MYGWGK
Squares and roots of 1388151380
- 1388151380 squared (13881513802) is 1926964253795904400
- 1388151380 cubed (13881513803) is 2674918088117454931208072000
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The
square root of 1388151380 is 37257.9035910503 -
The
cube root of 1388151380 is 1115.5240634043
Scales and comparisons
How big is 1388151380?- 1,388,151,380 seconds is equal to 44 years, 7 weeks, 1 day, 13 hours, 36 minutes, 20 seconds.
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To count from 1 to 1,388,151,380 would take you about eighty-eight years!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 1388151380 cubic inches would be around 93 feet tall.
Recreational maths with 1388151380
- 1388151380 backwards is 0831518831
- The number of decimal digits it has is: 10
- The sum of 1388151380's digits is 38
- More coming soon!
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The information we have on file for 1388151380 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
Keywords: Divisors of 1388151380, math, Factors of 1388151380, curriculum, school, college, exams, university, Prime factorization of 1388151380, STEM, science, technology, engineering, physics, economics, calculator, one billion, three hundred eighty-eight million, one hundred fifty-one thousand, three hundred eighty.