21384408487860

Names of 21384408487860

• Cardinal: 21384408487860 can be written as Twenty-one trillion, three hundred eighty-four billion, four hundred eight million, four hundred eighty-seven thousand, eight hundred sixty.

Scientific notation

• Scientific notation: 2.138440848786 × 10¹³

Factors of 21384408487860

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 36364352

Divisors of 21384408487860

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 5 6 9 10 11 12 15 18 20 22 27 30 33 36 44 45 54 55 60 66 81 90 99 108 110 121 132 135 162 165 180 198 220 242 243 270 297 324 330 363 396 405 484 486 495 540 594 605 660 726 810 891 972 990 1089 1188 1210 1215 1452 1485 1620 1782 1815 1980 2178 2420 2430 2673 2970 3267 3564 3630 4356 4455 4860 5346 5445 5940 6534 7260 8910 9801 10692 10890 13068 13365 16335 17820 19602 21780 26730 29403 32670 39204 49005 53460 58806 65340 98010 117612 147015 196020 294030 588060 36364331 72728662 109092993 145457324 181821655 218185986 327278979 363643310 400007641 436371972 545464965 654557958 727286620 800015282 981836937 1090929930 1200022923 1309115916 1600030564 1636394895 1963673874 2000038205 2181859860 2400045846 2945510811 3272789790 3600068769 3927347748 4000076410 4400084051 4800091692 4909184685 5891021622 6000114615 6545579580 7200137538 8000152820 8800168102 8836532433 9818369370 10800206307 11782043244 12000229230 13200252153 14400275076 14727554055 17600336204 17673064866 18000343845 19636738740 21600412614 22000420255 24000458460 26400504306 29455108110 32400618921 35346129732 36000687690 39600756459 43200825228 44000840510 44182662165 52801008612 54001031535 58910216220 64801237842 66001260765 72001375380 79201512918 88001681020 88365324330 97201856763 108002063070 118802269377 129602475684 132002521530 158403025836 162003094605 176730648660 194403713526 198003782295 216004126140 237604538754 264005043060 324006189210 356406808131 388807427052 396007564590 475209077508 486009283815 594011346885 648012378420 712813616262 792015129180 972018567630 1069220424393 1188022693770 1425627232524 1782034040655 1944037135260 2138440848786 2376045387540 3564068081310 4276881697572 5346102121965 7128136162620 10692204243930 21384408487860
• Sum of all divisors σ(n): 73939741712928
• Sum of proper divisors (its aliquot sum) s(n): 52555333225068
• 21384408487860 is an abundant number, because the sum of its proper divisors (52555333225068) is greater than itself. Its abundance is 31170924737208

Bases of 21384408487860

• Binary: 100110111001011110010000100100101011110110100₂
• Hexadecimal: 0x1372F21257B4
• Base-36: 7KVV0ON90

Squares and roots of 21384408487860

• 21384408487860 squared (21384408487860²) is 457292926375658811767379600
• 21384408487860 cubed (21384408487860³) is 9778938736225976361257754366110611656000
• The square root of 21384408487860 is 4624327.8957984801
• The cube root of 21384408487860 is 27756.5667927847

Scales and comparisons

• 21,384,408,487,860 seconds is equal to 679,958 years, 2 weeks, 1 day, 20 hours, 51 minutes.
• To count from 1 to 21,384,408,487,860 would take you about one million, six hundred ninety-nine thousand, eight hundred ninety-five 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 21384408487860 cubic inches would be around 2313 feet tall.

Recreational maths with 21384408487860

• 21384408487860 backwards is 06878480448312
• The number of decimal digits it has is: 14
• The sum of 21384408487860's digits is 63
• More coming soon!