21305351318480

Names of 21305351318480

• Cardinal: 21305351318480 can be written as Twenty-one trillion, three hundred five billion, three hundred fifty-one million, three hundred eighteen thousand, four hundred eighty.

Scientific notation

• Scientific notation: 2.130535131848 × 10¹³

Factors of 21305351318480

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 356

Divisors of 21305351318480

• Number of divisors d(n): 270
• Complete list of divisors:
  1 2 4 5 8 10 16 19 20 38 40 76 80 95 152 157 173 190 304 314 346 361 380 628 692 722 760 785 865 1256 1384 1444 1520 1570 1730 1805 2512 2768 2888 2983 3140 3287 3460 3610 5776 5966 6280 6574 6920 7220 11932 12560 13148 13840 14440 14915 16435 23864 24649 26296 27161 28880 29830 29929 32870 47728 49298 52592 54322 56677 59660 59858 62453 65740 98596 108644 113354 119320 119716 123245 124906 131480 135805 149645 197192 217288 226708 238640 239432 246490 249812 262960 271610 283385 299290 312265 394384 434576 453416 468331 478864 492980 499624 516059 543220 566770 568651 598580 624530 906832 936662 985960 999248 1032118 1086440 1133540 1137302 1197160 1249060 1873324 1971920 2064236 2172880 2267080 2274604 2341655 2394320 2498120 2580295 2843255 3746648 4128472 4264277 4534160 4549208 4683310 4698853 4996240 5160590 5686510 7493296 8256944 8528554 8898289 9098416 9366620 9397706 9805121 10321180 10804369 11373020 17057108 17796578 18733240 18795412 19610242 20642360 21321385 21608738 22746040 23494265 34114216 35593156 37466480 37590824 39220484 41284720 42642770 43217476 44491445 45492080 46988530 49025605 54021845 68228432 71186312 75181648 78440968 81021263 85285540 86434952 88982890 89278207 93977060 98051210 108043690 142372624 156881936 162042526 170571080 172869904 177965780 178556414 187954120 196102420 216087380 324085052 341142160 355931560 357112828 375908240 392204840 405106315 432174760 446391035 648170104 711863120 714225656 737719921 784409680 810212630 864349520 892782070 1296340208 1428451312 1475439842 1539403997 1620425260 1696285933 1785564140 2950879684 3078807994 3240850520 3392571866 3571128280 3688599605 5901759368 6157615988 6481701040 6785143732 7142256560 7377199210 7697019985 8481429665 11803518736 12315231976 13570287464 14016678499 14754398420 15394039970 16962859330 24630463952 27140574928 28033356998 29508796840 30788079940 33925718660 56066713996 59017593680 61576159880 67851437320 70083392495 112133427992 123152319760 135702874640 140166784990 224266855984 266316891481 280333569980 532633782962 560667139960 1065267565924 1121334279920 1331584457405 2130535131848 2663168914810 4261070263696 5326337829620 10652675659240 21305351318480
• Sum of all divisors σ(n): 52920257064786
• Sum of proper divisors (its aliquot sum) s(n): 31614905746306
• 21305351318480 is an abundant number, because the sum of its proper divisors (31614905746306) is greater than itself. Its abundance is 10309554427826

Bases of 21305351318480

• Binary: 100110110000010001001111001011010101111010000₂
• Hexadecimal: 0x136089E5ABD0
• Base-36: 7JVJK34Y8

Squares and roots of 21305351318480

• 21305351318480 squared (21305351318480²) is 453917994803857474389510400
• 21305351318480 cubed (21305351318480³) is 9670882349076162630974558233721672192000
• The square root of 21305351318480 is 4615772.0176022559
• The cube root of 21305351318480 is 27722.3196400053

Scales and comparisons

• 21,305,351,318,480 seconds is equal to 677,444 years, 14 weeks, 8 hours, 1 minute, 20 seconds.
• To count from 1 to 21,305,351,318,480 would take you about one million, six hundred ninety-three thousand, six hundred ten 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 21305351318480 cubic inches would be around 2310.2 feet tall.

Recreational maths with 21305351318480

• 21305351318480 backwards is 08481315350312
• The number of decimal digits it has is: 14
• The sum of 21305351318480's digits is 44
• More coming soon!