21307772908752

Names of 21307772908752

• Cardinal: 21307772908752 can be written as Twenty-one trillion, three hundred seven billion, seven hundred seventy-two million, nine hundred eight thousand, seven hundred fifty-two.

Scientific notation

• Scientific notation: 2.1307772908752 × 10¹³

Factors of 21307772908752

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1996

Divisors of 21307772908752

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 132 176 241 264 347 482 528 653 694 723 739 964 1041 1306 1388 1446 1478 1928 1959 2082 2217 2612 2651 2776 2892 2956 3817 3856 3918 4164 4434 5224 5302 5552 5784 5912 7183 7634 7836 7953 8129 8328 8868 10448 10604 11451 11568 11824 14366 15268 15672 15906 16258 16656 17736 21208 21549 22902 24387 28732 30536 31344 31812 32516 35472 42416 43098 45804 48774 57464 61072 63624 65032 83627 86196 91608 97548 114928 127248 130064 157373 167254 172392 178099 183216 195096 226591 250881 256433 314746 334508 344784 356198 390192 453182 472119 482567 501762 512866 534297 629492 669016 679773 712396 769299 906364 919897 944238 965134 1003524 1025732 1068594 1258984 1338032 1359546 1424792 1447701 1538598 1731103 1812728 1839794 1888476 1930268 1959089 2007048 2051464 2137188 2492501 2517968 2719092 2759691 2820763 2849584 2895402 3077196 3462206 3625456 3679588 3776952 3860536 3918178 4014096 4102928 4274376 4985002 5193309 5308237 5438184 5519382 5641526 5790804 5877267 6154392 6924412 7359176 7477503 7553904 7721072 7836356 8462289 8548752 9970004 10386618 10616474 10876368 11038764 11283052 11581608 11754534 12308784 13848824 14718352 14955006 15672712 15924711 16924578 19940008 20773236 21232948 22077528 22566104 23163216 23509068 27697648 29910012 31345424 31849422 33849156 39880016 41546472 42465896 44155056 45132208 47018136 54608431 59820024 61800353 63698844 67698312 83092944 84931792 94036272 109216862 116298647 119640048 123600706 127397688 135396624 163825293 167450749 185401059 218433724 232597294 247201412 254795376 327650586 334901498 348895941 370802118 436867448 465194588 494402824 502352247 600692741 655301172 669802996 679803883 697791882 741604236 873734896 930389176 988805648 1004704494 1201385482 1279285117 1310602344 1339605992 1359607766 1395583764 1483208472 1802078223 1841958239 1860778352 2009408988 2039411649 2402770964 2558570234 2621204688 2679211984 2719215532 2791167528 2966416944 3604156446 3683916478 3837855351 4018817976 4078823298 4805541928 5117140468 5438431064 5525874717 5582335056 7208312892 7367832956 7675710702 8037635952 8157646596 9611083856 10234280936 10876862128 11051749434 14416625784 14735665912 15351421404 16315293192 20468561872 22103498868 28833251568 29471331824 30702842808 32630586384 40355630509 44206997736 61405685616 80711261018 88413995472 121066891527 161422522036 242133783054 322845044072 443911935599 484267566108 645690088144 887823871198 968535132216 1331735806797 1775647742396 1937070264432 2663471613594 3551295484792 5326943227188 7102590969584 10653886454376 21307772908752
• Sum of all divisors σ(n): 60646676935680
• Sum of proper divisors (its aliquot sum) s(n): 39338904026928
• 21307772908752 is an abundant number, because the sum of its proper divisors (39338904026928) is greater than itself. Its abundance is 18031131118176

Bases of 21307772908752

• Binary: 100110110000100011010001111000011010011010000₂
• Hexadecimal: 0x13611A3C34D0
• Base-36: 7JWNLU7YO

Squares and roots of 21307772908752

• 21307772908752 squared (21307772908752²) is 454021186330945666918197504
• 21307772908752 cubed (21307772908752³) is 9674180334101967935700431769446906155008
• The square root of 21307772908752 is 4616034.3270768687
• The cube root of 21307772908752 is 27723.3699169251

Scales and comparisons

• 21,307,772,908,752 seconds is equal to 677,521 years, 13 weeks, 6 days, 23 hours, 59 minutes, 12 seconds.
• To count from 1 to 21,307,772,908,752 would take you about one million, six hundred ninety-three thousand, eight hundred three 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 21307772908752 cubic inches would be around 2310.3 feet tall.

Recreational maths with 21307772908752

• 21307772908752 backwards is 25780927770312
• The number of decimal digits it has is: 14
• The sum of 21307772908752's digits is 60
• More coming soon!