21555375838464

Names of 21555375838464

• Cardinal: 21555375838464 can be written as Twenty-one trillion, five hundred fifty-five billion, three hundred seventy-five million, eight hundred thirty-eight thousand, four hundred sixty-four.

Scientific notation

• Scientific notation: 2.1555375838464 × 10¹³

Factors of 21555375838464

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 8448

Divisors of 21555375838464

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 24 26 29 32 39 48 52 58 61 64 78 87 96 104 116 122 128 149 156 174 183 192 208 232 244 256 298 312 348 366 377 384 416 447 464 488 596 624 696 732 754 768 793 832 894 928 976 1131 1192 1248 1392 1464 1508 1586 1664 1769 1788 1856 1937 1952 2262 2379 2384 2496 2784 2928 3016 3172 3328 3538 3576 3712 3874 3904 4321 4524 4758 4768 4992 5307 5568 5811 5856 6032 6344 7076 7152 7424 7748 7808 8191 8642 9048 9089 9516 9536 9984 10614 11136 11622 11712 12064 12688 12963 14152 14304 15496 15616 16382 17284 18096 18178 19032 19072 21228 22272 22997 23244 23424 24128 24573 25376 25926 27267 28304 28608 30992 32764 34568 36192 36356 38064 38144 42456 45994 46488 46848 48256 49146 50752 51852 54534 56173 56608 57216 61984 65528 68991 69136 72384 72712 76128 84912 91988 92976 96512 98292 101504 103704 106483 109068 112346 113216 114432 118157 123968 131056 137982 138272 144768 145424 152256 168519 169824 183976 185952 196584 203008 207408 212966 218136 224692 226432 236314 237539 247936 262112 263581 275964 276544 289536 290848 304512 319449 337038 339648 354471 367952 371904 393168 414816 425932 436272 449384 452864 472628 475078 495872 499651 524224 527162 551928 553088 581696 609024 638898 674076 679296 708942 712617 735904 743808 786336 790743 829632 851864 872544 898768 945256 950156 999302 1048448 1054324 1103856 1106176 1163392 1220459 1277796 1348152 1358592 1417884 1425234 1471808 1487616 1498953 1572672 1581486 1659264 1703728 1745088 1797536 1890512 1900312 1998604 2096896 2108648 2207712 2326784 2440918 2555592 2696304 2835768 2850468 2943616 2997906 3088007 3145344 3162972 3318528 3407456 3426553 3490176 3595072 3661377 3781024 3800624 3997208 4217296 4415424 4881836 5111184 5392608 5671536 5700936 5887232 5995812 6176014 6290688 6325944 6495463 6814912 6853106 6980352 7190144 7322754 7562048 7601248 7994416 8434592 8830848 9264021 9763672 10222368 10279659 10785216 11343072 11401872 11991624 12352028 12651888 12990926 13629824 13706212 14380288 14489879 14645508 15124096 15202496 15865967 15988832 16869184 17661696 18528042 19486389 19527344 20444736 20559318 21570432 22686144 22803744 23983248 24704056 25303776 25981852 27259648 27412424 28979758 29291016 30248192 30404992 31731934 31977664 33738368 35393311 37056084 38972778 39054688 40889472 41118636 43140864 43469637 45372288 45607488 47597901 47966496 49408112 50607552 51963704 54824848 57959516 58582032 60809984 63463868 63955328 67476736 70786622 74112168 74447999 77945556 78109376 81778944 82237272 86939274 90744576 91214976 95195802 95932992 98816224 101215104 103927408 106179933 109649696 115919032 117164064 126927736 127910656 141573244 148224336 148895998 155891112 156218752 164474544 173878548 182429952 188368427 190391604 191865984 197632448 202430208 207854816 212359866 219299392 223343997 231838064 234328128 253855472 283146488 296448672 297791996 311782224 312437504 328949088 347757096 376736854 380783208 383731968 395264896 415709632 424719732 438598784 446687994 460113043 463676128 468656256 507710944 565105281 566292976 592897344 595583992 623564448 657898176 695514192 753473708 761566416 790529792 831419264 849439464 877197568 893375988 920226086 927352256 937312512 967823987 1015421888 1130210562 1132585952 1185794688 1191167984 1247128896 1315796352 1380339129 1391028384 1506947416 1523132832 1662838528 1698878928 1786751976 1840452172 1854704512 1935647974 2030843776 2158991971 2260421124 2265171904 2371589376 2382335968 2494257792 2631592704 2760678258 2782056768 2903471961 3013894832 3046265664 3397757856 3573503952 3680904344 3709409024 3871295948 4061687552 4317983942 4520842248 4530343808 4764671936 4988515584 5521356516 5564113536 5806943922 6027789664 6092531328 6476975913 6795515712 7147007904 7361808688 7742591896 8635967884 9041684496 9060687616 9529343872 11042713032 11128227072 11613887844 12055579328 12185062656 12953951826 13591031424 14294015808 14723617376 15485183792 17271935768 18083368992 19058687744 22085426064 23227775688 24111158656 25907903652 27182062848 28066895623 28588031616 29447234752 30970367584 34543871536 36166737984 44170852128 46455551376 48222317312 51815807304 56133791246 57176063232 58894469504 61940735168 69087743072 72333475968 84200686869 88341704256 92911102752 103631614608 112267582492 117788939008 123881470336 138175486144 144666951936 168401373738 176683408512 185822205504 207263229216 224535164984 247762940672 276350972288 336802747476 353366817024 371644411008 414526458432 449070329968 552701944576 673605494952 743288822016 829052916864 898140659936 1347210989904 1658105833728 1796281319872 2694421979808 3592562639744 5388843959616 7185125279488 10777687919232 21555375838464
• Sum of all divisors σ(n): 65403813888000
• Sum of proper divisors (its aliquot sum) s(n): 43848438049536
• 21555375838464 is an abundant number, because the sum of its proper divisors (43848438049536) is greater than itself. Its abundance is 22293062211072

Bases of 21555375838464

• Binary: 100111001101011000000100001010001010100000000₂
• Hexadecimal: 0x139AC0851500
• Base-36: 7N2EI8B9C

Squares and roots of 21555375838464

• 21555375838464 squared (21555375838464²) is 464634227537437591021879296
• 21555375838464 cubed (21555375838464³) is 10015365401983866771523313748585002041344
• The square root of 21555375838464 is 4642776.7379515461
• The cube root of 21555375838464 is 27830.3413525377

Scales and comparisons

• 21,555,375,838,464 seconds is equal to 685,394 years, 14 weeks, 2 days, 15 hours, 34 minutes, 24 seconds.
• To count from 1 to 21,555,375,838,464 would take you about one million, seven hundred thirteen thousand, four hundred eighty-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 21555375838464 cubic inches would be around 2319.2 feet tall.

Recreational maths with 21555375838464

• 21555375838464 backwards is 46483857355512
• The number of decimal digits it has is: 14
• The sum of 21555375838464's digits is 66
• More coming soon!