81247078327464

Names of 81247078327464

• Cardinal: 81247078327464 can be written as Eighty-one trillion, two hundred forty-seven billion, seventy-eight million, three hundred twenty-seven thousand, four hundred sixty-four.

Scientific notation

• Scientific notation: 8.1247078327464 × 10¹³

Factors of 81247078327464

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 7088

Divisors of 81247078327464

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 43 49 56 63 72 84 86 98 126 127 129 147 168 172 196 252 254 258 294 301 344 381 387 392 441 504 508 516 588 602 677 762 774 882 889 903 1016 1032 1143 1176 1204 1354 1524 1548 1764 1778 1806 2031 2107 2286 2408 2667 2708 2709 3048 3096 3528 3556 3612 4062 4214 4572 4739 5334 5416 5418 5461 6093 6223 6229 6321 7112 7224 8001 8124 8428 9144 9478 10668 10836 10922 12186 12446 12458 12642 14217 16002 16248 16383 16856 18669 18687 18956 18963 21336 21672 21844 24372 24892 24916 25284 28434 29111 32004 32766 33173 37338 37374 37912 37926 38227 42651 43603 43688 48744 49149 49784 49832 50568 56007 56061 56868 58222 64008 65532 66346 74676 74748 75852 76454 85302 85979 87206 87333 98298 99519 112014 112122 113736 114681 116444 130809 131064 132692 149352 149496 151704 152908 170604 171958 174412 174666 196596 199038 203777 224028 224244 229362 232888 257937 261618 261999 265384 267589 267847 298557 305221 305816 341208 343916 344043 348824 349332 392427 393192 398076 407554 448056 448488 458724 515874 523236 523998 535178 535694 597114 601853 610442 611331 687832 688086 698664 773811 784854 791083 796152 802767 803541 815108 915663 917448 1031748 1046472 1047996 1070356 1071388 1194228 1203706 1220884 1222662 1376172 1426439 1547622 1569708 1582166 1605534 1607082 1630216 1805559 1831326 1833993 1874929 2063496 2095992 2140712 2142776 2373249 2388456 2407412 2408301 2410623 2441768 2445324 2746989 2752344 2852878 3095244 3139416 3164332 3211068 3214164 3611118 3662652 3667986 3697097 3749858 4212971 4217033 4279317 4746498 4814824 4816602 4821246 4890648 5416677 5493978 5537581 5624787 5705756 6190488 6328664 6422136 6428328 7119747 7222236 7325304 7335972 7394194 7499716 8425942 8434066 8558634 9492996 9633204 9642492 10833354 10987956 11075162 11091291 11249574 11411512 12638913 12651099 12837951 13124503 14239494 14444472 14671944 14788388 14999432 16612743 16851884 16868132 16874361 17117268 18985992 19266408 19284984 21666708 21975912 22150324 22182582 22499148 25277826 25302198 25675902 25879679 26249006 28478988 29519231 29576776 33225486 33273873 33703768 33736264 33748722 34016569 34234536 37916739 37953297 38763067 39373509 43333416 44300648 44365164 44998296 49838229 50555652 50604396 51351804 51759358 52498012 56957976 59038462 66450972 66547746 67497444 68033138 75833478 75906594 77526134 77639037 78747018 88557693 88730328 99676458 101111304 101208792 102049707 102703608 103518716 104996024 116289201 118076924 118120527 132901944 133095492 134994888 136066276 151666956 151813188 155052268 155278074 157494036 177115386 181157753 181332419 199352916 204099414 206634617 207037432 232578402 232917111 236153848 236241054 238115983 265673079 266190984 272132552 303333912 303626376 306149121 310104536 310556148 314988072 348867603 354230772 362315506 362664838 398705832 408198828 413269234 465156804 465834222 472482108 476231966 531346158 535563191 543473259 543997257 612298242 619903851 621112296 697735206 708461544 714347949 724631012 725329676 816397656 826538468 930313608 931668444 944964216 952463932 1062692316 1071126382 1086946518 1087994514 1224596484 1239807702 1269326933 1395470412 1428695898 1449262024 1450659352 1606689573 1630419777 1631991771 1653076936 1666811881 1859711553 1863336888 1904927864 2125384632 2142252764 2143043847 2173893036 2175989028 2449192968 2479615404 2538653866 2790940824 2857391796 3213379146 3260839554 3263983542 3333623762 3719423106 3748942337 3807980799 4284505528 4286087694 4347786072 4351978056 4820068719 4959230808 5000435643 5077307732 5714783592 6426758292 6521679108 6527967084 6667247524 7438846212 7497884674 7615961598 8572175388 8885288531 9640137438 10000871286 10154615464 11246827011 11423942397 12853516584 13043358216 13055934168 13334495048 14877692424 14995769348 15001306929 15231923196 17144350776 17770577062 19280274876 20001742572 22493654022 22847884794 23029217213 26242596359 26655865593 29991538696 30002613858 30463846392 33740481033 35541154124 38560549752 40003485144 44987308044 45695769588 46058434426 52485192718 53311731186 60005227716 67480962066 69087651639 71082308248 78727789077 79967596779 89974616088 91391539176 92116868852 104970385436 106623462372 120010455432 134961924132 138175303278 157455578154 159935193558 161204520491 184233737704 207262954917 209940770872 213246924744 236183367231 269923848264 276350606556 314911156308 319870387116 322409040982 414525909834 472366734462 483613561473 552701213112 629822312616 639740774232 644818081964 829051819668 944733468924 967227122946 1128431643437 1289636163928 1450840684419 1658103639336 1889466937848 1934454245892 2256863286874 2901681368838 3385294930311 3868908491784 4513726573748 5803362737676 6770589860622 9027453147496 10155884790933 11606725475352 13541179721244 20311769581866 27082359442488 40623539163732 81247078327464
• Sum of all divisors σ(n): 264417292339200
• Sum of proper divisors (its aliquot sum) s(n): 183170214011736
• 81247078327464 is an abundant number, because the sum of its proper divisors (183170214011736) is greater than itself. Its abundance is 101923135684272

Bases of 81247078327464

• Binary: 10010011110010011001111001111100010010010101000₂
• Hexadecimal: 0x49E4CF3E24A8
• Base-36: SSSE4P5M0

Squares and roots of 81247078327464

• 81247078327464 squared (81247078327464²) is 6601087736749070407616671296
• 81247078327464 cubed (81247078327464³) is 536319092394113784461921078846258737273344
• The square root of 81247078327464 is 9013716.1219701167
• The cube root of 81247078327464 is 43311.4361086163

Scales and comparisons

• 81,247,078,327,464 seconds is equal to 2,583,405 years, 40 weeks, 2 days, 20 hours, 44 minutes, 24 seconds.
• To count from 1 to 81,247,078,327,464 would take you about six million, four hundred fifty-eight thousand, five hundred fourteen 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 81247078327464 cubic inches would be around 3609.3 feet tall.

Recreational maths with 81247078327464

• 81247078327464 backwards is 46472387074218
• 81247078327464 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 81247078327464's digits is 63
• More coming soon!