81627816594853152

Names of 81627816594853152

• Cardinal: 81627816594853152 can be written as Eighty-one quadrillion, six hundred twenty-seven trillion, eight hundred sixteen billion, five hundred ninety-four million, eight hundred fifty-three thousand, one hundred fifty-two.

Scientific notation

• Scientific notation: 8.1627816594853152 × 10¹⁶

Factors of 81627816594853152

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 127

Divisors of 81627816594853152

• Number of divisors d(n): 378
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 48 52 72 78 96 104 109 117 144 156 169 208 218 234 288 312 327 338 416 436 468 507 624 654 676 872 936 981 1014 1248 1308 1352 1417 1521 1744 1872 1962 2028 2616 2704 2834 3042 3488 3744 3924 4056 4251 5232 5408 5668 6084 7848 8112 8502 10464 11336 11881 12168 12753 15696 16224 17004 18421 22672 23762 24336 25506 31392 34008 35643 36842 45344 47524 48672 51012 55263 68016 71286 73684 95048 102024 106929 110526 136032 142572 147368 154453 165789 190096 204048 213858 221052 285144 294736 308906 331578 380192 408096 427716 442104 463359 570288 589472 617812 663156 855432 884208 926718 1140576 1235624 1295029 1326312 1390077 1710864 1768416 1853436 2007889 2471248 2590058 2652624 2780154 3421728 3706872 3885087 4015778 4942496 5180116 5305248 5560308 6023667 7413744 7770174 8031556 10360232 11120616 11655261 12047334 14827488 15540348 16063112 16835377 18071001 20720464 22241232 23310522 24094668 31080696 32126224 33670754 36142002 41440928 44482464 46621044 48189336 50506131 62161392 64252448 67341508 72284004 93242088 96378672 101012262 124322784 134683016 141158161 144568008 151518393 186484176 192757344 202024524 218859901 269366032 282316322 289136016 303036786 372968352 404049048 423474483 437719802 538732064 564632644 578272032 606073572 656579703 808098096 846948966 875439604 1129265288 1212147144 1270423449 1313159406 1616196192 1693897932 1750879208 1835056093 1969739109 2258530576 2424294288 2540846898 2626318812 3387795864 3501758416 3670112186 3939478218 4517061152 4848588576 5081693796 5252637624 5505168279 6775591728 7003516832 7340224372 7878956436 10163387592 10505275248 11010336558 13551183456 14680448744 15386239549 15757912872 16515504837 20326775184 21010550496 22020673116 23855729209 29360897488 30772479098 31515825744 33031009674 40653550368 44041346232 46158718647 47711458418 58721794976 61544958196 63031651488 66062019348 71567187627 88082692464 92317437294 95422916836 123089916392 132124038696 138476155941 143134375254 176165384928 184634874588 190845833672 200021114137 214701562881 246179832784 264248077392 276952311882 286268750508 369269749176 381691667344 400042228274 429403125762 492359665568 528496154784 553904623764 572537501016 600063342411 738539498352 763383334688 800084456548 858806251524 1107809247528 1145075002032 1200126684822 1477078996704 1600168913096 1677100110841 1717612503048 1800190027233 2215618495056 2290150004064 2400253369644 2600274483781 3200337826192 3354200221682 3435225006096 3600380054466 4431236990112 4800506739288 5031300332523 5200548967562 6400675652384 6708400443364 6870450012192 7200760108932 7800823451343 9601013478576 10062600665046 10401097935124 13416800886728 14401520217864 15093900997569 15601646902686 19202026957152 20125201330092 20802195870248 21802301440933 23402470354029 26833601773456 28803040435728 30187801995138 31203293805372 40250402660184 41604391740496 43604602881866 46804940708058 53667203546912 57606080871456 60375603990276 62406587610744 65406904322799 80500805320368 83208783480992 87209205763732 93609881416116 120751207980552 124813175221488 130813808645598 161001610640736 174418411527464 187219762832232 196220712968397 241502415961104 249626350442976 261627617291196 283429918732129 348836823054928 374439525664464 392441425936794 483004831922208 523255234582392 566859837464258 697673646109856 748879051328928 784882851873588 850289756196387 1046510469164784 1133719674928516 1569765703747176 1700579512392774 2093020938329568 2267439349857032 2550869268589161 3139531407494352 3401159024785548 4534878699714064 5101738537178322 6279062814988704 6802318049571096 9069757399428128 10203477074356644 13604636099142192 20406954148713288 27209272198284384 40813908297426576 81627816594853152
• Sum of all divisors σ(n): 253686128991334767
• Sum of proper divisors (its aliquot sum) s(n): 172058312396481615
• 81627816594853152 is an abundant number, because the sum of its proper divisors (172058312396481615) is greater than itself. Its abundance is 90430495801628463

Bases of 81627816594853152

• Binary: 100100010000000000001000100010011111011010100110100100000₂
• Hexadecimal: 0x122001113ED4D20
• Base-36: MBQN99CT1K0

Squares and roots of 81627816594853152

• 81627816594853152 squared (81627816594853152²) is 6663100442042983630802336444335104
• 81627816594853152 cubed (81627816594853152³) is 543894340836169631948007183915454234530073158647808
• The square root of 81627816594853152 is 285705821.7727688377
• The cube root of 81627816594853152 is 433789.8573408773
• Being both a perfect square and a perfect cube, 81627816594853152 is also a perfect sixth number.

Scales and comparisons

• 81,627,816,594,853,152 seconds is equal to 2,595,512,076 years, 15 weeks, 4 days, 18 hours, 19 minutes, 12 seconds.
• To count from 1 to 81,627,816,594,853,152 would take you about seven billion, seven hundred eighty-six million, five hundred thirty-six thousand, two hundred twenty-eight 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 81627816594853152 cubic inches would be around 36149.2 feet tall.

Recreational maths with 81627816594853152

• 81627816594853152 backwards is 25135849561872618
• The number of decimal digits it has is: 17
• The sum of 81627816594853152's digits is 81
• More coming soon!