21012769327845888

Names of 21012769327845888

• Cardinal: 21012769327845888 can be written as Twenty-one quadrillion, twelve trillion, seven hundred sixty-nine billion, three hundred twenty-seven million, eight hundred forty-five thousand, eight hundred eighty-eight.

Scientific notation

• Scientific notation: 2.1012769327845888 × 10¹⁶

Factors of 21012769327845888

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 152704

Divisors of 21012769327845888

• Number of divisors d(n): 400
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 128 144 162 192 216 256 288 313 324 384 432 512 576 626 648 768 864 939 1152 1252 1296 1536 1728 1878 2304 2504 2592 2817 3456 3756 4608 5008 5184 5634 6912 7512 8451 10016 10368 11268 11489 13824 15024 16902 20032 20736 22536 22978 25353 30048 33804 34467 40064 41472 45072 45956 50706 60096 67608 68934 80128 90144 91912 101412 103401 120192 135216 137868 140897 160256 180288 183824 202824 206802 240384 270432 275736 281794 310203 360576 367648 405648 413604 422691 480768 540864 551472 563588 620406 721152 735296 811296 827208 845382 930609 1081728 1102944 1127176 1240812 1268073 1442304 1470592 1622592 1654416 1690764 1861218 2163456 2205888 2254352 2481624 2536146 2941184 3245184 3308832 3381528 3596057 3722436 3804219 4326912 4411776 4508704 4963248 5072292 5882368 6490368 6617664 6763056 7192114 7444872 7608438 8823552 9017408 9926496 10144584 10788171 11412657 12980736 13235328 13526112 14384228 14889744 15216876 17647104 18034816 19852992 20289168 21576342 22825314 26470656 27052224 28768456 29779488 30433752 32364513 36069632 39705984 40578336 43152684 44100761 45650628 52941312 54104448 57536912 59558976 60867504 64729026 72139264 79411968 81156672 86305368 88201522 91301256 97093539 108208896 115073824 119117952 121735008 129458052 132302283 158823936 162313344 172610736 176403044 182602512 194187078 216417792 230147648 238235904 243470016 258916104 264604566 291280617 324626688 345221472 352806088 365205024 388374156 396906849 460295296 476471808 486940032 517832208 529209132 582561234 649253376 690442944 705612176 730410048 776748312 793813698 920590592 973880064 1035664416 1058418264 1165122468 1190720547 1380885888 1411224352 1460820096 1553496624 1587627396 1618765633 1841181184 1947760128 2071328832 2116836528 2330244936 2381441094 2761771776 2822448704 2921640192 3106993248 3175254792 3237531266 3572161641 4142657664 4233673056 4660489872 4762882188 4856296899 5523543552 5644897408 5843280384 6213986496 6350509584 6475062532 7144323282 8285315328 8467346112 9320979744 9525764376 9712593798 11289794816 12427972992 12701019168 12950125064 14288646564 14568890697 16570630656 16934692224 18641959488 19051528752 19425187596 22579589632 24855945984 25402038336 25900250128 28577293128 29137781394 33869384448 37283918976 38103057504 38850375192 43706672091 49711891968 50804076672 51800500256 57154586256 58275562788 67738768896 74567837952 76206115008 77700750384 87413344182 101608153344 103601000512 114309172512 116551125576 131120016273 149135675904 152412230016 155401500768 174826688364 203216306688 207202001024 228618345024 233102251152 262240032546 304824460032 310803001536 349653376728 414404002048 457236690048 466204502304 506673643129 524480065092 609648920064 621606003072 699306753456 828808004096 914473380096 932409004608 1013347286258 1048960130184 1243212006144 1398613506912 1520020929387 1828946760192 1864818009216 2026694572516 2097920260368 2486424012288 2797227013824 3040041858774 3729636018432 4053389145032 4195840520736 4560062788161 5594454027648 6080083717548 7459272036864 8106778290064 8391681041472 9120125576322 11188908055296 12160167435096 13680188364483 16213556580128 16783362082944 18240251152644 22377816110592 24320334870192 27360376728966 32427113160256 33566724165888 36480502305288 41040565093449 48640669740384 54720753457932 64854226320512 67133448331776 72961004610576 82081130186898 97281339480768 109441506915864 129708452641024 145922009221152 164162260373796 194562678961536 218883013831728 259416905282048 291844018442304 328324520747592 389125357923072 437766027663456 583688036884608 656649041495184 778250715846144 875532055326912 1167376073769216 1313298082990368 1751064110653824 2334752147538432 2626596165980736 3502128221307648 5253192331961472 7004256442615296 10506384663922944 21012769327845888
• Sum of all divisors σ(n): 62923882190673240
• Sum of proper divisors (its aliquot sum) s(n): 41911112862827352
• 21012769327845888 is an abundant number, because the sum of its proper divisors (41911112862827352) is greater than itself. Its abundance is 20898343534981464

Bases of 21012769327845888

• Binary: 1001010101001110000000010011011100010001001001000000000₂
• Hexadecimal: 0x4AA7009B889200
• Base-36: 5QWEKYS6800

Squares and roots of 21012769327845888

• 21012769327845888 squared (21012769327845888²) is 441536474825260931770670278508544
• 21012769327845888 cubed (21012769327845888³) is 9277904095333440997499170545528509411176923267072
• The square root of 21012769327845888 is 144957819.1331736613
• The cube root of 21012769327845888 is 275948.3263192417

Scales and comparisons

• 21,012,769,327,845,888 seconds is equal to 668,141,067 years, 44 weeks, 5 days, 22 hours, 4 minutes, 48 seconds.
• To count from 1 to 21,012,769,327,845,888 would take you about two billion, four million, four hundred twenty-three thousand, two 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 21012769327845888 cubic inches would be around 22995.7 feet tall.

Recreational maths with 21012769327845888

• 21012769327845888 backwards is 88854872396721012
• 21012769327845888 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21012769327845888's digits is 81
• More coming soon!