21018010976673912

Names of 21018010976673912

• Cardinal: 21018010976673912 can be written as Twenty-one quadrillion, eighteen trillion, ten billion, nine hundred seventy-six million, six hundred seventy-three thousand, nine hundred twelve.

Scientific notation

• Scientific notation: 2.1018010976673912 × 10¹⁶

Factors of 21018010976673912

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 646

Divisors of 21018010976673912

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 36 53 72 106 159 167 212 318 334 421 424 477 501 636 668 842 954 1002 1263 1272 1336 1503 1684 1908 2004 2526 2809 3006 3368 3789 3816 4008 5052 5618 6012 7578 8427 8851 10104 11236 12024 15156 16854 17702 22313 22472 25281 26553 27889 30312 33708 35404 44626 50562 53106 55778 66939 67416 70307 70808 79659 83667 89252 101124 106212 111556 133878 140614 148877 159318 167334 178504 200817 202248 210921 212424 223112 251001 267756 281228 297754 318636 334668 401634 421842 446631 469103 502002 535512 562456 595508 632763 637272 669336 803268 843684 893262 938206 1004004 1182589 1191016 1265526 1339893 1407309 1478117 1606536 1687368 1786524 1876412 2008008 2365178 2531052 2679786 2814618 2956234 3547767 3573048 3726271 3752824 4221927 4434351 4657463 4730356 5062104 5359572 5629236 5912468 7095534 7452542 8443854 8868702 9314926 9460712 10643301 10719144 11178813 11258472 11741269 11824936 13303053 13972389 14191068 14905084 16887708 17737404 18629852 21286602 22357626 23482538 24862459 26606106 27944778 28382136 29810168 33536439 33775416 35223807 35474808 37259704 41917167 42573204 44715252 46965076 49724918 53212212 55889556 62677217 67072878 70447614 74587377 78340201 83834334 85146408 89430504 93930152 99449836 105671421 106424424 111779112 125354434 134145756 140895228 149174754 156680402 167668668 188031651 197492363 198899672 211342842 223762131 235020603 246845539 250708868 268291512 281790456 298349508 313360804 335337336 376063302 394984726 422685684 447524262 470041206 493691078 501417736 564094953 592477089 596699016 622287257 626721608 705061809 740536617 752126604 789969452 845371368 895048524 940082412 987382156 1128189906 1184954178 1244574514 1410123618 1481073234 1504253208 1579938904 1777431267 1790097048 1866861771 1880164824 1960791923 1974764312 2221609851 2256379812 2369908356 2489149028 2820247236 2962146468 3554862534 3733723542 3921583846 4152030653 4443219702 4512759624 4739816712 4978298056 5600585313 5640494472 5882375769 5924292936 7109725068 7467447084 7843167692 8304061306 8886439404 10467095239 11201170626 11764751538 12456091959 13082813567 14219450136 14934894168 15686335384 16608122612 17647127307 17772878808 20934190478 22402341252 23529503076 24912183918 26165627134 31401285717 32981224621 33216245224 35294254614 37368275877 39248440701 41868380956 44804682504 47059006152 49824367836 52331254268 62802571434 65962449242 70588509228 74736551754 78496881402 83736761912 94203857151 98943673863 99648735672 103921971919 104662508536 117745322103 125605142868 131924898484 141177018456 149473103508 156993762804 188407714302 197887347726 207843943838 235490644206 251210285736 263849796968 296831021589 298946207016 311765915757 313987525608 376815428604 395774695452 415687887676 470981288412 593662043178 623531831514 693389119051 753630857208 791549390904 831375775352 935297747271 941962576824 1187324086356 1247063663028 1386778238102 1748004904913 1870595494542 2080167357153 2374648172712 2494127326056 2773556476204 3496009809826 3741190989084 4160334714306 5244014714739 5507864511707 5547112952408 6240502071459 6992019619652 7482381978168 8320669428612 10488029429478 11015729023414 12481004142918 13984039239304 15732044144217 16523593535121 16641338857224 20976058858956 22031458046828 24962008285836 31464088288434 33047187070242 41952117717912 44062916093656 49570780605363 49924016571672 62928176576868 66094374140484 99141561210726 125856353153736 132188748280968 198283122421452 291916819120471 396566244842904 583833638240942 875750457361413 1167667276481884 1751500914722826 2335334552963768 2627251372084239 3503001829445652 5254502744168478 7006003658891304 10509005488336956 21018010976673912
• Sum of all divisors σ(n): 58506610426992000
• Sum of proper divisors (its aliquot sum) s(n): 37488599450318088
• 21018010976673912 is an abundant number, because the sum of its proper divisors (37488599450318088) is greater than itself. Its abundance is 16470588473644176

Bases of 21018010976673912

• Binary: 1001010101010111100010100000110001001100110000001111000₂
• Hexadecimal: 0x4AABC506266078
• Base-36: 5QY9GY2JSE0

Squares and roots of 21018010976673912

• 21018010976673912 squared (21018010976673912²) is 441756785415585052202170381383744
• 21018010976673912 cubed (21018010976673912³) is 9284848964884948547419737800645306506033225686528
• The square root of 21018010976673912 is 144975897.9164257909
• The cube root of 21018010976673912 is 275971.2695741243

Scales and comparisons

• 21,018,010,976,673,912 seconds is equal to 668,307,736 years, 4 weeks, 1 day, 17 hours, 25 minutes, 12 seconds.
• To count from 1 to 21,018,010,976,673,912 would take you about two billion, four million, nine hundred twenty-three thousand, two hundred 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 21018010976673912 cubic inches would be around 22997.6 feet tall.

Recreational maths with 21018010976673912

• 21018010976673912 backwards is 21937667901081012
• The number of decimal digits it has is: 17
• The sum of 21018010976673912's digits is 63
• More coming soon!