21013129745932500

Names of 21013129745932500

• Cardinal: 21013129745932500 can be written as Twenty-one quadrillion, thirteen trillion, one hundred twenty-nine billion, seven hundred forty-five million, nine hundred thirty-two thousand, five hundred.

Scientific notation

• Scientific notation: 2.10131297459325 × 10¹⁶

Factors of 21013129745932500

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 57328669

Divisors of 21013129745932500

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 5 6 9 10 11 12 15 18 20 22 25 30 33 36 44 45 50 55 60 66 75 90 99 100 110 125 132 150 165 180 198 220 225 250 275 300 330 375 396 450 495 500 550 625 660 750 825 900 990 1100 1125 1250 1375 1481 1500 1650 1875 1980 2250 2475 2500 2750 2962 3300 3750 4125 4443 4500 4950 5500 5625 5924 6875 7405 7500 8250 8886 9900 11250 12375 13329 13750 14810 16291 16500 17772 20625 22215 22500 24750 26658 27500 29620 32582 37025 41250 44430 48873 49500 53316 61875 65164 66645 74050 81455 82500 88860 97746 111075 123750 133290 146619 148100 162910 185125 195492 222150 244365 247500 266580 293238 325820 333225 370250 407275 444300 488730 555375 586476 666450 733095 740500 814550 925625 977460 1110750 1221825 1332900 1466190 1629100 1666125 1851250 2036375 2221500 2443650 2776875 2932380 3332250 3665475 3702500 4072750 4887300 5553750 6109125 6664500 7330950 8145500 8330625 10181875 11107500 12218250 14661900 16661250 18327375 20363750 24436500 30545625 33322500 36654750 40727500 57327167 61091250 73309500 91636875 114654334 122182500 171981501 183273750 229308668 286635835 343963002 366547500 515944503 573271670 630598837 687926004 859907505 1031889006 1146543340 1261197674 1433179175 1719815010 1891796511 2063778012 2522395348 2579722515 2866358350 3152994185 3439630020 3783593022 4299537525 5159445030 5675389533 5732716700 6305988370 7165895875 7567186044 8599075050 9458982555 10318890060 11350779066 12611976740 12898612575 14331791750 15764970925 17198150100 18917965110 21497687625 22701558132 25797225150 28376947665 28663583500 31529941850 35829479375 37835930220 42995375250 47294912775 51594450300 56753895330 63059883700 64493062875 71658958750 78824854625 84901534327 85990750500 94589825550 107488438125 113507790660 128986125750 141884738325 143317917500 157649709250 169803068654 189179651100 214976876250 236474563875 254704602981 257972251500 283769476650 315299418500 322465314375 339606137308 394124273125 424507671635 429953752500 472949127750 509409205962 567538953300 644930628750 709423691625 764113808943 788248546250 849015343270 933916877597 945898255500 1018818411924 1182372819375 1273523014905 1289861257500 1418847383250 1528227617886 1576497092500 1698030686540 1867833755194 2122538358175 2364745638750 2547046029810 2801750632791 2837694766500 3056455235772 3547118458125 3735667510388 3820569044715 4245076716350 4669584387985 4729491277500 5094092059620 5603501265582 6367615074525 7094236916250 7641138089430 8405251898373 8490153432700 9339168775970 10612691790875 11207002531164 12735230149050 14008753163955 14188473832500 15282276178860 16810503796746 18678337551940 19102845223575 21225383581750 23347921939925 25470460298100 28017506327910 31838075372625 33621007593492 38205690447150 42026259491865 42450767163500 46695843879850 53063458954375 56035012655820 63676150745250 70043765819775 76411380894300 84052518983730 93391687759700 95514226117875 106126917908750 116739609699625 127352301490500 140087531639550 159190376863125 168105037967460 191028452235750 210131297459325 212253835817500 233479219399250 280175063279100 318380753726250 350218829098875 382056904471500 420262594918650 466958438798500 477571130589375 583698048498125 636761507452500 700437658197750 840525189837300 955142261178750 1050656487296625 1167396096996250 1400875316395500 1751094145494375 1910284522357500 2101312974593250 2334792193992500 3502188290988750 4202625949186500 5253282436483125 7004376581977500 10506564872966250 21013129745932500
• Sum of all divisors σ(n): 72457336206807552
• Sum of proper divisors (its aliquot sum) s(n): 51444206460875052
• 21013129745932500 is an abundant number, because the sum of its proper divisors (51444206460875052) is greater than itself. Its abundance is 30431076714942552

Bases of 21013129745932500

• Binary: 1001010101001110101010010000110001000000010000011010100₂
• Hexadecimal: 0x4AA754862020D4
• Base-36: 5QWJ6JFSNH0

Squares and roots of 21013129745932500

• 21013129745932500 squared (21013129745932500²) is 441551621719393252000294556250000
• 21013129745932500 cubed (21013129745932500³) is 9278381516716517274213004496188725329953125000000
• The square root of 21013129745932500 is 144959062.3104761257
• The cube root of 21013129745932500 is 275949.9040297217

Scales and comparisons

• 21,013,129,745,932,500 seconds is equal to 668,152,528 years, 2 weeks, 1 day, 13 hours, 15 minutes.
• To count from 1 to 21,013,129,745,932,500 would take you about two billion, four million, four hundred fifty-seven thousand, five hundred eighty-four 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 21013129745932500 cubic inches would be around 22995.8 feet tall.

Recreational maths with 21013129745932500

• 21013129745932500 backwards is 00523954792131012
• The number of decimal digits it has is: 17
• The sum of 21013129745932500's digits is 54
• More coming soon!