1820428676364390625

Names of 1820428676364390625

• Cardinal: 1820428676364390625 can be written as One quintillion, eight hundred twenty quadrillion, four hundred twenty-eight trillion, six hundred seventy-six billion, three hundred sixty-four million, three hundred ninety thousand, six hundred twenty-five.

Scientific notation

• Scientific notation: 1.820428676364390625 × 10¹⁸

Factors of 1820428676364390625

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 35

Divisors of 1820428676364390625

• Number of divisors d(n): 343
• Complete list of divisors:
  1 5 13 17 25 65 85 125 169 221 289 325 425 625 845 1105 1445 1625 2125 2197 2873 3125 3757 4225 4913 5525 7225 8125 10625 10985 14365 15625 18785 21125 24565 27625 28561 36125 37349 40625 48841 53125 54925 63869 71825 83521 93925 105625 122825 138125 142805 180625 186745 203125 244205 265625 274625 319345 359125 371293 417605 469625 485537 528125 614125 634933 690625 714025 830297 903125 933725 1085773 1221025 1373125 1419857 1596725 1795625 1856465 2088025 2348125 2427685 2640625 3070625 3174665 3453125 3570125 4151485 4515625 4668625 4826809 5428865 6105125 6311981 6865625 7099285 7983625 8254129 8978125 9282325 10440125 10793861 11740625 12138425 14115049 15353125 15873325 17850625 18458141 20757425 23343125 24134045 24137569 27144325 30525625 31559905 34328125 35496425 39918125 41270645 44890625 46411625 52200625 53969305 58703125 60692125 70575245 76765625 79366625 82055753 89253125 92290705 103787125 107303677 116715625 120670225 120687845 135721625 140320193 152628125 157799525 177482125 183495637 199590625 206353225 232058125 239955833 261003125 269846525 303460625 313788397 352876225 396833125 410278765 446265625 461453525 518935625 536518385 583578125 603351125 603439225 678608125 701600965 763140625 788997625 887410625 917478185 997953125 1031766125 1160290625 1199779165 1305015625 1349232625 1394947801 1517303125 1568941985 1764381125 1824162509 1984165625 2051393825 2307267625 2385443281 2594678125 2682591925 3016755625 3017196125 3119425829 3393040625 3508004825 3944988125 4079249161 4437053125 4587390925 5158830625 5801453125 5998895825 6746163125 6974739005 7586515625 7844709925 8821905625 9120812545 9920828125 10256969125 11536338125 11927216405 12973390625 13412959625 15083778125 15085980625 15597129145 16965203125 17540024125 19724940625 20396245805 22185265625 22936954625 23714112617 25794153125 29994479125 31010762653 33730815625 34873695025 39223549625 40552535777 44109528125 45604062725 51284845625 53030239093 57681690625 59636082025 67064798125 75418890625 75429903125 77985645725 87700120625 98624703125 101981229025 114684773125 118570563085 128970765625 149972395625 155053813265 168654078125 174368475125 196117748125 202762678885 220547640625 228020313625 256424228125 265151195465 288408453125 298180410125 335323990625 377149515625 389928228625 403139914489 438500603125 509906145125 527182965101 573423865625 592852815425 689393108209 749861978125 775269066325 871842375625 980588740625 1013813394425 1140101568125 1282121140625 1325755977325 1490902050625 1676619953125 1949641143125 2015699572445 2192503015625 2549530725625 2635914825505 2867119328125 2964264077125 3446965541045 3749309890625 3876345331625 4359211878125 4902943703125 5069066972125 5700507840625 6628779886625 6853378546313 7454510253125 8962110406717 9748205715625 10078497862225 12747653628125 13179574127525 14821320385625 17234827705225 19381726658125 21796059390625 25345334860625 28502539203125 33143899433125 34266892731565 37272551265625 44810552033585 48741028578125 50392489311125 63738268140625 65897870637625 74106601928125 86174138526125 96908633290625 116507435287321 126726674303125 165719497165625 171334463657825 224052760167925 251962446555625 329489353188125 370533009640625 430870692630625 484543166453125 582537176436605 633633371515625 828597485828125 856672318289125 1120263800839625 1259812232778125 1647446765940625 2154353463153125 2912685882183025 4283361591445625 5601319004198125 6299061163890625 8237233829703125 10771767315765625 14563429410915125 21416807957228125 28006595020990625 72817147054575625 107084039786140625 140032975104953125 364085735272878125 1820428676364390625
• Sum of all divisors σ(n): 2619202997760403111
• Sum of proper divisors (its aliquot sum) s(n): 798774321396012486
• 1820428676364390625 is a deficient number, because the sum of its proper divisors (798774321396012486) is less than itself. Its deficiency is 1021654354968378139

Bases of 1820428676364390625

• Binary: 1100101000011011101100011110001110001101000100101000011100001₂
• Hexadecimal: 0x1943763C71A250E1
• Base-36: DTWO3WRBSL41

Squares and roots of 1820428676364390625

• 1820428676364390625 squared (1820428676364390625²) is 3313960565729807262163905527587890625
• 1820428676364390625 cubed (1820428676364390625³) is 6032828846195300169767861483965349591740268707275390625
• 1820428676364390625 is a perfect square number. Its square root is 1349232625
• 1820428676364390625 is a perfect cube number. Its cube root is 1221025
• Being both a perfect square and a perfect cube, 1820428676364390625 is also a perfect sixth number.

Scales and comparisons

• 1,820,428,676,364,390,625 seconds is equal to 57,884,000,952 years, 40 weeks, 2 days, 1 hour, 50 minutes, 25 seconds.
• To count from 1 to 1,820,428,676,364,390,625 would take you about two hundred two billion, five hundred ninety-four million, three thousand, three hundred thirty-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 1820428676364390625 cubic inches would be around 101752.1 feet tall.

Recreational maths with 1820428676364390625

• 1820428676364390625 backwards is 5260934636768240281
• The number of decimal digits it has is: 19
• The sum of 1820428676364390625's digits is 82
• More coming soon!