128989016689221819

Names of 128989016689221819

• Cardinal: 128989016689221819 can be written as One hundred twenty-eight quadrillion, nine hundred eighty-nine trillion, sixteen billion, six hundred eighty-nine million, two hundred twenty-one thousand, eight hundred nineteen.

Scientific notation

• Scientific notation: 1.28989016689221819 × 10¹⁷

Factors of 128989016689221819

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 8649

Divisors of 128989016689221819

• Number of divisors d(n): 384
• Complete list of divisors:
  1 3 9 13 19 27 39 57 73 117 169 171 219 247 351 507 513 657 741 949 1387 1521 1801 1971 2223 2847 3169 3211 3571 4161 4563 5403 6669 8541 9507 9633 10713 12337 12483 16209 18031 23413 25623 28521 28899 32139 34219 37011 37449 41197 46423 48627 54093 60211 67849 70239 85563 86697 96417 102657 111033 123591 131473 139269 162279 180633 203547 210717 231337 234403 260683 304369 307971 333099 370773 394419 417807 444847 486837 535561 541899 603499 610641 632151 694011 703209 782049 782743 882037 913107 923913 1112319 1183257 1253421 1334541 1606683 1625697 1709149 1810497 1831923 2082033 2109627 2346147 2348229 2497987 2646111 2739321 3007381 3388879 3549771 4003623 4395403 4820049 4952977 5127447 5431491 5707369 5783011 6246099 6328881 6431371 7038441 7044687 7493961 7938333 8217963 9022143 10166637 10175659 11316499 11466481 12010869 13186209 14460147 14858931 15382341 16294473 17122107 17349033 19294113 21134061 22218937 22481883 23814999 27066429 30499911 30526977 32473831 33949497 34399443 39095953 39558627 44055427 44576793 46147023 51366321 52047099 57140239 57882339 64388701 66656811 67445649 74195797 81199287 83607823 91499733 91580931 97421493 101848491 103198329 108440011 117287859 118675881 122196049 132166281 133730379 147114487 154098963 156141297 171420717 173647017 193166103 199970433 215013481 222587391 250823469 274742793 292264479 305545473 309594987 325320033 351863577 366588147 396498843 416637937 422159803 441343461 469490083 514262151 579498309 599911299 645040443 667762173 742823107 752470407 826104427 837053113 876793437 964545361 975960099 1055590731 1086901699 1099764441 1189496529 1249913811 1266479409 1324030383 1408470249 1409720143 1542786453 1588548637 1738494927 1912488331 1935121329 2003286519 2228469321 2257411221 2478313281 2511159339 2795175253 2893636083 2927880297 3260705097 3299293323 3749741433 3799438227 3972091149 4225410747 4229160429 4765645911 5416293181 5737464993 5805363987 6103371079 6685407963 7434939843 7533478017 7916120803 8385525759 8680908249 8920311577 9782115291 10739357551 11249224299 11398314681 12676232241 12687481287 14296937733 15695984113 16248879543 17212394979 18310113237 18326361859 20056223889 20381014699 20651132281 22304819529 22600434051 23748362409 25156577277 26042724747 26760934731 29346345873 32218072653 36337278289 38062443861 42890813199 47087952339 48746638629 51637184937 54930339711 54979085577 61143044097 61953396843 70411811353 71245087227 75469731831 79343824027 80282804193 96654217959 102909570439 109011834867 115964050501 139611648163 141263857017 146239915887 164791019133 164937256731 183429132291 185860190529 204047793469 211235434059 213735261681 238031472081 240848412579 264953191087 289962653877 308728711317 327035504601 347892151503 387239279281 418834944489 423791571051 494811770193 550287396873 557580571587 612143380407 633706302177 714094416243 794859573261 926186133951 981106513803 1043676454509 1161717837843 1256504833467 1337824415707 1487814073027 1507532656513 1836430141221 1901118906531 2142283248729 2384578719783 2652621315097 2778558401853 3131029363527 3444391484131 3485153513529 3769514500401 4013473247121 4463442219081 4522597969539 5034110630653 5509290423663 7153736159349 7957863945291 10333174452393 10455460540587 12040419741363 13390326657243 13567793908617 15102331891959 19341582949351 23873591835873 28268467387513 30999523357179 36121259224089 40170979971729 40703381725851 45306995675877 58024748848053 65443438198489 71620775507619 84805402162539 92998570071537 135920987027631 174074246544159 196330314595467 251440578341563 254416206487617 367490076037669 522222739632477 588990943786401 754321735024689 763248619462851 1102470228113007 1766972831359203 2262965205074067 3307410684339021 4777370988489697 6788895615222201 9922232053017063 14332112965469091 42996338896407273 128989016689221819
• Sum of all divisors σ(n): 221053958060928000
• Sum of proper divisors (its aliquot sum) s(n): 92064941371706181
• 128989016689221819 is a deficient number, because the sum of its proper divisors (92064941371706181) is less than itself. Its deficiency is 36924075317515638

Bases of 128989016689221819

• Binary: 111001010010000101101001111000111101100000010000010111011₂
• Hexadecimal: 0x1CA42D3C7B020BB
• Base-36: ZA2SG7V1M0R

Squares and roots of 128989016689221819

• 128989016689221819 squared (128989016689221819²) is 16638166426452344952106923785668761
• 128989016689221819 cubed (128989016689221819³) is 2146140726859711675529054130607010277382165587896259
• The square root of 128989016689221819 is 359150409.5629320301
• The cube root of 128989016689221819 is 505263.0942128355

Scales and comparisons

• 128,989,016,689,221,819 seconds is equal to 4,101,451,741 years, 25 weeks, 4 days, 43 minutes, 39 seconds.
• To count from 1 to 128,989,016,689,221,819 would take you about twelve billion, three hundred four million, three hundred fifty-five thousand, two hundred twenty-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 128989016689221819 cubic inches would be around 42105.3 feet tall.

Recreational maths with 128989016689221819

• 128989016689221819 backwards is 918122986610989821
• The number of decimal digits it has is: 18
• The sum of 128989016689221819's digits is 90
• More coming soon!