1998728740262709

Names of 1998728740262709

• Cardinal: 1998728740262709 can be written as One quadrillion, nine hundred ninety-eight trillion, seven hundred twenty-eight billion, seven hundred forty million, two hundred sixty-two thousand, seven hundred nine.

Scientific notation

• Scientific notation: 1.998728740262709 × 10¹⁵

Factors of 1998728740262709

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 109

Divisors of 1998728740262709

• Number of divisors d(n): 576
• Complete list of divisors:
  1 3 7 9 13 19 21 39 49 57 63 67 91 117 133 147 169 171 201 247 273 361 399 441 469 507 603 637 741 819 871 931 1083 1183 1197 1273 1407 1521 1729 1911 2197 2223 2527 2613 2793 3211 3249 3283 3549 3819 4221 4489 4693 5187 5733 6097 6591 6859 7581 7839 8281 8379 8911 9633 9849 10647 11323 11457 12103 13467 14079 15379 15561 16549 17689 18291 19773 20577 22477 22743 24187 24843 26733 28899 29547 31423 32851 33969 36309 40401 41743 42237 42679 46137 48013 49647 53067 54873 58357 61009 61731 62377 67431 72561 74529 79261 80199 85291 89167 94269 98553 101907 107653 108927 115843 125229 128037 138411 144039 147199 148941 157339 159201 169309 175071 183027 187131 202293 215137 217683 219961 229957 237783 255873 267501 282807 292201 295659 300763 314431 322959 336091 347529 375687 384111 408499 427063 432117 441597 459553 472017 507927 525213 549081 554827 561393 597037 624169 645411 659883 689871 713349 758641 767619 793117 802503 810901 876603 902289 943293 968877 1008273 1030393 1042587 1108783 1159171 1185163 1225497 1281189 1324791 1378659 1416051 1505959 1523781 1620529 1664481 1791111 1872507 1936233 1979649 2045407 2069613 2105341 2201017 2275923 2379351 2432703 2629809 2706867 2796781 2829879 2859493 2989441 3024819 3091179 3216871 3326349 3477513 3555489 3676491 3843567 3909919 4087603 4135977 4179259 4369183 4517877 4861587 4993443 5310487 5373333 5551819 5617521 5714497 5974189 6136221 6316023 6603051 6827769 7138053 7212751 7298109 7761481 8114197 8390343 8578479 8968323 9273537 9650613 9862333 9979047 10432539 10541713 10666467 11343703 11729757 12262809 12537777 13107549 13553631 14414179 14584761 14737387 15069223 15407119 15931461 16655457 17143491 17922567 18408663 18948069 19577467 19809153 21066877 21638253 22518097 23284443 24342591 25171029 25735437 26904969 27369433 28613221 28951839 29586999 30790051 31625139 34031109 35189271 36788427 37173409 37613331 38862733 39322647 40001479 41819323 43242537 44212161 45207669 46221357 47794383 49966371 50828947 51430473 53138839 53767701 54330367 56799379 58732401 63200631 64914759 67554291 69036331 69853329 73027773 74288461 77664457 79405921 82108299 85839663 88760997 92370153 94875417 100899253 102093327 105484561 108575443 111520227 116588199 120004437 125457969 129727611 132636483 135623007 137042269 138664071 147468139 152486841 159416517 162991101 170398137 176197203 187384327 189601893 191586031 200292547 202662873 207108993 215530357 222865383 232993371 238217763 246324897 257518989 273869401 277110459 280010353 292735261 302697759 316453683 325726329 334560681 349764597 355802629 360013311 371971873 376373907 400270663 411126807 442404417 457460523 478249551 483254317 488973303 511194411 520019227 543651199 562152981 574758093 600877641 621326979 646591071 660776311 668596149 698980113 706294771 714653289 738391927 760028101 821608203 840031059 878205783 908093277 949361049 965749993 977178987 1009637941 1032276973 1067407887 1115915619 1200811989 1233380421 1311690289 1327213251 1411480759 1449762951 1508712499 1560057681 1630953597 1686458943 1724274279 1802632923 1917085807 1939773213 1982328933 2062933417 2118884313 2215175781 2280084303 2464824609 2490618403 2520093177 2603803111 2634617349 2801894641 2897249979 3028913823 3096830919 3202223661 3347746857 3560302213 3602435967 3640134589 3805558393 3935070867 4234442277 4349288853 4526137497 4625434177 4680173043 4892860791 5203518619 5320196707 5751257421 5946986799 6188800251 6356652939 6645527343 6760249951 6840252909 7067465587 7471855209 7811409333 8405683923 8691749937 9086741469 9181832023 9290492757 9880365313 10680906639 10920403767 11416675179 11805212601 12554749909 12703326831 13419600649 13578412491 13876302531 14440533919 15610555857 15960590121 17253772263 18349249867 18566400753 19613262487 20280749853 21202396761 22415565627 23434227999 24922115491 25217051769 26818134421 27545496069 29641095939 32042719917 32378039239 32761211301 34250025537 36424630333 37664249727 40258801947 41628907593 43321601757 46831667571 47321749657 47881770363 49472259109 55047749601 58839787461 60842249559 63607190283 67645742047 69162557191 74766346473 80454403263 82636488207 87883249363 88923287817 97134117717 101083737433 109273890999 112992749181 120776405841 128444749069 129964805271 141965248971 148416777327 165143248803 174454808437 176519362383 187726940947 202937226141 207487671573 224299039419 238540248271 241363209789 254972412331 263649748089 291402353151 303251212299 327821672997 348635747473 385334247207 425895746913 445250331981 473520194329 523364425311 563180822841 608811678423 615182745541 622463014719 715620744813 764917236993 790949244267 899113243483 909753636897 1045907242419 1156002741621 1314088586629 1420560582987 1570093275933 1669781737897 1689542468523 1845548236623 2146862234439 2294751710979 2440450232311 2697339730449 3137721727257 3314641360303 3942265759887 4261681748961 4532264717149 5009345213691 5536644709869 7321350696933 8092019191347 9943924080909 11688472165279 11826797279661 13596794151447 15028035641073 17083151626177 21964052090799 29831772242727 31725853020043 35065416495837 40790382454341 51249454878531 95177559060129 105196249487511 153748364635593 222080971140301 285532677180387 666242913420903 1998728740262709
• Sum of all divisors σ(n): 3898423218144000
• Sum of proper divisors (its aliquot sum) s(n): 1899694477881291
• 1998728740262709 is a deficient number, because the sum of its proper divisors (1899694477881291) is less than itself. Its deficiency is 99034262381418

Bases of 1998728740262709

• Binary: 111000110011101010101001100100100001101001100110101₂
• Hexadecimal: 0x719D54C90D335
• Base-36: JOHNB2B039

Squares and roots of 1998728740262709

• 1998728740262709 squared (1998728740262709²) is 3994916577152155657182336018681
• 1998728740262709 cubed (1998728740262709³) is 7984754577705941404030988081417605905071666829
• The square root of 1998728740262709 is 44707144.1747592395
• The cube root of 1998728740262709 is 125965.4045497739

Scales and comparisons

• 1,998,728,740,262,709 seconds is equal to 63,553,391 years, 24 weeks, 1 day, 18 hours, 45 minutes, 9 seconds.
• To count from 1 to 1,998,728,740,262,709 would take you about one hundred ninety million, six hundred sixty thousand, one hundred seventy-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 1998728740262709 cubic inches would be around 10497.1 feet tall.

Recreational maths with 1998728740262709

• 1998728740262709 backwards is 9072620478278991
• The number of decimal digits it has is: 16
• The sum of 1998728740262709's digits is 81
• More coming soon!