1991311412520924

Names of 1991311412520924

• Cardinal: 1991311412520924 can be written as One quadrillion, nine hundred ninety-one trillion, three hundred eleven billion, four hundred twelve million, five hundred twenty thousand, nine hundred twenty-four.

Scientific notation

• Scientific notation: 1.991311412520924 × 10¹⁵

Factors of 1991311412520924

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 360

Divisors of 1991311412520924

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 6 9 12 13 18 26 27 31 36 39 52 54 62 78 81 93 108 117 124 156 162 169 186 234 243 279 311 324 338 351 372 403 468 486 507 558 622 676 702 806 837 933 972 1014 1053 1116 1209 1244 1404 1521 1612 1674 1866 2028 2106 2197 2418 2511 2799 3042 3159 3348 3627 3732 4043 4212 4394 4563 4836 5022 5239 5598 6084 6318 6591 7254 7533 8086 8397 8788 9126 9641 10044 10478 10881 11196 12129 12636 13182 13689 14508 15066 15717 16172 16794 18252 19282 19773 20956 21762 24258 25191 26364 27378 28923 30132 31434 32643 33588 36387 38564 39546 41067 43524 47151 48516 50382 52559 54756 57846 59319 62868 65286 68107 72774 75573 79092 82134 86769 94302 96721 97929 100764 105118 109161 115692 118638 125333 130572 136214 141453 145548 151146 157677 164268 173538 177957 188604 193442 195858 204321 210236 218322 237276 250666 260307 272428 282906 290163 302292 315354 327483 347076 355914 375999 386884 391716 408642 424359 436644 473031 501332 520614 533871 565812 580326 612963 630708 654966 683267 711828 751998 780921 817284 848718 870489 946062 982449 1041228 1067742 1127997 1160652 1225926 1257373 1273077 1309932 1366534 1419093 1503996 1561842 1629329 1697436 1740978 1838889 1892124 1964898 2049801 2135484 2255994 2342763 2451852 2514746 2546154 2611467 2733068 2838186 2998351 3123684 3258658 3383991 3481956 3677778 3772119 3929796 4099602 4257279 4511988 4685526 4887987 5029492 5092308 5222934 5516667 5676372 5996702 6149403 6517316 6767982 7355556 7544238 7834401 8199204 8514558 8995053 9371052 9775974 10151973 10445868 11033334 11316357 11993404 12298806 12771837 13535964 14663961 15088476 15668802 16345849 16550001 17029116 17990106 18448209 19551948 20303946 21181277 22066668 22632714 23503203 24597612 25543674 26985159 29327922 30080231 30455919 31337604 32691698 33100002 33949071 35980212 36896418 38978563 40607892 42362554 43991883 45265428 47006406 49037547 51087348 53970318 55344627 58655844 60160462 60911838 63543831 65383396 66200004 67898142 73792836 77957126 80955477 84725108 87983766 90240693 94012812 98075094 101847213 107940636 110689254 116935689 120320924 121823676 127087662 131975649 135796284 147112641 155914252 161910954 166033881 175967532 180481386 190631493 196150188 203694426 212496037 221378508 233871378 242866431 254175324 263951298 270722079 294225282 305541639 323821908 332067762 350807067 360962772 381262986 391043003 395926947 407388852 424992074 441337923 467742756 485732862 506721319 527902596 541444158 571894479 588450564 611083278 637488111 664135524 701614134 728599293 762525972 782086006 791853894 812166237 849984148 882675846 932487161 971465724 1013442638 1052421201 1082888316 1143788958 1173129009 1222166556 1274976222 1324013769 1403228268 1457198586 1520163957 1564172012 1583707788 1624332474 1715683437 1765351692 1864974322 1912464333 2026885276 2104842402 2287577916 2346258018 2436498711 2549952444 2648027538 2797461483 2914397172 3040327914 3157263603 3248664948 3431366874 3519387027 3729948644 3824928666 3972041307 4209684804 4560491871 4692516036 4872997422 5083559039 5147050311 5296055076 5594922966 5737392999 6080655828 6314527206 6587377147 6862733748 7038774054 7309496133 7649857332 7944082614 8392384449 9120983742 9471790809 9745994844 10167118078 10294100622 10558161081 11189845932 11474785998 12122333093 12629054412 13174754294 13681475613 14077548108 14618992266 15250677117 15888165228 16784768898 17212178997 18241967484 18943581618 19762131441 20334236156 20588201244 21116322162 22949571996 24244666186 25177153347 26349508588 27362951226 29237984532 30501354234 31674483243 33569537796 34424357994 36366999279 37887163236 39524262882 41044426839 42232644324 45752031351 48489332372 50354306694 51636536991 54725902452 59286394323 61002708468 63348966486 66086267507 68848715988 72733998558 75531460041 79048525764 82088853678 91504062702 95023449729 100708613388 103273073982 109100997837 118572788646 123133280517 126697932972 132172535014 137256094053 145467997116 151062920082 157590330209 164177707356 177859182969 183008125404 190046899458 198258802521 206546147964 218201995674 226594380123 237145577292 246266561034 264345070028 274512188106 302125840164 315180660418 327302993511 355718365938 380093798916 396517605042 411768282159 436403991348 453188760246 472770990627 492533122068 533577548907 549024376212 594776407563 630361320836 654605987022 711436731876 793035210084 823536564318 906377520492 945541981254 981908980533 1067155097814 1189552815126 1235304846477 1309211974044 1418312971881 1600732646721 1647073128636 1784329222689 1891083962508 1963817961066 2048674292717 2134310195628 2379105630252 2470609692954 2836625943762 2945726941599 3201465293442 3568658445378 3927635922132 4097348585434 4254938915643 4941219385908 5352987668067 5673251887524 5891453883198 6146022878151 6402930586884 7137316890756 8194697170868 8509877831286 10705975336134 11782907766396 12292045756302 12764816746929 16058963004201 17019755662572 18438068634453 21411950672268 24584091512604 25529633493858 32117926008402 36876137268906 38294450240787 51059266987716 55314205903359 64235852016804 73752274537812 76588900481574 110628411806718 153177800963148 165942617710077 221256823613436 331885235420154 497827853130231 663770470840308 995655706260462 1991311412520924
• Sum of all divisors σ(n): 5856069486059520
• Sum of proper divisors (its aliquot sum) s(n): 3864758073538596
• 1991311412520924 is an abundant number, because the sum of its proper divisors (3864758073538596) is greater than itself. Its abundance is 1873446661017672

Bases of 1991311412520924

• Binary: 111000100110001011001010001011000010110011111011100₂
• Hexadecimal: 0x71316516167DC
• Base-36: JLUZU0VLR0

Squares and roots of 1991311412520924

• 1991311412520924 squared (1991311412520924²) is 3965321141636077556240737813776
• 1991311412520924 cubed (1991311412520924³) is 7896189243650420539044885092779229716615449024
• The square root of 1991311412520924 is 44624112.4563942897
• The cube root of 1991311412520924 is 125809.3912417895

Scales and comparisons

• 1,991,311,412,520,924 seconds is equal to 63,317,543 years, 20 weeks, 1 day, 1 hour, 35 minutes, 24 seconds.
• To count from 1 to 1,991,311,412,520,924 would take you about one hundred eighty-nine million, nine hundred fifty-two thousand, six hundred thirty 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 1991311412520924 cubic inches would be around 10484.1 feet tall.

Recreational maths with 1991311412520924

• 1991311412520924 backwards is 4290252141131991
• 1991311412520924 is a Harshad number.
• The number of decimal digits it has is: 16
• The sum of 1991311412520924's digits is 54
• More coming soon!