19991335749021

Names of 19991335749021

• Cardinal: 19991335749021 can be written as Nineteen trillion, nine hundred ninety-one billion, three hundred thirty-five million, seven hundred forty-nine thousand and twenty-one.

Scientific notation

• Scientific notation: 1.9991335749021 × 10¹³

Factors of 19991335749021

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 914

Divisors of 19991335749021

• Number of divisors d(n): 576
• Complete list of divisors:
  1 3 7 9 13 17 21 23 39 51 63 69 79 89 91 117 119 153 161 169 207 221 237 267 273 299 357 391 483 507 553 623 663 683 711 801 819 897 1027 1071 1157 1173 1183 1343 1449 1513 1521 1547 1659 1817 1869 1989 2047 2049 2093 2691 2737 2873 3081 3471 3519 3549 3887 4029 4539 4641 4781 4977 5083 5451 5607 6141 6147 6279 7031 7189 8099 8211 8619 8879 9243 9401 10413 10591 10647 11611 11661 12087 12719 13351 13617 13923 14329 14343 15041 15249 15709 16353 17459 18423 18837 19669 20111 21093 21567 23621 24297 24633 25857 26611 26637 27209 28203 30889 31773 34799 34833 34983 35581 38157 40053 42987 43029 45123 45747 47127 49217 52377 53957 59007 60333 60787 62153 63279 64701 66079 70863 72891 79833 79911 81277 81627 84609 91403 92667 93457 95319 104397 104499 105287 106743 109963 114471 115427 119527 120159 122213 128961 135369 137683 141381 147651 150943 157131 161713 161871 165347 177021 180999 182361 186277 186459 198237 204217 212589 216223 226967 239499 243593 243831 244881 255697 267053 274209 278001 280371 307073 313191 315861 320229 329889 345943 346281 358581 366639 377699 401557 413049 425509 442953 452387 452829 462553 485139 485613 496041 547083 558831 559377 594711 612651 639821 648669 680901 701441 730779 731493 767091 790231 801159 807989 822627 836689 841113 917269 921219 947583 989667 1033379 1037829 1038843 1056601 1075743 1099917 1131991 1133097 1188239 1204671 1239147 1241011 1276527 1357161 1358487 1387659 1398101 1429519 1455417 1488123 1553851 1588769 1676493 1789879 1837953 1869371 1919463 1946007 1962259 2042703 2102269 2104323 2149511 2192337 2301273 2370693 2403477 2421601 2423967 2510067 2654821 2749121 2751807 2763657 2810899 3100137 3113487 3166709 3169803 3395973 3399291 3471689 3564717 3614013 3723033 3829581 4071483 4162977 4194303 4288557 4661553 4766307 4802173 4910087 5220241 5369637 5531617 5608113 5758389 5881031 5886777 6306807 6312969 6420883 6448533 7112079 7233653 7264803 7271901 7530201 7964463 8247363 8255421 8317673 8432697 8687077 9118733 9300411 9500127 9509409 9786707 10187919 10273003 10415067 10694151 10876957 11169099 11924497 12582909 12865671 13433927 13735813 13984659 14298921 14406519 14715883 14730261 15660723 16108911 16133143 16594851 16824339 17643093 17660331 18175313 18583747 18920421 19243847 19262649 19345599 20200063 21097187 21700959 21794409 23767717 23893389 24301823 24742089 24953019 25298091 26061231 27329497 27356199 28500381 29360121 30819009 31245201 32630871 33615211 35738573 35773491 36541687 40301781 41167217 41207439 43219557 44147649 44190783 45131957 46982169 48399429 49784553 52929279 54525939 55751241 57731541 57787947 60600189 62428249 63291561 63831131 65102877 71303151 71911021 72905469 74859057 78183693 81636941 81988491 82068597 83471479 88080363 92457027 94037489 97892613 100845633 107215719 107320473 109625061 110449979 112932001 120905343 123501651 123622317 127227191 132442947 135395871 141400441 145198287 147680309 155018461 163577817 166374019 167253723 173194623 174641051 181800567 187284747 189874683 191306479 191493393 209730859 213909453 215733063 218716407 236279069 244910823 245965473 250170011 250414437 274263431 282112467 302536899 308980321 315923699 321647157 328875183 331349937 338796003 370504953 381681573 406187613 424201323 436997743 443040927 464601449 465055383 499122057 523923153 561854241 571458587 573919437 574480179 629192577 647199189 708837207 734732469 750510033 751243311 773149853 811567237 822790293 846337401 926940963 947771097 994049811 1016388009 1061280233 1085129227 1145044719 1222487357 1272603969 1310993229 1329122781 1393804347 1395166149 1435849727 1468116013 1497366171 1571769459 1653953483 1714375761 1721758311 1877649643 1887577731 1919844017 2126511621 2162862247 2251530099 2319449559 2434701711 2468370879 2780822889 2843313291 3183840699 3252210143 3255387681 3565424603 3667462071 3932979687 4016744173 4181413041 4307549181 4404348039 4961860449 5143127283 5632948929 5680970659 5759532051 6488586741 6958348677 7304105133 7428961631 9551522097 9756630429 9766163043 10050948089 10696273809 11002386213 12050232519 12922647543 13143547501 13213044117 13796643029 14885581347 16898846787 17042911977 17278596153 18666046451 19465760223 22286884893 24409445359 24957972221 28117209211 29269891287 30152844267 32088821427 36150697557 39430642503 41389929087 51128735931 55998139353 66860654679 73228336077 74873916663 84351627633 90458532801 96576501203 118291927509 124169787261 130662325157 167994418059 170866117513 219685008231 224621749989 253054882899 289729503609 317322789667 391986975471 512598352539 869188510827 951968369001 1175960926413 1537795057617 2221259527669 2855905107003 6663778583007 19991335749021
• Sum of all divisors σ(n): 40490838835200
• Sum of proper divisors (its aliquot sum) s(n): 20499503086179
• 19991335749021 is an abundant number, because the sum of its proper divisors (20499503086179) is greater than itself. Its abundance is 508167337158

Bases of 19991335749021

• Binary: 100100010111010011000011101110100010110011101₂
• Hexadecimal: 0x122E9877459D
• Base-36: 733W556L9

Squares and roots of 19991335749021

• 19991335749021 squared (19991335749021²) is 399653505030085027102458441
• 19991335749021 cubed (19991335749021³) is 7989607402329482846428643102919258936261
• The square root of 19991335749021 is 4471167.1573562311
• The cube root of 19991335749021 is 27140.2558672051

Scales and comparisons

• 19,991,335,749,021 seconds is equal to 635,662 years, 33 weeks, 1 day, 19 hours, 10 minutes, 21 seconds.
• To count from 1 to 19,991,335,749,021 would take you about one million, five hundred eighty-nine thousand, one hundred fifty-six 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 19991335749021 cubic inches would be around 2261.7 feet tall.

Recreational maths with 19991335749021

• 19991335749021 backwards is 12094753319991
• 19991335749021 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 19991335749021's digits is 63
• More coming soon!