19918391737629

Names of 19918391737629

• Cardinal: 19918391737629 can be written as Nineteen trillion, nine hundred eighteen billion, three hundred ninety-one million, seven hundred thirty-seven thousand, six hundred twenty-nine.

Scientific notation

• Scientific notation: 1.9918391737629 × 10¹³

Factors of 19918391737629

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 164

Divisors of 19918391737629

• Number of divisors d(n): 324
• Complete list of divisors:
  1 3 7 11 21 29 33 43 71 77 87 121 129 203 213 231 301 319 363 473 497 609 781 841 847 903 957 1247 1419 1491 1849 2059 2233 2343 2523 2541 3053 3311 3509 3741 5041 5203 5467 5547 5887 6177 6699 8591 8729 9159 9251 9933 10527 12943 13717 14413 15123 15609 16401 17661 20339 21371 22649 24563 25773 26187 27753 33583 35287 36163 36421 38829 41151 43239 53621 55451 59711 60137 61017 64113 64757 67947 73689 88537 96019 100749 101761 105861 108489 109263 131279 142373 146189 150887 158543 160863 166353 179133 180411 194271 216763 223729 235081 249139 253141 265611 288057 305283 369413 375347 388157 393837 397793 417977 427119 438567 452661 475629 589831 609961 619759 650289 656821 671187 705243 712327 747417 759423 918953 973907 1023323 1056209 1108239 1126041 1164471 1193379 1253931 1444069 1517341 1555009 1566103 1608079 1743973 1769493 1829883 1859277 1970463 2136981 2384393 2567573 2585891 2756859 2784551 2921721 3069969 3168627 3807091 4128817 4239481 4269727 4332207 4375723 4552023 4597747 4665027 4698309 4824237 5231919 6286127 6488141 6817349 7153179 7225031 7702719 7757673 8353653 9320809 10108483 10712977 10885063 11256553 11421273 12386451 12718443 12809181 13127169 13793241 15884759 16690751 17105099 17688869 17973011 18858381 19464423 20452047 21675093 26228323 26649637 27962427 28243303 29676367 30325449 30630061 32138931 32655189 33769659 41878001 44002889 45416987 46634291 47654277 50072253 50575217 51315297 53066607 53919033 65245663 69147397 74990839 78684969 79948911 84729909 89029101 91890183 102528899 110405639 111193313 119735693 123822083 125634003 132008667 136250961 139902873 151725651 182297683 183598261 188156089 195736989 197703121 207442191 224972517 270303461 293146007 307586697 310676333 326440037 331216917 333579939 359207079 371466249 460658011 484031779 512977201 546893049 550794783 564468267 593109363 717702293 760621367 772839473 810910383 879438021 932028999 979320111 1127817889 1214462029 1276083781 1317092623 1381974033 1452095337 1538931603 1892124227 2005274513 2153106879 2174734331 2281864101 2318518419 2973338071 3224606077 3383453667 3590840407 3643386087 3828251343 3951277869 5324349569 5676372681 6015823539 6524202993 7838800369 7894725223 8501234203 8920014213 9673818231 10772521221 13359082319 14036921591 15973048707 20813366497 22058019643 23516401107 23684175669 25503702609 32706718781 40077246957 42110764773 54871602583 62440099491 66174058929 86226804059 93513576233 98120156343 154406137501 164614807749 228947031467 258680412177 280540728699 463218412503 603587628413 686841094401 948494844649 1810762885239 2845484533947 6639463912543 19918391737629
• Sum of all divisors σ(n): 35879483369184
• Sum of proper divisors (its aliquot sum) s(n): 15961091631555
• 19918391737629 is a deficient number, because the sum of its proper divisors (15961091631555) is less than itself. Its deficiency is 3957300106074

Bases of 19918391737629

• Binary: 100100001110110011100101010011111110100011101₂
• Hexadecimal: 0x121D9CA9FD1D
• Base-36: 726DS5V6L

Squares and roots of 19918391737629

• 19918391737629 squared (19918391737629²) is 396742329413647213974541641
• 19918391737629 cubed (19918391737629³) is 7902469136160473647064765248046807109189
• The square root of 19918391737629 is 4463002.5473473573
• The cube root of 19918391737629 is 27107.2060182617

Scales and comparisons

• 19,918,391,737,629 seconds is equal to 633,343 years, 12 weeks, 5 days, 9 hours, 47 minutes, 9 seconds.
• To count from 1 to 19,918,391,737,629 would take you about one million, five hundred eighty-three thousand, three hundred fifty-eight 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 19918391737629 cubic inches would be around 2258.9 feet tall.

Recreational maths with 19918391737629

• 19918391737629 backwards is 92673719381991
• The number of decimal digits it has is: 14
• The sum of 19918391737629's digits is 75
• More coming soon!