21204701842415

Names of 21204701842415

• Cardinal: 21204701842415 can be written as Twenty-one trillion, two hundred four billion, seven hundred one million, eight hundred forty-two thousand, four hundred fifteen.

Scientific notation

• Scientific notation: 2.1204701842415 × 10¹³

Factors of 21204701842415

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 120

Divisors of 21204701842415

• Number of divisors d(n): 384
• Complete list of divisors:
  1 5 7 13 17 35 37 41 65 85 91 119 169 185 205 221 259 287 289 455 481 533 595 629 697 845 1105 1183 1295 1369 1435 1445 1517 1547 2023 2197 2405 2665 2873 3145 3367 3485 3731 3757 4403 4879 4913 5915 6253 6845 6929 7585 7735 8177 9061 9583 10115 10619 10693 10985 11849 14365 15379 16835 17797 18655 18785 19721 20111 22015 23273 24395 24565 25789 26299 31265 34391 34645 37349 40885 43771 45305 47915 48503 48841 53095 53465 56129 57239 59245 63427 63869 74851 76895 81289 82943 88985 90077 98605 100555 106301 116365 117793 124579 128945 131495 138047 139009 154037 162911 171955 180523 181781 186745 201433 218855 231361 242515 244205 256373 261443 280645 286195 302549 317135 319345 335257 341887 374255 392903 395641 406445 414715 438413 447083 450385 531505 569023 588965 622895 630539 634933 690235 695045 729677 744107 770185 814555 824551 830297 902615 908905 954193 973063 1007165 1078259 1156805 1272467 1281865 1307215 1381913 1410031 1512745 1531309 1619527 1676285 1709435 1794611 1807117 1964515 1978205 2002481 2117843 2192065 2235415 2346799 2363153 2618629 2769487 2845115 3007693 3068891 3152695 3174665 3332849 3648385 3720535 3933137 4122755 4151485 4358341 4444531 4770965 4865315 5107739 5143333 5391295 5699369 5812079 6362335 6679351 6725897 6909565 7050155 7453021 7656545 8097635 8973055 9035585 9485801 9673391 10012405 10589215 10719163 10793861 11733995 11815765 12404509 12649819 13093145 13847435 14017367 15038465 15344455 16221281 16542071 16664245 18330403 19665685 21053851 21791705 22222655 23329943 23492521 25538695 25716665 26032253 27531959 28496845 29060395 30508387 30720989 33396755 33629485 34042177 36003331 37265105 39895583 47081279 47429005 48366955 51130781 52171147 53595815 53969305 56658433 62022545 63249095 66400607 66863329 70086835 74091797 75557027 81106405 82710355 86831563 87436661 91652015 96889273 105269255 113548967 116649715 117462605 123315413 130161265 137659795 152541935 153604945 161258617 164447647 170210885 180016655 182225771 199477915 210876653 215046923 235406395 238295239 255653905 260855735 275761777 283292165 332003035 334316645 357915467 370458985 377785135 396609031 399372857 434157815 437183305 442548301 468043303 484446365 518642579 567744835 612056627 616577065 678224911 806293085 822238235 863207891 869223277 911128855 963193361 1054383265 1075234615 1128810319 1136676593 1191476195 1259560549 1378808885 1476136571 1789577335 1930332439 1983045155 1996864285 2096362021 2212741505 2340216515 2593212895 2741396489 2795609999 3060283135 3097838107 3391124555 3584903101 4316039455 4346116385 4815966805 5644051595 5683382965 6084562939 6297802745 6742353527 7380682855 7956736151 8816923843 9651662195 10481810105 13706982445 13978049995 14674534147 14776795709 15489190535 16374287137 17924515505 19189775423 25094321707 30422814695 33711767635 35638154357 39783680755 44084619215 46603740313 73372670735 73883978545 81871435685 95948877115 103437569963 114620009959 125471608535 178190771785 233018701565 249467080499 326226182191 517187849815 573100049795 605848624069 1247335402495 1631130910955 3029243120345 4240940368483 21204701842415
• Sum of all divisors σ(n): 35239690483200
• Sum of proper divisors (its aliquot sum) s(n): 14034988640785
• 21204701842415 is a deficient number, because the sum of its proper divisors (14034988640785) is less than itself. Its deficiency is 7169713201630

Bases of 21204701842415

• Binary: 100110100100100011010101110001000101111101111₂
• Hexadecimal: 0x13491AB88BEF
• Base-36: 7ILAZZK6N

Squares and roots of 21204701842415

• 21204701842415 squared (21204701842415²) is 449639380225718095493032225
• 21204701842415 cubed (21204701842415³) is 9534468994294623218067505329252466823375
• The square root of 21204701842415 is 4604856.3324402425
• The cube root of 21204701842415 is 27678.5960030445

Scales and comparisons

• 21,204,701,842,415 seconds is equal to 674,243 years, 48 weeks, 1 day, 20 hours, 13 minutes, 35 seconds.
• To count from 1 to 21,204,701,842,415 would take you about one million, six hundred eighty-five thousand, six hundred nine 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 21204701842415 cubic inches would be around 2306.5 feet tall.

Recreational maths with 21204701842415

• 21204701842415 backwards is 51424810740212
• 21204701842415 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21204701842415's digits is 41
• More coming soon!