21428995827470

Names of 21428995827470

• Cardinal: 21428995827470 can be written as Twenty-one trillion, four hundred twenty-eight billion, nine hundred ninety-five million, eight hundred twenty-seven thousand, four hundred seventy.

Scientific notation

• Scientific notation: 2.142899582747 × 10¹³

Factors of 21428995827470

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1533

Divisors of 21428995827470

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 5 7 10 11 14 22 35 53 55 70 77 106 110 121 127 154 242 254 265 371 385 409 530 583 605 635 742 770 818 847 889 919 1166 1210 1270 1397 1694 1778 1838 1855 2045 2794 2863 2915 3710 4081 4090 4235 4445 4499 4595 5726 5830 6413 6433 6731 6985 8162 8470 8890 8998 9190 9779 10109 12826 12866 13462 13970 14315 15367 19558 20218 20405 21677 22495 28630 30734 31493 32065 32165 33655 40810 43354 44891 44990 47117 48707 48895 49489 50545 51943 62986 64130 64330 67310 70763 74041 76835 89782 94234 97414 97790 98978 101090 103886 107569 108385 111199 116713 141526 148082 151739 153670 157465 215138 216770 222398 224455 233426 235585 238447 243535 247445 259715 303478 314930 340949 346423 353815 363601 370205 375871 448910 471170 476894 487070 494890 518287 519430 535777 537845 555995 571373 583565 681898 692846 707630 727202 740410 751742 758695 778393 814451 816991 1036574 1071554 1075690 1111990 1142746 1167130 1192235 1283843 1517390 1556786 1628902 1633982 1669129 1704745 1732115 1818005 1879355 2384470 2567686 2591435 2622917 2631097 2678885 2752979 2856865 3338258 3409490 3464230 3636010 3750439 3758710 3891965 3999611 4072255 4084955 4134581 5182870 5245834 5262194 5357770 5505958 5701157 5713730 5893547 6185789 6285103 6419215 7500878 7783930 7999222 8144510 8169910 8269162 8345645 8986901 11402314 11787094 12371578 12570206 12838430 13114585 13155485 13764895 14122273 16691290 17973802 18360419 18752195 19270853 19921163 19998055 20672905 26229170 26310970 27529790 28244546 28505785 28942067 29467735 30282769 30928945 31425515 36720838 37504390 38541706 39842326 39996110 41254829 41345810 43300523 43995721 44934505 45480391 47735617 57011570 57884134 58935470 60565538 61857890 62851030 68043679 70611365 82509658 86601046 87991442 89869010 90960782 91802095 95471234 96354265 98855911 99605815 136087358 139448141 141222730 144710335 151413845 183604190 192708530 197711822 199211630 206274145 211979383 216502615 219132793 219978605 227401955 238678085 278896282 289420670 302827690 318362737 333110459 334149319 340218395 412548290 423958766 433005230 438265586 439957210 454803910 476305753 477356170 494279555 525091787 636725474 666220918 668298638 680436790 697240705 748480469 952611506 988559110 1050183574 1059896915 1095663965 1394481410 1496960938 1533929551 1591813685 1665552295 1670746595 2119793830 2191327930 2331773213 2381528765 2410460723 2529987701 2625458935 3067859102 3183627370 3331104590 3341493190 3675642509 3742402345 4663546426 4763057530 4820921446 5059975402 5239363283 5250917870 5776009657 7351285018 7484804690 7669647755 10478726566 11552019314 11658866065 12052303615 12649938505 15339295510 16873225061 17709913907 18378212545 23317732130 24104607230 25299877010 26196816415 27829864711 28880048285 33746450122 35419827814 36756425090 40432067599 52393632830 55659729422 57760096570 80864135198 84366125305 88549569535 139149323555 168732250610 177099139070 194809052977 202160337995 278298647110 306128511821 389618105954 404320675990 612257023642 974045264885 1530642559105 1948090529770 2142899582747 3061285118210 4285799165494 10714497913735 21428995827470
• Sum of all divisors σ(n): 49933216972800
• Sum of proper divisors (its aliquot sum) s(n): 28504221145330
• 21428995827470 is an abundant number, because the sum of its proper divisors (28504221145330) is greater than itself. Its abundance is 7075225317860

Bases of 21428995827470

• Binary: 100110111110101010011101011110010011100001110₂
• Hexadecimal: 0x137D53AF270E
• Base-36: 7LGCEU2OE

Squares and roots of 21428995827470

• 21428995827470 squared (21428995827470²) is 459201862173726670006600900
• 21428995827470 cubed (21428995827470³) is 9840234788487242835831708283457546723000
• The square root of 21428995827470 is 4629146.3389560285
• The cube root of 21428995827470 is 27775.8445814477

Scales and comparisons

• 21,428,995,827,470 seconds is equal to 681,375 years, 40 weeks, 5 days, 57 minutes, 50 seconds.
• To count from 1 to 21,428,995,827,470 would take you about one million, seven hundred three thousand, four hundred thirty-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 21428995827470 cubic inches would be around 2314.7 feet tall.

Recreational maths with 21428995827470

• 21428995827470 backwards is 07472859982412
• The number of decimal digits it has is: 14
• The sum of 21428995827470's digits is 68
• More coming soon!