21400918891625

Names of 21400918891625

• Cardinal: 21400918891625 can be written as Twenty-one trillion, four hundred billion, nine hundred eighteen million, eight hundred ninety-one thousand, six hundred twenty-five.

Scientific notation

• Scientific notation: 2.1400918891625 × 10¹³

Factors of 21400918891625

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1960

Divisors of 21400918891625

• Number of divisors d(n): 192
• Complete list of divisors:
  1 5 7 13 25 35 65 67 91 125 127 175 325 335 455 469 635 871 875 889 1625 1651 1675 1741 2275 2345 3175 4355 4445 6097 8255 8375 8509 8705 11375 11557 11725 12187 15875 16129 21775 22225 22633 30485 41275 42545 43525 57785 58625 59563 60935 80645 108875 110617 111125 112903 113165 116647 152425 158431 206375 209677 212725 217625 221107 288925 297815 304675 403225 553085 564515 565825 583235 762125 774319 792155 816529 1048385 1063625 1080643 1105535 1444625 1467739 1489075 1516411 1523375 1547749 2016125 2765425 2822575 2829125 2874391 2916175 3871595 3960775 4082645 5241925 5403215 5527675 7338695 7445375 7564501 7582055 7738745 10614877 13827125 14048359 14112875 14371955 14580875 14814169 19357975 19803875 20120737 20413225 26209625 27016075 27638375 28080589 36693475 37822505 37910275 38693725 53074385 70241795 71859775 74070845 96789875 98338513 100603685 102066125 103699183 135080375 140402945 183467375 189112525 189551375 192584197 193468625 196564123 265371925 351208975 359298875 365047657 370354225 491692565 503018425 518495915 702014725 945562625 962920985 982820615 1326859625 1348089379 1756044875 1825238285 1851771125 1881399463 2458462825 2515092125 2555333599 2592479575 3510073625 4814604925 4914103075 6740446895 9126191425 9406997315 12292314125 12776667995 12962397875 13169796241 24073024625 24458193019 24570515375 33702234475 45630957125 47034986575 63883339975 65848981205 122290965095 168511172375 171207351133 235174932875 319416699875 329244906025 611454825475 856036755665 1646224530125 3057274127375 4280183778325 21400918891625
• Sum of all divisors σ(n): 33646515162624
• Sum of proper divisors (its aliquot sum) s(n): 12245596270999
• 21400918891625 is a deficient number, because the sum of its proper divisors (12245596270999) is less than itself. Its deficiency is 9155322620626

Bases of 21400918891625

• Binary: 100110111011011001010001010110001110001101001₂
• Hexadecimal: 0x1376CA2B1C69
• Base-36: 7L3G2JWBT

Squares and roots of 21400918891625

• 21400918891625 squared (21400918891625²) is 457999329405911818495140625
• 21400918891625 cubed (21400918891625³) is 9801606501034559624391513079823509765625
• The square root of 21400918891625 is 4626112.7192952181
• The cube root of 21400918891625 is 27763.7083547517

Scales and comparisons

• 21,400,918,891,625 seconds is equal to 680,483 years, 1 week, 1 day, 12 hours, 7 minutes, 5 seconds.
• To count from 1 to 21,400,918,891,625 would take you about one million, seven hundred one thousand, two hundred seven 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 21400918891625 cubic inches would be around 2313.6 feet tall.

Recreational maths with 21400918891625

• 21400918891625 backwards is 52619881900412
• The number of decimal digits it has is: 14
• The sum of 21400918891625's digits is 56
• More coming soon!