21307943433231819

Names of 21307943433231819

• Cardinal: 21307943433231819 can be written as Twenty-one quadrillion, three hundred seven trillion, nine hundred forty-three billion, four hundred thirty-three million, two hundred thirty-one thousand, eight hundred nineteen.

Scientific notation

• Scientific notation: 2.1307943433231819 × 10¹⁶

Factors of 21307943433231819

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 116410182

Divisors of 21307943433231819

• Number of divisors d(n): 160
• Complete list of divisors:
  1 3 7 9 13 19 21 27 39 57 63 81 91 117 133 171 189 247 273 351 399 513 567 741 819 1053 1197 1307 1539 1729 2223 2457 3591 3921 5187 6669 7371 9149 10773 11763 15561 16991 20007 24833 27447 35289 46683 50973 74499 82341 105867 118937 140049 152919 173831 223497 247023 322829 356811 458757 521493 670491 741069 968487 1070433 1376271 1564479 2011473 2259803 2905461 3211299 4693437 6779409 8716383 9633897 14080311 20338227 26149149 61014681 116408833 183044043 349226499 814861831 1047679497 1513314829 2211767827 2444585493 3143038491 4539944487 6635303481 7333756479 9429115473 10593203803 13619833461 15482374789 19905910443 22001269437 28752981751 31779611409 40859500383 46447124367 59717731329 66003808311 86258945253 95338834227 122578501149 139341373101 152146344731 179153193987 201270872257 258776835759 286016502681 418024119303 456439034193 603812616771 776330507277 858049508043 1065024413117 1254072357909 1369317102579 1811437850313 1977902481503 2328991521831 2890780549889 3195073239351 4107951307737 5434313550939 5933707444509 8672341649667 9585219718053 12323853923211 13845317370521 16302940652817 17801122333527 20235463849223 26017024949001 28755659154159 37580147148557 41535952111563 53403367000581 60706391547669 78051074847003 86266977462477 112740441445671 124607856334689 160210101001743 182119174643007 234153224541009 263061030039899 338221324337013 373823569004067 546357523929021 789183090119697 1014663973011039 1121470707012201 1639072571787063 2367549270359091 3043991919033117 7102647811077273 21307943433231819
• Sum of all divisors σ(n): 41269297080506880
• Sum of proper divisors (its aliquot sum) s(n): 19961353647275061
• 21307943433231819 is a deficient number, because the sum of its proper divisors (19961353647275061) is less than itself. Its deficiency is 1346589785956758

Bases of 21307943433231819

• Binary: 1001011101100110111011000101111001110110101110111001011₂
• Hexadecimal: 0x4BB3762F3B5DCB
• Base-36: 5TT1A2TCLOR

Squares and roots of 21307943433231819

• 21307943433231819 squared (21307943433231819²) is 454028453353806997766442994048761
• 21307943433231819 cubed (21307943433231819³) is 9674412601140651065634950847225374080173902726259
• The square root of 21307943433231819 is 145972406.4103617461
• The cube root of 21307943433231819 is 277234.4387273225

Scales and comparisons

• 21,307,943,433,231,819 seconds is equal to 677,526,691 years, 19 weeks, 5 days, 9 hours, 43 minutes, 39 seconds.
• To count from 1 to 21,307,943,433,231,819 would take you about two billion, thirty-two million, five hundred eighty thousand and seventy-four 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 21307943433231819 cubic inches would be around 23102.9 feet tall.

Recreational maths with 21307943433231819

• 21307943433231819 backwards is 91813233434970312
• 21307943433231819 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21307943433231819's digits is 63
• More coming soon!