21420048487696312

Names of 21420048487696312

• Cardinal: 21420048487696312 can be written as Twenty-one quadrillion, four hundred twenty trillion, forty-eight billion, four hundred eighty-seven million, six hundred ninety-six thousand, three hundred twelve.

Scientific notation

• Scientific notation: 2.1420048487696312 × 10¹⁶

Factors of 21420048487696312

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 75365

Divisors of 21420048487696312

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 8 19 38 76 139 152 278 556 1112 1151 2302 2641 4604 5282 9208 10564 14887 21128 21869 29774 43738 59167 59548 87476 118334 119096 159989 174952 236668 282853 319978 473336 565706 639956 1124173 1131412 1279912 2069293 2248346 2262824 3039791 4138586 4496692 6079582 8224213 8277172 8993384 12159164 16448426 16554344 17134937 24318328 32896852 34269874 39316567 65793704 68101217 68539748 78633134 136202434 137079496 156260047 157266268 272404868 312520094 314532536 325563803 544809736 625040188 651127606 880819129 1250080376 1293923123 1302255212 1761638258 2381756243 2587846246 2604510424 3523276516 4763512486 5175692492 7046553032 9466069163 9527024972 10351384984 16735563451 18932138326 19054049944 33471126902 37864276652 45253368617 66942253804 75728553304 90506737234 122433858931 133884507608 179855314097 181013474468 244867717862 359710628194 362026948936 489735435724 719421256388 979470871448 1013822817479 1438842512776 2027645634958 2326243319689 4055291269916 4652486639378 8110582539832 9304973278756 18609946557512 19262633532101 38525267064202 77050534128404 140921371629581 154101068256808 281842743259162 563685486518324 1127370973036648 2677506060962039 5355012121924078 10710024243848156 21420048487696312
• Sum of all divisors σ(n): 42621135814656000
• Sum of proper divisors (its aliquot sum) s(n): 21201087326959688
• 21420048487696312 is a deficient number, because the sum of its proper divisors (21201087326959688) is less than itself. Its deficiency is 218961160736624

Bases of 21420048487696312

• Binary: 1001100000110010110101110101101001011100100011110111000₂
• Hexadecimal: 0x4C196BAD2E47B8
• Base-36: 5UWRUFGB7P4

Squares and roots of 21420048487696312

• 21420048487696312 squared (21420048487696312²) is 458818477215261062773644738401344
• 21420048487696312 cubed (21420048487696312³) is 9827914029001877512481333863411261461052244643328
• The square root of 21420048487696312 is 146355896.6618575023
• The cube root of 21420048487696312 is 277719.7825444665

Scales and comparisons

• 21,420,048,487,696,312 seconds is equal to 681,091,285 years, 18 weeks, 20 hours, 31 minutes, 52 seconds.
• To count from 1 to 21,420,048,487,696,312 would take you about two billion, forty-three million, two hundred seventy-three thousand, eight hundred fifty-six 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 21420048487696312 cubic inches would be around 23143.3 feet tall.

Recreational maths with 21420048487696312

• 21420048487696312 backwards is 21369678484002412
• The number of decimal digits it has is: 17
• The sum of 21420048487696312's digits is 67
• More coming soon!