18199919868928

Names of 18199919868928

• Cardinal: 18199919868928 can be written as Eighteen trillion, one hundred ninety-nine billion, nine hundred nineteen million, eight hundred sixty-eight thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 1.8199919868928 × 10¹³

Factors of 18199919868928

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 1279

Divisors of 18199919868928

• Number of divisors d(n): 198
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 41 56 64 82 112 128 164 224 256 287 328 448 512 574 656 896 1024 1148 1229 1312 1681 1792 2296 2458 2624 3362 3584 4592 4916 5248 6724 7168 8603 9184 9832 10496 11767 13448 17206 18368 19664 20992 23534 26896 34412 36736 39328 41984 47068 50389 53792 68824 73472 78656 94136 100778 107584 137648 146944 157312 188272 201556 215168 275296 293888 314624 352723 376544 403112 430336 550592 629248 705446 753088 806224 860672 1101184 1258496 1410892 1506176 1510441 1612448 1721344 2065949 2202368 2821784 3012352 3020882 3224896 4131898 4404736 5643568 6024704 6041764 6449792 8263796 8809472 10573087 11287136 12049408 12083528 12899584 14461643 16527592 21146174 22574272 24167056 25799168 28923286 33055184 42292348 45148544 48334112 51598336 57846572 61928081 66110368 84584696 90297088 96668224 115693144 123856162 132220736 169169392 180594176 193336448 231386288 247712324 264441472 338338784 361188352 386672896 433496567 462772576 495424648 528882944 676677568 773345792 866993134 925545152 990849296 1057765888 1353355136 1546691584 1733986268 1851090304 1981698592 2115531776 2539051321 2706710272 3467972536 3702180608 3963397184 5078102642 5413420544 6935945072 7404361216 7926794368 10156205284 10826841088 13871890144 14808722432 15853588736 17773359247 20312410568 27743780288 31707177472 35546718494 40624821136 55487560576 63414354944 71093436988 81249642272 110975121152 142186873976 162499284544 221950242304 284373747952 324998569088 443900484608 568747495904 649997138176 1137494991808 1299994276352 2274989983616 2599988552704 4549979967232 9099959934464 18199919868928
• Sum of all divisors σ(n): 42653079162008
• Sum of proper divisors (its aliquot sum) s(n): 24453159293080
• 18199919868928 is an abundant number, because the sum of its proper divisors (24453159293080) is greater than itself. Its abundance is 6253239424152

Bases of 18199919868928

• Binary: 100001000110101111111110000100011110000000000₂
• Hexadecimal: 0x108D7FC23C00
• Base-36: 6G8XEDR0G

Squares and roots of 18199919868928

• 18199919868928 squared (18199919868928²) is 331237083235400188699869184
• 18199919868928 cubed (18199919868928³) is 6028488372501717628492149625996026314752
• The square root of 18199919868928 is 4266136.4100234769
• The cube root of 18199919868928 is 26304.0825388173

Scales and comparisons

• 18,199,919,868,928 seconds is equal to 578,701 years, 8 weeks, 16 hours, 55 minutes, 28 seconds.
• To count from 1 to 18,199,919,868,928 would take you about one million, four hundred forty-six thousand, seven hundred fifty-two 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 18199919868928 cubic inches would be around 2192 feet tall.

Recreational maths with 18199919868928

• 18199919868928 backwards is 82986891999181
• The number of decimal digits it has is: 14
• The sum of 18199919868928's digits is 88
• More coming soon!