21189621251610

Names of 21189621251610

• Cardinal: 21189621251610 can be written as Twenty-one trillion, one hundred eighty-nine billion, six hundred twenty-one million, two hundred fifty-one thousand, six hundred ten.

Scientific notation

• Scientific notation: 2.118962125161 × 10¹³

Factors of 21189621251610

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2695

Divisors of 21189621251610

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 63 70 90 105 126 127 210 254 281 315 381 547 562 630 635 762 843 889 1094 1143 1270 1405 1641 1686 1723 1778 1905 1967 2286 2529 2667 2735 2810 3282 3446 3810 3829 3934 4215 4445 4923 5058 5169 5334 5470 5715 5901 7658 8001 8205 8430 8615 8890 9835 9846 10338 11430 11487 11802 12061 12645 13335 15507 16002 16410 17230 17703 19145 19670 22974 24122 24615 25290 25845 26670 29505 31014 34461 35406 35687 36183 38290 40005 49230 51690 57435 59010 60305 68922 69469 71374 72366 77535 80010 88515 107061 108549 114870 120610 138938 153707 155070 172305 177030 178435 180915 208407 214122 217098 218821 249809 307414 321183 344610 347345 356870 361830 416814 437642 461121 484163 486283 499618 535305 542745 625221 642366 656463 694690 749427 768535 922242 942481 968326 972566 1042035 1070610 1075949 1085490 1094105 1249045 1250442 1312926 1383363 1452489 1458849 1498854 1531747 1537070 1605915 1884962 1969389 2084070 2151898 2188210 2248281 2305605 2420815 2431415 2498090 2766726 2827443 2904978 2917698 3063494 3126105 3211830 3227847 3282315 3389141 3747135 3938778 4357467 4376547 4496562 4595241 4611210 4712405 4841630 4862830 5379745 5654886 6252210 6455694 6564630 6597367 6778282 6916815 7262445 7294245 7494270 7658735 8482329 8714934 8753094 9190482 9424810 9683541 9846945 10167423 10759490 11241405 13194734 13785723 13833630 14137215 14524890 14588490 15317470 16139235 16945705 16964658 19367082 19520789 19693890 19792101 20334846 21787335 21882735 22482810 22976205 27571446 28274430 30502269 32278470 32986835 33891410 39041578 39584202 42411645 43574670 43765470 45952410 48417705 50837115 58562367 59376303 61004538 61488701 65973670 68928615 84823290 96835410 97603945 98960505 101674230 117124734 118752606 119695087 122977402 136645523 137857230 152511345 175687101 184466103 195207890 197921010 239390174 264837161 273291046 292811835 296881515 305022690 307443505 351374202 359085261 368932206 409936569 430420907 529674322 553398309 585623670 593763030 598475435 614887010 683227615 718170522 794511483 819873138 837865609 860841814 878435505 922330515 1077255783 1106796618 1196950870 1229809707 1291262721 1324185805 1366455230 1589022966 1675731218 1756871010 1795426305 1844661030 1853860127 2049682845 2152104535 2154511566 2383534449 2459619414 2513596827 2582525442 2648371610 2766991545 3590852610 3707720254 3873788163 3972557415 4099365690 4189328045 4304209070 4767068898 5027193654 5386278915 5533983090 5561580381 6149048535 6456313605 7540790481 7747576326 7945114830 8378656090 9269300635 10772557830 11123160762 11917672245 12298097070 12567984135 12912627210 15081580962 16684741143 18538601270 19368940815 23835344490 25135968270 27807901905 33369482286 33634319447 37703952405 38737881630 55615803810 67268638894 75407904810 83423705715 100902958341 166847411430 168171597235 201805916682 235440236129 302708875023 336343194470 470880472258 504514791705 605417750046 706320708387 1009029583410 1177201180645 1412641416774 1513544375115 2118962125161 2354402361290 3027088750230 3531603541935 4237924250322 7063207083870 10594810625805 21189621251610
• Sum of all divisors σ(n): 63838510055424
• Sum of proper divisors (its aliquot sum) s(n): 42648888803814
• 21189621251610 is an abundant number, because the sum of its proper divisors (42648888803814) is greater than itself. Its abundance is 21459267552204

Bases of 21189621251610

• Binary: 100110100010110010111110110001111111000011010₂
• Hexadecimal: 0x134597D8FE1A
• Base-36: 7IEDLE5UI

Squares and roots of 21189621251610

• 21189621251610 squared (21189621251610²) is 449000048786682142927592100
• 21189621251610 cubed (21189621251610³) is 9514140975744206731320601023605548281000
• The square root of 21189621251610 is 4603218.5752590545
• The cube root of 21189621251610 is 27672.0328584607

Scales and comparisons

• 21,189,621,251,610 seconds is equal to 673,764 years, 21 weeks, 2 days, 23 hours, 13 minutes, 30 seconds.
• To count from 1 to 21,189,621,251,610 would take you about one million, six hundred eighty-four thousand, four hundred eleven 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 21189621251610 cubic inches would be around 2306 feet tall.

Recreational maths with 21189621251610

• 21189621251610 backwards is 01615212698112
• 21189621251610 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21189621251610's digits is 45
• More coming soon!