21311405345890

Names of 21311405345890

• Cardinal: 21311405345890 can be written as Twenty-one trillion, three hundred eleven billion, four hundred five million, three hundred forty-five thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 2.131140534589 × 10¹³

Factors of 21311405345890

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 6981

Divisors of 21311405345890

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 5 10 11 17 22 29 34 41 55 58 82 83 85 110 145 166 170 187 205 289 290 319 374 410 415 451 493 578 638 697 830 902 913 935 986 1189 1394 1411 1445 1595 1826 1870 2255 2378 2407 2465 2822 2890 3179 3190 3403 3485 4510 4565 4814 4930 5423 5945 6358 6793 6806 6970 7055 7667 8381 9130 10846 11849 11890 12035 13079 13586 14110 15334 15521 15895 16762 17015 20213 23698 23987 24070 26158 26477 27115 31042 31790 33965 34030 37433 38335 40426 40919 41905 47974 52954 54230 57851 59245 65395 67930 74723 74866 76670 77605 81838 83810 92191 98687 101065 115481 115702 118490 119935 130339 130790 132385 149446 155210 184382 187165 196997 197374 202130 204595 222343 230962 239870 260678 263857 264770 278513 289255 343621 373615 374330 393994 409190 444686 450109 460955 493435 527714 557026 563819 577405 578510 636361 651695 687242 695623 747230 900218 921910 983467 984985 986870 1085557 1111715 1127638 1154810 1270291 1272722 1303390 1319285 1391246 1392565 1677679 1718105 1963177 1966934 1969970 2166967 2171114 2223430 2250545 2540582 2638570 2785130 2819095 3063643 3181805 3348949 3355358 3436210 3478115 3779831 3926354 4333934 4501090 4734721 4917335 5427785 5638190 6127286 6202009 6351455 6363610 6697898 6956230 7559662 7651853 8076877 8388395 9469442 9584923 9815885 9834670 10818137 10834835 10855570 12404018 12702910 15303706 15318215 16153754 16350751 16744745 16776790 18454469 18899155 19169846 19631770 21594947 21636274 21669670 23116579 23673605 28520543 30636430 31010045 32701502 33489490 36838439 36908938 37798310 38259265 40384385 43189894 46233158 47347210 47924615 52081931 54090685 56932133 57041086 62020090 73676878 76518530 80490257 80768770 81753755 88845647 92272345 95849230 104163862 105434153 107974735 108181370 113864266 115582895 137306909 142602715 160980514 162943691 163507510 177691294 179858261 184192195 184544690 210868306 215949470 231165790 254282369 260409655 274613818 277962767 284660665 285205430 313725973 325887382 359716522 368384390 392981843 402451285 444228235 508564738 520819310 527170765 555925534 569321330 626253463 627451946 670380791 686534545 785963686 804902570 814718455 885392827 888456470 899291305 1054341530 1252506926 1271411845 1340761582 1373069090 1389813835 1510375999 1568629865 1629436910 1770785654 1792380601 1798582610 1964909215 2334217453 2542823690 2779627670 3020751998 3057590437 3131267315 3137259730 3351903955 3584761202 3929818430 4322800273 4426964135 4668434906 4725367039 6115180874 6262534630 6680691331 6703807910 7374188701 7551879995 8645600546 8853928270 8961903005 9450734078 11396473447 11671087265 13361382662 14748377402 15103759990 15287952185 17923806010 21614001365 22792946894 23342174530 23626835195 25676391983 30575904370 33403456655 36870943505 43228002730 47253670390 51352783966 51979037429 56982367235 66806913310 73487604641 73741887010 103958074858 113964734470 125361207917 128381959915 146975209282 193740048599 250722415834 256763919830 259895187145 367438023205 387480097198 519790374290 626806039585 734876046410 968700242995 1253612079170 1937400485990 2131140534589 4262281069178 10655702672945 21311405345890
• Sum of all divisors σ(n): 47683431371520
• Sum of proper divisors (its aliquot sum) s(n): 26372026025630
• 21311405345890 is an abundant number, because the sum of its proper divisors (26372026025630) is greater than itself. Its abundance is 5060620679740

Bases of 21311405345890

• Binary: 100110110000111110010101111101100110001100010₂
• Hexadecimal: 0x1361F2BECC62
• Base-36: 7JYBOHYEA

Squares and roots of 21311405345890

• 21311405345890 squared (21311405345890²) is 454175997816828870539892100
• 21311405345890 cubed (21311405345890³) is 9679128787848491760631147230443778469000
• The square root of 21311405345890 is 4616427.7689453779
• The cube root of 21311405345890 is 27724.9452055455

Scales and comparisons

• 21,311,405,345,890 seconds is equal to 677,636 years, 40 weeks, 2 hours, 18 minutes, 10 seconds.
• To count from 1 to 21,311,405,345,890 would take you about one million, six hundred ninety-four thousand and ninety-one 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 21311405345890 cubic inches would be around 2310.4 feet tall.

Recreational maths with 21311405345890

• 21311405345890 backwards is 09854350411312
• The number of decimal digits it has is: 14
• The sum of 21311405345890's digits is 46
• More coming soon!