21380474980900

Names of 21380474980900

• Cardinal: 21380474980900 can be written as Twenty-one trillion, three hundred eighty billion, four hundred seventy-four million, nine hundred eighty thousand, nine hundred.

Scientific notation

• Scientific notation: 2.13804749809 × 10¹³

Factors of 21380474980900

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 5662

Divisors of 21380474980900

• Number of divisors d(n): 270
• Complete list of divisors:
  1 2 4 5 7 10 14 20 25 28 35 49 50 70 98 100 127 140 175 196 245 254 343 350 490 508 635 686 700 889 980 1225 1270 1372 1715 1778 2401 2450 2540 3175 3430 3556 4445 4802 4900 5521 6223 6350 6860 8575 8890 9604 11042 12005 12446 12700 16129 17150 17780 22084 22225 24010 24892 27605 31115 32258 34300 38647 43561 44450 48020 55210 60025 62230 64516 77294 80645 87122 88900 110420 112903 120050 124460 138025 154588 155575 161290 174244 193235 217805 225806 240100 270529 276050 304927 311150 322580 386470 403225 435610 451612 541058 552100 564515 609854 622300 701167 772940 790321 806450 871220 966175 1082116 1089025 1129030 1219708 1352645 1402334 1524635 1580642 1612900 1893703 1932350 2178050 2258060 2705290 2804668 2822575 3049270 3161284 3505835 3787406 3864700 3951605 4356100 4908169 5410580 5532247 5645150 6098540 6763225 7011670 7574812 7623175 7903210 9468515 9816338 11064494 11290300 13255921 13526450 14023340 15246350 15806420 17529175 18937030 19632676 19758025 22128988 24540845 26511842 27052900 27661235 30492700 34357183 35058350 37874060 38725729 39516050 47342575 49081690 53023684 55322470 66279605 68714366 70116700 77451458 79032100 89048209 94685150 98163380 110644940 122704225 132559210 137428732 138306175 154902916 171785915 178096418 189370300 193628645 240500281 245408450 265118420 276612350 331398025 343571830 356192836 387257290 445241045 481000562 490816900 553224700 623337463 662796050 687143660 774514580 858929575 890482090 962001124 968143225 1202501405 1246674926 1325592100 1683501967 1717859150 1780964180 1936286450 2226205225 2405002810 2493349852 3116687315 3367003934 3435718300 3872572900 4363362241 4452410450 4810005620 6012507025 6233374630 6734007868 8417509835 8726724482 8904820900 12025014050 12466749260 15583436575 16835019670 17453448964 21816811205 24050028100 30543535687 31166873150 33670039340 42087549175 43633622410 61087071374 62333746300 84175098350 87267244820 109084056025 122174142748 152717678435 168350196700 213804749809 218168112050 305435356870 427609499618 436336224100 610870713740 763588392175 855218999236 1069023749045 1527176784350 2138047498090 3054353568700 4276094996180 5345118745225 10690237490450 21380474980900
• Sum of all divisors σ(n): 54564433510818
• Sum of proper divisors (its aliquot sum) s(n): 33183958529918
• 21380474980900 is an abundant number, because the sum of its proper divisors (33183958529918) is greater than itself. Its abundance is 11803483549018

Bases of 21380474980900

• Binary: 100110111001000000111100111011100101000100100₂
• Hexadecimal: 0x1372079DCA24
• Base-36: 7KU1YRXUS

Squares and roots of 21380474980900

• 21380474980900 squared (21380474980900²) is 457124710408890855364810000
• 21380474980900 cubed (21380474980900³) is 9773543434048448742046120747282129000000
• The square root of 21380474980900 is 4623902.5704376601
• The cube root of 21380474980900 is 27754.8648153255

Scales and comparisons

• 21,380,474,980,900 seconds is equal to 679,832 years, 50 weeks, 3 days, 4 hours, 1 minute, 40 seconds.
• To count from 1 to 21,380,474,980,900 would take you about one million, six hundred ninety-nine thousand, five hundred eighty-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 21380474980900 cubic inches would be around 2312.9 feet tall.

Recreational maths with 21380474980900

• 21380474980900 backwards is 00908947408312
• The number of decimal digits it has is: 14
• The sum of 21380474980900's digits is 55
• More coming soon!