20293397280

Names of 20293397280

• Cardinal: 20293397280 can be written as Twenty billion, two hundred ninety-three million, three hundred ninety-seven thousand, two hundred eighty.

Scientific notation

• Scientific notation: 2.029339728 × 10¹⁰

Factors of 20293397280

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1341

Divisors of 20293397280

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 29 30 32 36 39 40 45 48 52 58 60 65 72 78 80 87 90 96 104 116 117 120 130 144 145 156 160 174 180 195 208 232 234 240 260 261 288 290 312 348 360 377 390 416 435 464 468 480 520 522 580 585 624 696 720 754 780 841 870 928 936 1040 1044 1131 1160 1170 1248 1289 1305 1392 1440 1508 1560 1682 1740 1872 1885 2080 2088 2262 2320 2340 2523 2578 2610 2784 3016 3120 3364 3393 3480 3744 3770 3867 4176 4205 4524 4640 4680 5046 5156 5220 5655 6032 6240 6445 6728 6786 6960 7540 7569 7734 8352 8410 9048 9360 10092 10312 10440 10933 11310 11601 12064 12615 12890 13456 13572 13920 15080 15138 15468 16757 16820 16965 18096 18720 19335 20184 20624 20880 21866 22620 23202 25230 25780 26912 27144 30160 30276 30936 32799 33514 33640 33930 36192 37381 37845 38670 40368 41248 41760 43732 45240 46404 50271 50460 51560 54288 54665 58005 60320 60552 61872 65598 67028 67280 67860 74762 75690 77340 80736 83785 87464 90480 92808 98397 100542 100920 103120 108576 109330 112143 116010 121104 123744 131196 134056 134560 135720 149524 150813 151380 154680 163995 167570 174928 180960 185616 186905 196794 201084 201840 206240 218660 224286 232020 242208 251355 262392 268112 271440 299048 301626 302760 309360 327990 335140 336429 349856 371232 373810 393588 402168 403680 437320 448572 464040 485953 491985 502710 524784 536224 542880 560715 598096 603252 605520 618720 655980 670280 672858 747620 754065 787176 804336 874640 897144 928080 971906 983970 1005420 1049568 1084049 1121430 1196192 1206504 1211040 1311960 1340560 1345716 1457859 1495240 1508130 1574352 1608672 1682145 1749280 1794288 1856160 1943812 1967940 2010840 2168098 2242860 2413008 2429765 2623920 2681120 2691432 2915718 2990480 3016260 3148704 3252147 3364290 3588576 3887624 3935880 4021680 4336196 4373577 4485720 4826016 4859530 5247840 5382864 5420245 5831436 5980960 6032520 6504294 6728580 7289295 7775248 7871760 8043360 8672392 8747154 8971440 9719060 9756441 10765728 10840490 11662872 12065040 13008588 13457160 14092637 14578590 15550496 15743520 16260735 17344784 17494308 17942880 19438120 19512882 21680980 21867885 23325744 24130080 26017176 26914320 28185274 29157180 32521470 34689568 34988616 38876240 39025764 42277911 43361960 43735770 46651488 48782205 52034352 53828640 56370548 58314360 65042940 69977232 70463185 77752480 78051528 84555822 86723920 87471540 97564410 104068704 112741096 116628720 126833733 130085880 139954464 140926370 156103056 169111644 173447840 174943080 195128820 211389555 225482192 233257440 253667466 260171760 281852740 312206112 338223288 349886160 390257640 422779110 450964384 507334932 520343520 563705480 634168665 676446576 699772320 780515280 845558220 1014669864 1127410960 1268337330 1352893152 1561030560 1691116440 2029339728 2254821920 2536674660 3382232880 4058679456 5073349320 6764465760 10146698640 20293397280
• Sum of all divisors σ(n): 77298497640
• Sum of proper divisors (its aliquot sum) s(n): 57005100360
• 20293397280 is an abundant number, because the sum of its proper divisors (57005100360) is greater than itself. Its abundance is 36711703080

Bases of 20293397280

• Binary: 10010111001100101001010101100100000₂
• Hexadecimal: 0x4B994AB20
• Base-36: 9BM5XK0

Squares and roots of 20293397280

• 20293397280 squared (20293397280²) is 411821973163911398400
• 20293397280 cubed (20293397280³) is 8357266910048752566451556352000
• The square root of 20293397280 is 142454.8955985719
• The cube root of 20293397280 is 2727.6266133269

Scales and comparisons

• 20,293,397,280 seconds is equal to 645 years, 13 weeks, 6 days, 6 hours, 48 minutes.
• To count from 1 to 20,293,397,280 would take you about one thousand, two hundred ninety 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 20293397280 cubic inches would be around 227.3 feet tall.

Recreational maths with 20293397280

• 20293397280 backwards is 08279339202
• 20293397280 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20293397280's digits is 45
• More coming soon!