20378871240

Names of 20378871240

• Cardinal: 20378871240 can be written as Twenty billion, three hundred seventy-eight million, eight hundred seventy-one thousand, two hundred forty.

Scientific notation

• Scientific notation: 2.037887124 × 10¹⁰

Factors of 20378871240

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2073

Divisors of 20378871240

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 13 14 15 20 21 23 24 26 28 30 35 39 40 41 42 46 52 56 60 65 69 70 78 82 84 91 92 104 105 115 120 123 130 138 140 156 161 164 168 182 184 195 205 210 230 246 260 273 276 280 287 299 312 322 328 345 364 390 410 420 455 460 483 492 520 533 546 552 574 598 615 644 690 728 780 805 820 840 861 897 910 920 943 966 984 1066 1092 1148 1196 1230 1288 1365 1380 1435 1495 1560 1599 1610 1640 1722 1794 1820 1886 1932 1979 2093 2132 2184 2296 2392 2415 2460 2665 2730 2760 2829 2870 2990 3198 3220 3444 3588 3640 3731 3772 3864 3958 4186 4264 4305 4485 4715 4830 4920 5330 5460 5658 5740 5937 5980 6279 6396 6440 6601 6888 7176 7462 7544 7916 7995 8372 8610 8970 9430 9660 9895 10465 10660 10920 11193 11316 11480 11874 11960 12259 12558 12792 13202 13853 14145 14924 15832 15990 16744 17220 17940 18655 18860 19320 19790 19803 20930 21320 22386 22632 23748 24518 25116 25727 26404 27706 28290 29685 29848 31395 31980 33005 34440 35880 36777 37310 37720 39580 39606 41559 41860 44772 45517 47496 49036 50232 51454 52808 55412 55965 56580 59370 61295 62790 63960 66010 69265 73554 74620 77181 79160 79212 81139 83118 83720 85813 89544 91034 98072 99015 102908 110824 111930 113160 118740 122590 125580 128635 132020 136551 138530 147108 149240 154362 158424 162278 166236 171626 180089 182068 183885 198030 205816 207795 223860 227585 237480 243417 245180 251160 257270 257439 264040 273102 277060 294216 308724 318619 324556 332472 343252 360178 364136 367770 385905 396060 405695 415590 429065 447720 455170 486834 490360 514540 514878 540267 546204 554120 567973 591721 617448 637238 649112 682755 686504 720356 735540 771810 792120 811390 831180 858130 900445 910340 955857 973668 1029080 1029756 1054807 1080534 1092408 1135946 1183442 1217085 1274476 1287195 1365510 1440712 1471080 1543620 1593095 1622780 1662360 1703919 1716260 1775163 1800890 1820680 1866197 1911714 1947336 2059512 2109614 2161068 2271892 2366884 2434170 2548952 2574390 2701335 2731020 2839865 2958605 3087240 3164421 3186190 3245560 3407838 3432520 3550326 3601780 3732394 3823428 4142047 4219228 4322136 4543784 4733768 4779285 4868340 5148780 5274035 5402670 5462040 5598591 5679730 5917210 6328842 6372380 6815676 7100652 7203560 7383649 7464788 7646856 8284094 8438456 8519595 8875815 9330985 9558570 9736680 10297560 10548070 10805340 11197182 11359460 11834420 12426141 12657684 12744760 13063379 13631352 14201304 14767298 14929576 15822105 16568188 17039190 17751630 18661970 19117140 20710235 21096140 21610680 22150947 22394364 22718920 23668840 24260561 24852282 25315368 26126758 27992955 29534596 31644210 33136376 34078380 35503260 36918245 37323940 38234280 39190137 41420470 42192280 44301894 44788728 48521122 49704564 52253516 55985910 59069192 62130705 63288420 65316895 68156760 71006520 72781683 73836490 74647880 78380274 82840940 88603788 97042244 99409128 104507032 110754735 111971820 121302805 124261410 126576840 130633790 145563366 147672980 156760548 165681880 169823927 177207576 194084488 195950685 221509470 223943640 242605610 248522820 261267580 291126732 295345960 313521096 339647854 363908415 391901370 443018940 485211220 497045640 509471781 522535160 582253464 679295708 727816830 783802740 849119635 886037880 970422440 1018943562 1358591416 1455633660 1567605480 1698239270 2037887124 2547358905 2911267320 3396478540 4075774248 5094717810 6792957080 10189435620 20378871240
• Sum of all divisors σ(n): 80472268800
• Sum of proper divisors (its aliquot sum) s(n): 60093397560
• 20378871240 is an abundant number, because the sum of its proper divisors (60093397560) is greater than itself. Its abundance is 39714526320

Bases of 20378871240

• Binary: 10010111110101011001110010111001000₂
• Hexadecimal: 0x4BEACE5C8
• Base-36: 9D11XOO

Squares and roots of 20378871240

• 20378871240 squared (20378871240²) is 415298393016499137600
• 20378871240 cubed (20378871240³) is 8463312477462151120721442624000
• The square root of 20378871240 is 142754.5839544215
• The cube root of 20378871240 is 2731.4507551661

Scales and comparisons

• 20,378,871,240 seconds is equal to 647 years, 51 weeks, 1 day, 13 hours, 34 minutes.
• To count from 1 to 20,378,871,240 would take you about one thousand, two hundred ninety-five 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 20378871240 cubic inches would be around 227.6 feet tall.

Recreational maths with 20378871240

• 20378871240 backwards is 04217887302
• 20378871240 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20378871240's digits is 42
• More coming soon!