18768966840

Names of 18768966840

• Cardinal: 18768966840 can be written as Eighteen billion, seven hundred sixty-eight million, nine hundred sixty-six thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.876896684 × 10¹⁰

Factors of 18768966840

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 588

Divisors of 18768966840

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 18 19 20 24 26 27 30 36 38 39 40 45 47 52 54 57 60 65 72 76 78 81 90 94 95 104 108 114 117 120 130 135 141 152 156 162 171 180 188 190 195 216 228 234 235 247 260 270 282 285 312 324 342 351 360 376 380 390 405 423 456 468 470 494 499 513 520 540 564 570 585 611 648 684 702 705 741 760 780 810 846 855 893 936 940 988 998 1026 1053 1080 1128 1140 1170 1222 1235 1269 1368 1404 1410 1482 1497 1539 1560 1620 1692 1710 1755 1786 1833 1880 1976 1996 2052 2106 2115 2223 2280 2340 2444 2470 2495 2538 2565 2679 2808 2820 2964 2994 3055 3078 3240 3384 3420 3510 3572 3666 3705 3807 3992 4104 4212 4230 4446 4465 4491 4680 4888 4940 4990 5076 5130 5265 5358 5499 5640 5928 5988 6110 6156 6345 6487 6669 6840 7020 7144 7332 7410 7485 7614 7695 8037 8424 8460 8892 8930 8982 9165 9481 9880 9980 10152 10260 10530 10716 10998 11115 11609 11976 12220 12312 12690 12974 13338 13395 13473 14040 14664 14820 14970 15228 15390 16074 16497 16920 17784 17860 17964 18330 18962 19035 19461 19960 20007 20520 21060 21432 21996 22230 22455 23218 23453 24111 24440 25380 25948 26676 26790 26946 27495 28443 29640 29940 30456 30780 32148 32435 32994 33345 34827 35720 35928 36660 37924 38070 38922 40014 40185 40419 42120 43992 44460 44910 46436 46906 47405 48222 49491 50760 51896 53352 53580 53892 54990 56886 58045 58383 59880 61560 64296 64870 65988 66690 67365 69654 70359 72333 73320 75848 76140 77844 80028 80370 80838 82485 85329 88920 89820 92872 93812 94810 96444 97305 98982 100035 104481 107160 107784 109980 113772 116090 116766 117265 120555 123253 129740 131976 133380 134730 139308 140718 142215 144666 152280 155688 160056 160740 161676 164970 170658 174135 175149 179640 187624 189620 192888 194610 197964 200070 202095 208962 211077 219960 227544 232180 233532 234530 241110 246506 247455 255987 259480 266760 269460 278616 281436 284430 289332 291915 304889 313443 321480 323352 329940 341316 348270 350298 351795 361665 369759 379240 389220 395928 400140 404190 417924 422154 426645 445607 464360 467064 469060 482220 493012 494910 511974 522405 525447 538920 562872 568860 578664 583830 609778 616265 626886 633231 659880 682632 696540 700596 703590 723330 739518 767961 778440 800280 808380 835848 844308 853290 875745 891214 914667 938120 940329 964440 986024 989820 1023948 1044810 1050894 1055385 1109277 1137720 1167660 1219556 1232530 1253772 1266462 1279935 1336821 1393080 1401192 1407180 1446660 1479036 1524445 1535922 1567215 1616760 1688616 1706580 1751490 1782428 1829334 1848795 1880658 1899693 1979640 2047896 2089620 2101788 2110770 2218554 2228035 2335320 2439112 2465060 2507544 2532924 2559870 2627235 2673642 2744001 2814360 2893320 2958072 3048890 3071844 3134430 3166155 3327831 3413160 3502980 3564856 3658668 3697590 3761316 3799386 3839805 4010463 4179240 4203576 4221540 4437108 4456070 4573335 4701645 4930120 5065848 5119740 5254470 5347284 5488002 5546385 5792891 6097780 6143688 6268860 6332310 6655662 6684105 7005960 7317336 7395180 7522632 7598772 7679610 8020926 8232003 8443080 8874216 8912140 9146670 9403290 9498465 9983493 10239480 10508940 10694568 10976004 11092770 11585782 12031389 12195560 12537720 12664620 13311324 13368210 13720005 14790360 15197544 15359220 16041852 16464006 16639155 17378673 17824280 18293340 18806580 18996930 19966986 20052315 21017880 21952008 22185540 23171564 24062778 24696009 25329240 26622648 26736420 27440010 28964455 30718440 32083704 32928012 33278310 34757346 36094167 36586680 37613160 37993860 39933972 40104630 41160015 44371080 46343128 48125556 49392018 49917465 52136019 53472840 54880020 57928910 60156945 65856024 66556620 69514692 72188334 75987720 79867944 80209260 82320030 86893365 96251112 98784036 99834930 104272038 109760040 115857820 120313890 123480045 133113240 139029384 144376668 156408057 160418520 164640060 173786730 180470835 197568072 199669860 208544076 231715640 240627780 246960090 260680095 288753336 312816114 329280120 347573460 360941670 399339720 417088152 469224171 481255560 493920180 521360190 625632228 695146920 721883340 782040285 938448342 987840360 1042720380 1251264456 1443766680 1564080570 1876896684 2085440760 2346120855 3128161140 3753793368 4692241710 6256322280 9384483420 18768966840
• Sum of all divisors σ(n): 73180800000
• Sum of proper divisors (its aliquot sum) s(n): 54411833160
• 18768966840 is an abundant number, because the sum of its proper divisors (54411833160) is greater than itself. Its abundance is 35642866320

Bases of 18768966840

• Binary: 10001011110101101111011010010111000₂
• Hexadecimal: 0x45EB7B4B8
• Base-36: 8MEK3I0

Squares and roots of 18768966840

• 18768966840 squared (18768966840²) is 352274116241019585600
• 18768966840 cubed (18768966840³) is 6611821206318002049916941504000
• The square root of 18768966840 is 136999.8789780487
• The cube root of 18768966840 is 2657.5419110787

Scales and comparisons

• 18,768,966,840 seconds is equal to 596 years, 41 weeks, 2 days, 9 hours, 54 minutes.
• To count from 1 to 18,768,966,840 would take you about one thousand, one hundred ninety-three 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 18768966840 cubic inches would be around 221.5 feet tall.

Recreational maths with 18768966840

• 18768966840 backwards is 04866986781
• The number of decimal digits it has is: 11
• The sum of 18768966840's digits is 63
• More coming soon!