18127991700

Names of 18127991700

• Cardinal: 18127991700 can be written as Eighteen billion, one hundred twenty-seven million, nine hundred ninety-one thousand, seven hundred.

Scientific notation

• Scientific notation: 1.81279917 × 10¹⁰

Factors of 18127991700

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 948

Divisors of 18127991700

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 13 14 15 18 20 21 25 26 27 28 30 35 36 39 42 45 50 52 54 60 63 65 70 75 78 84 89 90 91 100 105 108 117 126 130 135 140 150 156 175 178 180 182 189 195 210 225 234 252 260 267 270 273 300 315 325 350 351 356 364 378 390 420 445 450 455 468 525 534 540 546 585 623 630 650 675 700 702 756 780 801 819 829 890 900 910 945 975 1050 1068 1092 1157 1170 1246 1260 1300 1335 1350 1365 1404 1575 1602 1638 1658 1755 1780 1820 1869 1890 1950 2100 2225 2275 2314 2340 2403 2457 2487 2492 2670 2700 2730 2925 3115 3150 3204 3276 3316 3471 3510 3738 3780 3900 4005 4095 4145 4450 4550 4628 4725 4806 4914 4974 5340 5460 5607 5785 5803 5850 6230 6300 6675 6825 6942 7020 7461 7476 8010 8099 8190 8290 8775 8900 9100 9345 9450 9612 9828 9948 10413 10777 11214 11570 11606 11700 12015 12285 12435 12460 13350 13650 13884 14922 15575 16020 16198 16380 16580 16821 17355 17409 17550 18690 18900 20025 20475 20725 20826 21554 22383 22428 23140 23212 24030 24297 24570 24870 26700 27300 28035 28925 29015 29844 31150 31239 32331 32396 33642 34710 34818 35100 37305 37380 40050 40495 40950 41450 41652 43108 44766 46725 48060 48594 49140 49740 52065 52227 53885 56070 57850 58030 60075 61425 62175 62300 62478 64662 67284 69420 69636 72891 73781 74610 75439 80100 80990 81900 82900 84105 86775 87045 89532 93450 96993 97188 104130 104454 107770 111915 112140 115700 116060 120150 121485 122850 124350 124956 129324 140175 145075 145782 147562 149220 150878 156195 156681 161655 161980 168210 173550 174090 186525 186900 193986 202475 208260 208908 215540 218673 221343 223830 226317 240300 242970 245700 248700 260325 261135 269425 280350 290150 290979 291564 295124 301756 312390 313362 323310 336420 347100 348180 364455 368905 373050 377195 387972 404950 420525 435225 437346 442686 447660 452634 484965 485940 516467 520650 522270 538850 559575 560700 580300 581958 607425 624780 626724 646620 664029 678951 728910 737810 746100 754390 780975 783405 808275 809900 841050 870450 874692 885372 905268 959153 969930 1032934 1041300 1044540 1077700 1093365 1106715 1119150 1131585 1163916 1214850 1305675 1328058 1357902 1454895 1457820 1475620 1508780 1549401 1561950 1566810 1616550 1682100 1740900 1822275 1844525 1885975 1918306 1939860 1992087 2036853 2065868 2186730 2213430 2238300 2263170 2424825 2429700 2582335 2611350 2656116 2715804 2877459 2909790 3098802 3123900 3133620 3233100 3320145 3394755 3644550 3689050 3771950 3836612 3917025 3984174 4073706 4373460 4426860 4526340 4648203 4795765 4849650 5164670 5222700 5466825 5533575 5657925 5754918 5819580 6197604 6640290 6714071 6789510 7274475 7289100 7378100 7543900 7747005 7834050 7968348 8147412 8632377 9296406 9591530 9699300 9960435 10184265 10329340 10933650 11067150 11315850 11509836 12911675 13280580 13428142 13579020 13944609 14387295 14548950 15494010 15668100 16600725 16973775 17264754 18592812 19183060 19920870 20142213 20368530 21867300 22134300 22631700 23241015 23978825 25823350 25897131 26856284 27889218 28774590 29097900 30988020 33201450 33570355 33947550 34529508 38735025 39841740 40284426 40737060 43161885 46482030 47957650 49802175 50921325 51646700 51794262 55778436 57549180 60426639 66402900 67140710 67895100 69723045 71936475 77470050 80568852 86323770 92964060 95915300 99604350 100711065 101842650 103588524 116205075 120853278 129485655 134281420 139446090 143872950 154940100 167851775 172647540 181279917 199208700 201422130 203685300 215809425 232410150 241706556 258971310 278892180 287745900 302133195 335703550 348615225 362559834 402844260 431618850 464820300 503555325 517942620 604266390 647428275 671407100 697230450 725119668 863237700 906399585 1007110650 1208532780 1294856550 1394460900 1510665975 1812799170 2014221300 2589713100 3021331950 3625598340 4531997925 6042663900 9063995850 18127991700
• Sum of all divisors σ(n): 72620352000
• Sum of proper divisors (its aliquot sum) s(n): 54492360300
• 18127991700 is an abundant number, because the sum of its proper divisors (54492360300) is greater than itself. Its abundance is 36364368600

Bases of 18127991700

• Binary: 10000111000100000110011001110010100₂
• Hexadecimal: 0x438833394
• Base-36: 8BSXRX0

Squares and roots of 18127991700

• 18127991700 squared (18127991700²) is 328624083075268890000
• 18127991700 cubed (18127991700³) is 5957294650408584913188213000000
• The square root of 18127991700 is 134640.2306147757
• The cube root of 18127991700 is 2626.9384538939

Scales and comparisons

• 18,127,991,700 seconds is equal to 576 years, 21 weeks, 3 days, 17 hours, 15 minutes.
• To count from 1 to 18,127,991,700 would take you about one thousand, one hundred fifty-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 18127991700 cubic inches would be around 218.9 feet tall.

Recreational maths with 18127991700

• 18127991700 backwards is 00719972181
• 18127991700 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18127991700's digits is 45
• More coming soon!