19742894640

Names of 19742894640

• Cardinal: 19742894640 can be written as Nineteen billion, seven hundred forty-two million, eight hundred ninety-four thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.974289464 × 10¹⁰

Factors of 19742894640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 507

Divisors of 19742894640

• Number of divisors d(n): 560
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 35 36 40 42 45 48 54 56 60 63 70 72 80 81 84 90 105 108 112 120 126 135 137 140 144 162 168 180 189 210 216 240 243 252 270 274 280 315 324 336 353 360 378 405 411 420 432 486 504 540 548 560 567 630 648 685 706 720 729 756 810 822 840 945 959 972 1008 1059 1080 1096 1134 1215 1233 1260 1296 1370 1412 1458 1512 1620 1644 1680 1701 1765 1890 1918 1944 2055 2118 2160 2192 2268 2430 2466 2471 2520 2740 2824 2835 2877 2916 3024 3177 3240 3288 3402 3530 3645 3699 3780 3836 3888 4110 4236 4536 4795 4860 4932 4942 5040 5103 5295 5480 5648 5670 5754 5832 6165 6354 6480 6576 6804 7060 7290 7398 7413 7560 7672 8220 8472 8505 8631 9072 9531 9590 9720 9864 9884 10206 10590 10960 11097 11340 11508 11664 12330 12355 12708 13608 14120 14385 14580 14796 14826 15120 15344 15885 16440 16944 17010 17262 18495 19062 19180 19440 19728 19768 20412 21180 22194 22239 22680 23016 24660 24710 25416 25515 25893 27216 28240 28593 28770 29160 29592 29652 31770 32880 33291 34020 34524 36990 37065 38124 38360 39536 40824 42360 43155 44388 44478 45360 46032 47655 48361 49320 49420 50832 51030 51786 55485 57186 57540 58320 59184 59304 63540 66582 66717 68040 69048 73980 74130 76248 76720 77679 81648 84720 85779 86310 88776 88956 95310 96722 98640 98840 99873 102060 103572 110970 111195 114372 115080 118608 127080 129465 133164 133434 136080 138096 142965 145083 147960 148260 152496 155358 166455 171558 172620 177552 177912 190620 193444 197680 199746 200151 204120 207144 221940 222390 228744 230160 233037 241805 254160 257337 258930 266328 266868 285930 290166 295920 296520 310716 332910 333585 338527 343116 345240 355824 381240 386888 388395 399492 400302 408240 414288 428895 435249 443880 444780 457488 466074 483610 499365 514674 517860 532656 533736 571860 580332 593040 600453 621432 665820 667170 677054 686232 690480 699111 725415 762480 773776 776790 798984 800604 857790 870498 887760 889560 932148 967220 998730 1000755 1015581 1029348 1035720 1067472 1143720 1160664 1165185 1200906 1242864 1286685 1305747 1331640 1334340 1354108 1372464 1398222 1450830 1553580 1597968 1601208 1692635 1715580 1740996 1779120 1801359 1864296 1934440 1997460 2001510 2031162 2058696 2071440 2176245 2287440 2321328 2330370 2401812 2573370 2611494 2663280 2668680 2708216 2796444 2901660 3002265 3046743 3107160 3202416 3385270 3431160 3481992 3495555 3602718 3728592 3868880 3917241 3994920 4003020 4062324 4117392 4352490 4660740 4803624 5077905 5146740 5222988 5337360 5416432 5592888 5803320 6004530 6093486 6214320 6528735 6770540 6862320 6963984 6991110 7205436 7834482 7989840 8006040 8124648 8704980 9006795 9140229 9321480 9607248 10155810 10293480 10445976 11185776 11606640 11751723 12009060 12186972 13057470 13541080 13982220 14410872 15233715 15668964 16012080 16249296 17409960 18013590 18280458 18642960 19586205 20311620 20586960 20891952 23503446 24018120 24373944 26114940 27082160 27420687 27964440 28821744 30467430 31337928 34819920 35255169 36027180 36560916 39172410 40623240 45701145 47006892 48036240 48747888 52229880 54841374 55928880 58758615 60934860 62675856 70510338 72054360 73121832 78344820 81246480 82262061 91402290 94013784 104459760 109682748 117517230 121869720 137103435 141020676 144108720 146243664 156689640 164524122 176275845 182804580 188027568 219365496 235034460 243739440 246786183 274206870 282041352 313379280 329048244 352551690 365609160 411310305 438730992 470068920 493572366 548413740 564082704 658096488 705103380 731218320 822620610 940137840 987144732 1096827480 1233930915 1316192976 1410206760 1645241220 1974289464 2193654960 2467861830 2820413520 3290482440 3948578928 4935723660 6580964880 9871447320 19742894640
• Sum of all divisors σ(n): 79452111168
• Sum of proper divisors (its aliquot sum) s(n): 59709216528
• 19742894640 is an abundant number, because the sum of its proper divisors (59709216528) is greater than itself. Its abundance is 39966321888

Bases of 19742894640

• Binary: 10010011000110001001010101000110000₂
• Hexadecimal: 0x498C4AA30
• Base-36: 92IER00

Squares and roots of 19742894640

• 19742894640 squared (19742894640²) is 389781888766140729600
• 19742894640 cubed (19742894640³) is 7695422762490116023905529344000
• The square root of 19742894640 is 140509.4112150499
• The cube root of 19742894640 is 2702.7358934661

Scales and comparisons

• 19,742,894,640 seconds is equal to 627 years, 39 weeks, 4 days, 17 hours, 24 minutes.
• To count from 1 to 19,742,894,640 would take you about one thousand, two hundred fifty-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 19742894640 cubic inches would be around 225.2 feet tall.

Recreational maths with 19742894640

• 19742894640 backwards is 04649824791
• 19742894640 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 19742894640's digits is 54
• More coming soon!