12178994490

Names of 12178994490

• Cardinal: 12178994490 can be written as Twelve billion, one hundred seventy-eight million, nine hundred ninety-four thousand, four hundred ninety.

Scientific notation

• Scientific notation: 1.217899449 × 10¹⁰

Factors of 12178994490

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 253

Divisors of 12178994490

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 5 6 9 10 13 15 18 19 26 27 30 31 38 39 43 45 54 57 62 65 78 86 90 93 95 114 117 129 130 135 137 155 171 186 190 195 215 234 247 258 270 274 279 285 310 342 351 387 390 403 411 430 465 494 513 558 559 570 585 589 645 685 702 741 774 806 817 822 837 855 930 1026 1118 1161 1170 1178 1209 1233 1235 1290 1333 1370 1395 1482 1634 1674 1677 1710 1755 1767 1781 1935 2015 2055 2223 2322 2418 2451 2466 2470 2565 2603 2666 2790 2795 2945 3354 3510 3534 3562 3627 3699 3705 3870 3999 4030 4085 4110 4185 4247 4446 4902 5031 5130 5206 5301 5343 5590 5805 5890 5891 6045 6165 6665 6669 7254 7353 7398 7410 7657 7809 7998 8170 8370 8385 8494 8835 8905 10062 10602 10621 10686 10881 11115 11610 11782 11997 12090 12255 12330 12741 13015 13330 13338 14706 15093 15314 15618 15903 16029 16770 17329 17670 17673 17810 18135 18495 19995 21235 21242 21762 22059 22230 22971 23427 23994 24510 25155 25327 25482 26030 26505 26715 29455 30186 31806 31863 32058 33345 33839 34658 35346 35991 36270 36765 36990 38223 38285 39045 39990 42470 44118 45942 46854 48087 50310 50654 51987 53010 53019 53105 53430 54405 55211 58910 59985 63705 63726 66690 67678 68913 70281 71982 73530 75465 75981 76446 76570 76583 78090 79515 80145 80693 86645 88365 95589 96174 101517 103974 106038 106210 108810 110295 110422 111929 114669 114855 117135 119970 126635 127410 137826 140562 150930 151962 153166 155961 159030 159057 159315 160290 161386 165633 169195 173290 176730 179955 182621 191115 191178 203034 206739 220590 223858 227943 229338 229710 229749 234270 240435 242079 253270 259935 265095 276055 286767 304551 311922 318114 318630 329251 331266 335787 338390 344565 351405 359910 365242 379905 382230 382915 403465 413478 455886 459498 467883 477945 480870 484158 496899 507585 519870 530190 547863 552110 559645 573345 573534 609102 658502 671574 683829 689130 689247 702810 726237 759810 765830 779805 795285 806930 828165 913105 913653 935766 955890 987753 993798 1007361 1015170 1033695 1049009 1095726 1119290 1139715 1146690 1148745 1210395 1367658 1378494 1433835 1452474 1455077 1490697 1522755 1559610 1590570 1643589 1646255 1656330 1678935 1826210 1827306 1975506 2014722 2067390 2067741 2098018 2178711 2279430 2297490 2339415 2374073 2420790 2484495 2739315 2867670 2910154 2963259 2981394 3022083 3045510 3147027 3287178 3292510 3357870 3419145 3446235 3469799 3631185 4135482 4357422 4365231 4568265 4678830 4748146 4930767 4938765 4968990 5036805 5245045 5478630 5926518 6044166 6294054 6838290 6892470 6939598 7122219 7262370 7275385 7453485 8217945 8730462 8889777 9136530 9441081 9861534 9877530 10073610 10338705 10409397 10490090 10893555 11870365 13095693 14244438 14550770 14816295 14906970 15110415 15735135 16435890 17348995 17779554 18882162 20677410 20818794 21366657 21787110 21826155 23740730 24653835 26191386 28323243 29632590 30220830 31228191 31470270 34697990 35611095 39287079 42733314 43652310 44448885 45107387 47205405 49307670 52046985 56646486 62456382 64099971 65478465 71222190 78574158 88897770 90214774 93684573 94410810 104093970 106833285 128199942 130956930 135322161 141616215 156140955 187369146 196435395 213666570 225536935 270644322 283232430 312281910 320499855 392870790 405966483 451073870 468422865 640999710 676610805 811932966 936845730 1217899449 1353221610 2029832415 2435798898 4059664830 6089497245 12178994490
• Sum of all divisors σ(n): 39171686400
• Sum of proper divisors (its aliquot sum) s(n): 26992691910
• 12178994490 is an abundant number, because the sum of its proper divisors (26992691910) is greater than itself. Its abundance is 14813697420

Bases of 12178994490

• Binary: 1011010101111011001011010100111010₂
• Hexadecimal: 0x2D5ECB53A
• Base-36: 5LF24AI

Squares and roots of 12178994490

• 12178994490 squared (12178994490²) is 148327906787450360100
• 12178994490 cubed (12178994490³) is 1806484759477591536806415849000
• The square root of 12178994490 is 110358.4817311293
• The cube root of 12178994490 is 2300.7555482471

Scales and comparisons

• 12,178,994,490 seconds is equal to 387 years, 13 weeks, 1 day, 14 hours, 1 minute, 30 seconds.
• To count from 1 to 12,178,994,490 would take you about seven hundred seventy-four 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 12178994490 cubic inches would be around 191.7 feet tall.

Recreational maths with 12178994490

• 12178994490 backwards is 09449987121
• 12178994490 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12178994490's digits is 54
• More coming soon!