12678704640

Names of 12678704640

• Cardinal: 12678704640 can be written as Twelve billion, six hundred seventy-eight million, seven hundred four thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.267870464 × 10¹⁰

Factors of 12678704640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 763

Divisors of 12678704640

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 32 35 36 40 42 45 48 56 60 63 64 70 72 80 84 90 96 105 112 120 126 127 128 140 144 160 168 180 192 210 224 240 252 254 256 280 288 315 320 336 360 381 384 420 448 480 504 508 512 560 576 619 630 635 640 672 720 762 768 840 889 896 960 1008 1016 1120 1143 1152 1238 1260 1270 1280 1344 1440 1524 1536 1680 1778 1792 1857 1905 1920 2016 2032 2240 2286 2304 2476 2520 2540 2560 2667 2688 2880 3048 3095 3360 3556 3584 3714 3810 3840 4032 4064 4333 4445 4480 4572 4608 4952 5040 5080 5334 5376 5571 5715 5760 6096 6190 6720 7112 7428 7620 7680 8001 8064 8128 8666 8890 8960 9144 9285 9904 10080 10160 10668 10752 11142 11430 11520 12192 12380 12999 13335 13440 14224 14856 15240 16002 16128 16256 17332 17780 17920 18288 18570 19808 20160 20320 21336 21665 22284 22860 23040 24384 24760 25998 26670 26880 27855 28448 29712 30480 32004 32256 32512 34664 35560 36576 37140 38997 39616 40005 40320 40640 42672 43330 44568 45720 48768 49520 51996 53340 53760 55710 56896 59424 60960 64008 64995 65024 69328 71120 73152 74280 77994 78613 79232 80010 80640 81280 85344 86660 89136 91440 97536 99040 103992 106680 111420 113792 118848 121920 128016 129990 138656 142240 146304 148560 155988 157226 158464 160020 161280 162560 170688 173320 178272 182880 194985 195072 198080 207984 213360 222840 227584 235839 237696 243840 256032 259980 277312 284480 292608 297120 311976 314452 316928 320040 325120 341376 346640 356544 365760 389970 393065 396160 415968 426720 445680 455168 471678 475392 487680 512064 519960 550291 554624 568960 585216 594240 623952 628904 640080 682752 693280 707517 713088 731520 779940 786130 792320 831936 853440 891360 943356 950784 975360 1024128 1039920 1100582 1109248 1137920 1179195 1188480 1247904 1257808 1280160 1365504 1386560 1415034 1426176 1463040 1559880 1572260 1584640 1650873 1663872 1706880 1782720 1886712 2048256 2079840 2201164 2218496 2275840 2358390 2376960 2495808 2515616 2560320 2751455 2773120 2830068 2852352 2926080 3119760 3144520 3301746 3327744 3413760 3537585 3565440 3773424 4096512 4159680 4402328 4716780 4753920 4952619 4991616 5031232 5120640 5502910 5546240 5660136 6239520 6289040 6603492 6655488 6827520 7075170 7130880 7546848 8254365 8319360 8804656 9433560 9905238 9983232 10062464 10241280 11005820 11092480 11320272 12479040 12578080 13206984 14150340 14261760 15093696 16508730 16638720 17609312 18867120 19810476 19966464 20124928 20482560 22011640 22640544 24763095 24958080 25156160 26413968 28300680 30187392 33017460 33277440 35218624 37734240 39620952 40249856 44023280 45281088 49526190 49916160 50312320 52827936 56601360 60374784 66034920 70437248 75468480 79241904 88046560 90562176 99052380 99832320 100624640 105655872 113202720 120749568 132069840 140874496 150936960 158483808 176093120 181124352 198104760 201249280 211311744 226405440 264139680 281748992 301873920 316967616 352186240 362248704 396209520 422623488 452810880 528279360 603747840 633935232 704372480 792419040 845246976 905621760 1056558720 1267870464 1408744960 1584838080 1811243520 2113117440 2535740928 3169676160 4226234880 6339352320 12678704640
• Sum of all divisors σ(n): 50659614720
• Sum of proper divisors (its aliquot sum) s(n): 37980910080
• 12678704640 is an abundant number, because the sum of its proper divisors (37980910080) is greater than itself. Its abundance is 25302205440

Bases of 12678704640

• Binary: 1011110011101101011010111000000000₂
• Hexadecimal: 0x2F3B5AE00
• Base-36: 5TOKN40

Squares and roots of 12678704640

• 12678704640 squared (12678704640²) is 160749551348357529600
• 12678704640 cubed (12678704640³) is 2038096082558338866918457344000
• The square root of 12678704640 is 112599.7541737991
• The cube root of 12678704640 is 2331.8017733429

Scales and comparisons

• 12,678,704,640 seconds is equal to 403 years, 7 weeks, 3 days, 6 hours, 24 minutes.
• To count from 1 to 12,678,704,640 would take you about eight hundred six 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 12678704640 cubic inches would be around 194.3 feet tall.

Recreational maths with 12678704640

• 12678704640 backwards is 04640787621
• 12678704640 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12678704640's digits is 45
• More coming soon!