12156480

Names of 12156480

• Cardinal: 12156480 can be written as Twelve million, one hundred fifty-six thousand, four hundred eighty.

Scientific notation

• Scientific notation: 1.215648 × 10⁷

Factors of 12156480

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 84

Divisors of 12156480

• Number of divisors d(n): 280
• 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 32 35 36 40 42 45 48 54 56 60 63 64 67 70 72 80 81 84 90 96 105 108 112 120 126 134 135 140 144 160 162 168 180 189 192 201 210 216 224 240 252 268 270 280 288 315 320 324 335 336 360 378 402 405 420 432 448 469 480 504 536 540 560 567 576 603 630 648 670 672 720 756 804 810 840 864 938 945 960 1005 1008 1072 1080 1120 1134 1206 1260 1296 1340 1344 1407 1440 1512 1608 1620 1680 1728 1809 1876 1890 2010 2016 2144 2160 2240 2268 2345 2412 2520 2592 2680 2814 2835 2880 3015 3024 3216 3240 3360 3618 3752 3780 4020 4032 4221 4288 4320 4536 4690 4824 5040 5184 5360 5427 5628 5670 6030 6048 6432 6480 6720 7035 7236 7504 7560 8040 8442 8640 9045 9072 9380 9648 10080 10720 10854 11256 11340 12060 12096 12663 12864 12960 14070 14472 15008 15120 16080 16884 18090 18144 18760 19296 20160 21105 21440 21708 22512 22680 24120 25326 25920 27135 28140 28944 30016 30240 32160 33768 36180 36288 37520 37989 38592 42210 43416 45024 45360 48240 50652 54270 56280 57888 60480 63315 64320 67536 72360 75040 75978 84420 86832 90048 90720 96480 101304 108540 112560 115776 126630 135072 144720 150080 151956 168840 173664 181440 189945 192960 202608 217080 225120 253260 270144 289440 303912 337680 347328 379890 405216 434160 450240 506520 578880 607824 675360 759780 810432 868320 1013040 1215648 1350720 1519560 1736640 2026080 2431296 3039120 4052160 6078240 12156480
• Sum of all divisors σ(n): 50157888
• Sum of proper divisors (its aliquot sum) s(n): 38001408
• 12156480 is an abundant number, because the sum of its proper divisors (38001408) is greater than itself. Its abundance is 25844928

Bases of 12156480

• Binary: 101110010111111001000000₂
• Hexadecimal: 0xB97E40
• Base-36: 78K00

Squares and roots of 12156480

• 12156480 squared (12156480²) is 147780005990400
• 12156480 cubed (12156480³) is 1796484687222177792000
• The square root of 12156480 is 3486.6144036871
• The cube root of 12156480 is 229.9336922909

Scales and comparisons

• 12,156,480 seconds is equal to 20 weeks, 16 hours, 48 minutes.
• To count from 1 to 12,156,480 would take you about thirty weeks!

  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 12156480 cubic inches would be around 19.2 feet tall.

Recreational maths with 12156480

• 12156480 backwards is 08465121
• 12156480 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 12156480's digits is 27
• More coming soon!