12841920

Names of 12841920

• Cardinal: 12841920 can be written as Twelve million, eight hundred forty-one thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.284192 × 10⁷

Factors of 12841920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 30

Divisors of 12841920

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 18 20 21 24 26 28 30 32 35 36 39 40 42 45 48 49 52 56 60 63 64 65 70 72 78 80 84 90 91 96 98 104 105 112 117 120 126 130 140 144 147 156 160 168 180 182 192 195 196 208 210 224 234 240 245 252 260 273 280 288 294 312 315 320 336 343 360 364 390 392 416 420 441 448 455 468 480 490 504 520 546 560 576 585 588 624 630 637 672 686 720 728 735 780 784 819 832 840 882 910 936 960 980 1008 1029 1040 1092 1120 1170 1176 1248 1260 1274 1344 1365 1372 1440 1456 1470 1560 1568 1638 1680 1715 1764 1820 1872 1911 1960 2016 2058 2080 2184 2205 2240 2340 2352 2496 2520 2548 2730 2744 2880 2912 2940 3087 3120 3136 3185 3276 3360 3430 3528 3640 3744 3822 3920 4032 4095 4116 4160 4368 4410 4459 4680 4704 5040 5096 5145 5460 5488 5733 5824 5880 6174 6240 6370 6552 6720 6860 7056 7280 7488 7644 7840 8190 8232 8736 8820 8918 9360 9408 9555 10080 10192 10290 10920 10976 11466 11760 12348 12480 12740 13104 13377 13720 14112 14560 15288 15435 15680 16380 16464 17472 17640 17836 18720 19110 20160 20384 20580 21840 21952 22295 22932 23520 24696 25480 26208 26754 27440 28224 28665 29120 30576 30870 32760 32928 35280 35672 37440 38220 40131 40768 41160 43680 44590 45864 47040 49392 50960 52416 53508 54880 57330 61152 61740 65520 65856 66885 70560 71344 76440 80262 82320 87360 89180 91728 98784 101920 107016 109760 114660 122304 123480 131040 133770 141120 142688 152880 160524 164640 178360 183456 197568 200655 203840 214032 229320 246960 262080 267540 285376 305760 321048 329280 356720 366912 401310 428064 458640 493920 535080 611520 642096 713440 802620 856128 917280 987840 1070160 1284192 1426880 1605240 1834560 2140320 2568384 3210480 4280640 6420960 12841920
• Sum of all divisors σ(n): 55473600
• Sum of proper divisors (its aliquot sum) s(n): 42631680
• 12841920 is an abundant number, because the sum of its proper divisors (42631680) is greater than itself. Its abundance is 29789760

Bases of 12841920

• Binary: 110000111111001111000000₂
• Hexadecimal: 0xC3F3C0
• Base-36: 7N8W0

Squares and roots of 12841920

• 12841920 squared (12841920²) is 164914909286400
• 12841920 cubed (12841920³) is 2117824071863205888000
• The square root of 12841920 is 3583.5624732939
• The cube root of 12841920 is 234.1765050063

Scales and comparisons

• 12,841,920 seconds is equal to 21 weeks, 1 day, 15 hours, 12 minutes.
• To count from 1 to 12,841,920 would take you about thirty-one 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 12841920 cubic inches would be around 19.5 feet tall.

Recreational maths with 12841920

• 12841920 backwards is 02914821
• The number of decimal digits it has is: 8
• The sum of 12841920's digits is 27
• More coming soon!