12807900

Names of 12807900

• Cardinal: 12807900 can be written as Twelve million, eight hundred seven thousand, nine hundred.

Scientific notation

• Scientific notation: 1.28079 × 10⁷

Factors of 12807900

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 143

Divisors of 12807900

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 19 20 21 25 28 30 35 36 38 42 45 50 57 60 63 70 75 76 84 90 95 100 105 107 114 126 133 140 150 171 175 180 190 210 214 225 228 252 266 285 300 315 321 342 350 380 399 420 428 450 475 525 532 535 570 630 642 665 684 700 749 798 855 900 950 963 1050 1070 1140 1197 1260 1284 1330 1425 1498 1575 1596 1605 1710 1900 1926 1995 2033 2100 2140 2247 2394 2660 2675 2850 2996 3150 3210 3325 3420 3745 3852 3990 4066 4275 4494 4788 4815 5350 5700 5985 6099 6300 6420 6650 6741 7490 7980 8025 8132 8550 8988 9630 9975 10165 10700 11235 11970 12198 13300 13482 14231 14980 16050 17100 18297 18725 19260 19950 20330 22470 23940 24075 24396 26964 28462 29925 30495 32100 33705 36594 37450 39900 40660 42693 44940 48150 50825 56175 56924 59850 60990 67410 71155 73188 74900 85386 91485 96300 101650 112350 119700 121980 128079 134820 142310 152475 168525 170772 182970 203300 213465 224700 256158 284620 304950 337050 355775 365940 426930 457425 512316 609900 640395 674100 711550 853860 914850 1067325 1280790 1423100 1829700 2134650 2561580 3201975 4269300 6403950 12807900
• Sum of all divisors σ(n): 48746880
• Sum of proper divisors (its aliquot sum) s(n): 35938980
• 12807900 is an abundant number, because the sum of its proper divisors (35938980) is greater than itself. Its abundance is 23131080

Bases of 12807900

• Binary: 110000110110111011011100₂
• Hexadecimal: 0xC36EDC
• Base-36: 7MIN0

Squares and roots of 12807900

• 12807900 squared (12807900²) is 164042302410000
• 12807900 cubed (12807900³) is 2101037405037039000000
• The square root of 12807900 is 3578.8126522633
• The cube root of 12807900 is 233.9695336183

Scales and comparisons

• 12,807,900 seconds is equal to 21 weeks, 1 day, 5 hours, 45 minutes.
• To count from 1 to 12,807,900 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 12807900 cubic inches would be around 19.5 feet tall.

Recreational maths with 12807900

• 12807900 backwards is 00970821
• The number of decimal digits it has is: 8
• The sum of 12807900's digits is 27
• More coming soon!