12747843440

Names of 12747843440

• Cardinal: 12747843440 can be written as Twelve billion, seven hundred forty-seven million, eight hundred forty-three thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.274784344 × 10¹⁰

Factors of 12747843440

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 569

Divisors of 12747843440

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 5 8 10 16 20 40 61 67 80 122 127 134 244 254 268 305 307 335 488 508 536 610 614 635 670 976 1016 1072 1220 1228 1270 1340 1535 2032 2440 2456 2540 2680 3070 4087 4880 4912 5080 5360 6140 7747 8174 8509 10160 12280 15494 16348 17018 18727 20435 20569 24560 30988 32696 34036 37454 38735 38989 40870 41138 42545 61976 65392 68072 74908 77470 77978 81740 82276 85090 93635 102845 123952 136144 149816 154940 155956 163480 164552 170180 187270 194945 205690 299632 309880 311912 326960 329104 340360 374540 389890 411380 519049 619760 623824 680720 749080 779780 822760 1038098 1254709 1498160 1559560 1645520 2076196 2378329 2509418 2595245 2612263 3119120 4152392 4756658 5018836 5190490 5224526 6273545 8304784 9513316 10037672 10380980 10449052 11891645 12547090 13061315 19026632 20075344 20761960 20898104 23783290 25094180 26122630 38053264 41523920 41796208 47566580 50188360 52245260 95133160 100376720 104490520 159348043 190266320 208981040 318696086 637392172 796740215 1274784344 1593480430 2549568688 3186960860 6373921720 12747843440
• Sum of all divisors σ(n): 30915354624
• Sum of proper divisors (its aliquot sum) s(n): 18167511184
• 12747843440 is an abundant number, because the sum of its proper divisors (18167511184) is greater than itself. Its abundance is 5419667744

Bases of 12747843440

• Binary: 1011110111110101001010011101110000₂
• Hexadecimal: 0x2F7D4A770
• Base-36: 5UTQIY8

Squares and roots of 12747843440

• 12747843440 squared (12747843440²) is 162507512370751033600
• 12747843440 cubed (12747843440³) is 2071620325526197411550979584000
• The square root of 12747843440 is 112906.3480943387
• The cube root of 12747843440 is 2336.0326422771

Scales and comparisons

• 12,747,843,440 seconds is equal to 405 years, 17 weeks, 5 days, 11 hours, 37 minutes, 20 seconds.
• To count from 1 to 12,747,843,440 would take you about eight hundred ten 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 12747843440 cubic inches would be around 194.7 feet tall.

Recreational maths with 12747843440

• 12747843440 backwards is 04434874721
• The number of decimal digits it has is: 11
• The sum of 12747843440's digits is 44
• More coming soon!