12640899040

Names of 12640899040

• Cardinal: 12640899040 can be written as Twelve billion, six hundred forty million, eight hundred ninety-nine thousand and forty.

Scientific notation

• Scientific notation: 1.264089904 × 10¹⁰

Factors of 12640899040

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2583

Divisors of 12640899040

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 16 20 22 28 32 35 37 40 44 55 56 70 74 77 80 88 110 112 121 140 148 154 160 176 185 220 224 242 259 280 296 308 352 370 385 407 440 484 518 560 592 605 616 740 770 814 847 880 968 1036 1120 1184 1210 1232 1295 1480 1540 1628 1694 1760 1936 2035 2072 2420 2464 2521 2590 2849 2960 3080 3256 3388 3872 4070 4144 4235 4477 4840 5042 5180 5698 5920 6160 6512 6776 8140 8288 8470 8954 9680 10084 10360 11396 12320 12605 13024 13552 14245 16280 16940 17647 17908 19360 20168 20720 22385 22792 25210 27104 27731 28490 31339 32560 33880 35294 35816 40336 41440 44770 45584 50420 55462 56980 62678 65120 67760 70588 71632 80672 88235 89540 91168 93277 100840 110924 113960 125356 135520 138655 141176 143264 156695 176470 179080 186554 194117 201680 221848 227920 250712 277310 282352 305041 313390 352940 358160 373108 388234 403360 443696 455840 466385 501424 554620 564704 610082 626780 652939 705880 716320 746216 776468 887392 932770 970585 1002848 1026047 1109240 1220164 1253560 1305878 1411760 1492432 1525205 1552936 1865540 1941170 2052094 2135287 2218480 2440328 2507120 2611756 2823520 2984864 3050410 3105872 3264695 3731080 3882340 4104188 4270574 4436960 4880656 5014240 5130235 5223512 6100820 6211744 6529390 7182329 7462160 7764680 8208376 8541148 9761312 10260470 10447024 10676435 11286517 12201640 13058780 14364658 14924320 15529360 16416752 17082296 20520940 20894048 21352870 22573034 24403280 26117560 28729316 31058720 32833504 34164592 35911645 41041880 42705740 45146068 48806560 52235120 56432585 57458632 68329184 71823290 79005619 82083760 85411480 90292136 104470240 112865170 114917264 143646580 158011238 164167520 170822960 180584272 225730340 229834528 287293160 316022476 341645920 361168544 395028095 451460680 574586320 632044952 790056190 902921360 1149172640 1264089904 1580112380 1805842720 2528179808 3160224760 6320449520 12640899040
• Sum of all divisors σ(n): 38544472512
• Sum of proper divisors (its aliquot sum) s(n): 25903573472
• 12640899040 is an abundant number, because the sum of its proper divisors (25903573472) is greater than itself. Its abundance is 13262674432

Bases of 12640899040

• Binary: 1011110001011101001100111111100000₂
• Hexadecimal: 0x2F174CFE0
• Base-36: 5T22C4G

Squares and roots of 12640899040

• 12640899040 squared (12640899040²) is 159792328539472921600
• 12640899040 cubed (12640899040³) is 2019918692433987856759435264000
• The square root of 12640899040 is 112431.7528103161
• The cube root of 12640899040 is 2329.4817957643

Scales and comparisons

• 12,640,899,040 seconds is equal to 401 years, 48 weeks, 6 days, 16 hours, 50 minutes, 40 seconds.
• To count from 1 to 12,640,899,040 would take you about eight hundred three 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 12640899040 cubic inches would be around 194.1 feet tall.

Recreational maths with 12640899040

• 12640899040 backwards is 04099804621
• The number of decimal digits it has is: 11
• The sum of 12640899040's digits is 43
• More coming soon!