12729608320

Names of 12729608320

• Cardinal: 12729608320 can be written as Twelve billion, seven hundred twenty-nine million, six hundred eight thousand, three hundred twenty.

Scientific notation

• Scientific notation: 1.272960832 × 10¹⁰

Factors of 12729608320

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 139122

Divisors of 12729608320

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 5 8 10 11 13 16 20 22 26 32 40 44 52 55 64 65 80 88 104 110 128 130 143 160 176 208 220 260 286 320 352 416 440 520 572 640 704 715 832 880 1040 1144 1408 1430 1664 1760 2080 2288 2860 3520 4160 4576 5720 7040 8320 9152 11440 18304 22880 45760 91520 139091 278182 556364 695455 1112728 1390910 1530001 1808183 2225456 2781820 3060002 3616366 4450912 5563640 6120004 7232732 7650005 8901824 9040915 11127280 12240008 14465464 15300010 17803648 18081830 19890013 22254560 24480016 28930928 30600020 36163660 39780026 44509120 48960032 57861856 61200040 72327320 79560052 89018240 97920064 99450065 115723712 122400080 144654640 159120104 195840128 198900130 231447424 244800160 289309280 318240208 397800260 489600320 578618560 636480416 795600520 979200640 1157237120 1272960832 1591201040 2545921664 3182402080 6364804160 12729608320
• Sum of all divisors σ(n): 35752207680
• Sum of proper divisors (its aliquot sum) s(n): 23022599360
• 12729608320 is an abundant number, because the sum of its proper divisors (23022599360) is greater than itself. Its abundance is 10292991040

Bases of 12729608320

• Binary: 1011110110101111100110100010000000₂
• Hexadecimal: 0x2F6BE6880
• Base-36: 5UIVON4

Squares and roots of 12729608320

• 12729608320 squared (12729608320²) is 162042927980613222400
• 12729608320 cubed (12729608320³) is 2062743004219174874565050368000
• The square root of 12729608320 is 112825.5658970963
• The cube root of 12729608320 is 2334.9182534463

Scales and comparisons

• 12,729,608,320 seconds is equal to 404 years, 39 weeks, 4 days, 10 hours, 18 minutes, 40 seconds.
• To count from 1 to 12,729,608,320 would take you about eight hundred nine 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 12729608320 cubic inches would be around 194.6 feet tall.

Recreational maths with 12729608320

• 12729608320 backwards is 02380692721
• 12729608320 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12729608320's digits is 40
• More coming soon!