815380424320

Names of 815380424320

• Cardinal: 815380424320 can be written as Eight hundred fifteen billion, three hundred eighty million, four hundred twenty-four thousand, three hundred twenty.

Scientific notation

• Scientific notation: 8.1538042432 × 10¹¹

Factors of 815380424320

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 16545894

Divisors of 815380424320

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 16 20 22 28 32 35 40 44 55 56 64 70 77 80 88 110 112 128 140 154 160 176 220 224 280 308 320 352 385 440 448 560 616 640 704 770 880 896 1120 1232 1408 1540 1760 2240 2464 3080 3520 4480 4928 6160 7040 9856 12320 24640 49280 16545869 33091738 66183476 82729345 115821083 132366952 165458690 182004559 231642166 264733904 330917380 364009118 463284332 529467808 579105415 661834760 728018236 910022795 926568664 1058935616 1158210830 1274031913 1323669520 1456036472 1820045590 1853137328 2117871232 2316421660 2548063826 2647339040 2912072944 3640091180 3706274656 4632843320 5096127652 5294678080 5824145888 6370159565 7280182360 7412549312 9265686640 10192255304 10589356160 11648291776 12740319130 14560364720 14825098624 18531373280 20384510608 23296583552 25480638260 29120729440 37062746560 40769021216 50961276520 58241458880 74125493120 81538042432 101922553040 116482917760 163076084864 203845106080 407690212160 815380424320
• Sum of all divisors σ(n): 2430257385600
• Sum of proper divisors (its aliquot sum) s(n): 1614876961280
• 815380424320 is an abundant number, because the sum of its proper divisors (1614876961280) is greater than itself. Its abundance is 799496536960

Bases of 815380424320

• Binary: 1011110111011000011101011110011010000000₂
• Hexadecimal: 0xBDD875E680
• Base-36: AEKWG9Z4

Squares and roots of 815380424320

• 815380424320 squared (815380424320²) is 664845236364263247462400
• 815380424320 cubed (815380424320³) is 542101790933823660800072875245568000
• The square root of 815380424320 is 902984.1772257141
• The cube root of 815380424320 is 9342.2917751483

Scales and comparisons

• 815,380,424,320 seconds is equal to 25,926 years, 29 weeks, 6 days, 10 hours, 18 minutes, 40 seconds.
• To count from 1 to 815,380,424,320 would take you about fifty-one thousand, eight hundred fifty-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 815380424320 cubic inches would be around 778.5 feet tall.

Recreational maths with 815380424320

• 815380424320 backwards is 023424083518
• 815380424320 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 815380424320's digits is 40
• More coming soon!