8040780020

Names of 8040780020

• Cardinal: 8040780020 can be written as Eight billion, forty million, seven hundred eighty thousand and twenty.

Scientific notation

• Scientific notation: 8.04078002 × 10⁹

Factors of 8040780020

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 20035

Divisors of 8040780020

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 7 10 13 14 17 20 26 28 34 35 52 65 68 70 85 91 119 130 140 169 170 182 221 238 260 338 340 364 442 455 476 595 676 845 884 910 1105 1183 1190 1547 1690 1820 2210 2366 2380 2873 3094 3380 4420 4732 5746 5915 6188 7735 11492 11830 14365 15470 19991 20111 23660 28730 30940 39982 40222 57460 79964 80444 99955 100555 139937 199910 201110 259883 279874 339847 399820 402220 519766 559748 679694 699685 1039532 1299415 1359388 1399370 1699235 1819181 2378929 2598830 2798740 3378479 3398470 3638362 4418011 4757858 5197660 6756958 6796940 7276724 8836022 9095905 9515716 11894645 13513916 16892395 17672044 18191810 22090055 23649353 23789290 30926077 33784790 36383620 44180110 47298706 47578580 57434143 61852154 67569580 88360220 94597412 114868286 118246765 123704308 154630385 229736572 236493530 287170715 309260770 402039001 472987060 574341430 618521540 804078002 1148682860 1608156004 2010195005 4020390010 8040780020
• Sum of all divisors σ(n): 22126825728
• Sum of proper divisors (its aliquot sum) s(n): 14086045708
• 8040780020 is an abundant number, because the sum of its proper divisors (14086045708) is greater than itself. Its abundance is 6045265688

Bases of 8040780020

• Binary: 111011111010001001001000011110100₂
• Hexadecimal: 0x1DF4490F4
• Base-36: 3OZ9TKK

Squares and roots of 8040780020

• 8040780020 squared (8040780020²) is 64654143330031200400
• 8040780020 cubed (8040780020³) is 519869743898331142152936008000
• The square root of 8040780020 is 89670.3965643065
• The cube root of 8040780020 is 2003.3925769569

Scales and comparisons

• 8,040,780,020 seconds is equal to 255 years, 34 weeks, 6 days, 14 hours, 20 seconds.
• To count from 1 to 8,040,780,020 would take you about five hundred eleven 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 8040780020 cubic inches would be around 166.9 feet tall.

Recreational maths with 8040780020

• 8040780020 backwards is 0200870408
• The number of decimal digits it has is: 10
• The sum of 8040780020's digits is 29
• More coming soon!