8207402940

Names of 8207402940

• Cardinal: 8207402940 can be written as Eight billion, two hundred seven million, four hundred two thousand, nine hundred forty.

Scientific notation

• Scientific notation: 8.20740294 × 10⁹

Factors of 8207402940

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 405

Divisors of 8207402940

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 5 6 9 10 11 12 15 18 20 22 30 33 36 44 45 55 60 66 90 99 110 127 132 165 180 198 220 254 257 330 381 396 495 508 514 635 660 762 771 990 1028 1143 1270 1285 1397 1524 1542 1905 1980 2286 2313 2540 2570 2794 2827 3084 3810 3855 4191 4572 4626 5140 5588 5654 5715 6985 7620 7710 8382 8481 9252 11308 11430 11565 12573 13970 14135 15420 16129 16764 16962 20955 22860 23130 25146 25443 27940 28270 32258 32639 33924 41910 42405 46260 48387 50292 50886 56540 62865 64516 65278 80645 83820 84810 96774 97917 101772 125730 127215 130556 145161 161290 163195 169620 177419 193548 195834 241935 251460 254430 290322 293751 322580 326390 354838 359029 391668 483870 489585 508860 532257 580644 587502 652780 709676 718058 725805 887095 967740 979170 1064514 1077087 1175004 1436116 1451610 1468755 1596771 1774190 1795145 1958340 2129028 2154174 2661285 2903220 2937510 3193542 3231261 3548380 3590290 4145153 4308348 5322570 5385435 5875020 6387084 6462522 7180580 7983855 8290306 10645140 10770870 12435459 12925044 15967710 16156305 16580612 20725765 21541740 24870918 31935420 32312610 37306377 41451530 45596683 49741836 62177295 64625220 74612754 82903060 91193366 124354590 136790049 149225508 182386732 186531885 227983415 248709180 273580098 373063770 410370147 455966830 547160196 683950245 746127540 820740294 911933660 1367900490 1641480588 2051850735 2735800980 4103701470 8207402940
• Sum of all divisors σ(n): 27481092912
• Sum of proper divisors (its aliquot sum) s(n): 19273689972
• 8207402940 is an abundant number, because the sum of its proper divisors (19273689972) is greater than itself. Its abundance is 11066287032

Bases of 8207402940

• Binary: 111101001001100110000011110111100₂
• Hexadecimal: 0x1E93307BC
• Base-36: 3RQH4N0

Squares and roots of 8207402940

• 8207402940 squared (8207402940²) is 67361463019520643600
• 8207402940 cubed (8207402940³) is 552862669629115007673332184000
• The square root of 8207402940 is 90594.7180579531
• The cube root of 8207402940 is 2017.1363320495

Scales and comparisons

• 8,207,402,940 seconds is equal to 260 years, 50 weeks, 3 days, 2 hours, 9 minutes.
• To count from 1 to 8,207,402,940 would take you about five hundred twenty-one 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 8207402940 cubic inches would be around 168.1 feet tall.

Recreational maths with 8207402940

• 8207402940 backwards is 0492047028
• 8207402940 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 8207402940's digits is 36
• More coming soon!