40640703390

Names of 40640703390

• Cardinal: 40640703390 can be written as Forty billion, six hundred forty million, seven hundred three thousand, three hundred ninety.

Scientific notation

• Scientific notation: 4.064070339 × 10¹⁰

Factors of 40640703390

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 645

Divisors of 40640703390

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 49 63 70 90 98 105 126 137 147 210 245 274 294 315 411 441 490 491 630 685 735 822 882 959 982 1233 1370 1470 1473 1918 2055 2205 2455 2466 2877 2946 3437 4110 4410 4419 4795 4910 5754 6165 6713 6874 7365 8631 8838 9590 10311 12330 13426 14385 14730 17185 17262 18769 20139 20622 22095 24059 28770 30933 33565 34370 37538 40278 43155 44190 48118 51555 56307 60417 61866 67130 67267 72177 86310 93845 100695 103110 112614 120295 120834 131383 134534 144354 154665 168921 187690 201390 201801 216531 240590 262766 281535 302085 309330 336335 337842 360885 394149 403602 433062 470869 563070 604170 605403 656915 672670 721770 788298 844605 919681 941738 1009005 1082655 1182447 1210806 1313830 1412607 1689210 1839362 1970745 2018010 2165310 2354345 2364894 2759043 2825214 3027015 3296083 3941490 4237821 4598405 4708690 5518086 5912235 6054030 6592166 7063035 8277129 8475642 9196810 9215579 9888249 11824470 13795215 14126070 16480415 16554258 18431158 19776498 21189105 27590430 27646737 29664747 32960830 41385645 42378210 46077895 49441245 55293474 59329494 64509053 82771290 82940211 92155790 98882490 129018106 138233685 148323735 165880422 193527159 276467370 296647470 322545265 387054318 414701055 451563371 580581477 645090530 829402110 903126742 967635795 1161162954 1354690113 1935271590 2257816855 2709380226 2902907385 4064070339 4515633710 5805814770 6773450565 8128140678 13546901130 20320351695 40640703390
• Sum of all divisors σ(n): 124073330472
• Sum of proper divisors (its aliquot sum) s(n): 83432627082
• 40640703390 is an abundant number, because the sum of its proper divisors (83432627082) is greater than itself. Its abundance is 42791923692

Bases of 40640703390

• Binary: 100101110110010111111110101110011110₂
• Hexadecimal: 0x9765FEB9E
• Base-36: IO4FBFI

Squares and roots of 40640703390

• 40640703390 squared (40640703390²) is 1651666772033957492100
• 40640703390 cubed (40640703390³) is 67124899381350813444304368219000
• The square root of 40640703390 is 201595.3952599117
• The cube root of 40640703390 is 3438.1150489375

Scales and comparisons

• 40,640,703,390 seconds is equal to 1,292 years, 12 weeks, 6 days, 12 hours, 16 minutes, 30 seconds.
• To count from 1 to 40,640,703,390 would take you about two thousand, five hundred eighty-four 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 40640703390 cubic inches would be around 286.5 feet tall.

Recreational maths with 40640703390

• 40640703390 backwards is 09330704604
• The number of decimal digits it has is: 11
• The sum of 40640703390's digits is 36
• More coming soon!