40399432656

Names of 40399432656

• Cardinal: 40399432656 can be written as Forty billion, three hundred ninety-nine million, four hundred thirty-two thousand, six hundred fifty-six.

Scientific notation

• Scientific notation: 4.0399432656 × 10¹⁰

Factors of 40399432656

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2059

Divisors of 40399432656

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 22 23 24 33 41 44 46 48 66 69 82 88 92 123 132 138 164 176 184 246 253 264 276 328 368 451 492 506 528 552 656 759 902 943 984 1012 1104 1353 1518 1681 1804 1886 1968 1979 2024 2706 2829 3036 3362 3608 3772 3958 4048 5043 5412 5658 5937 6072 6724 7216 7544 7916 10086 10373 10824 11316 11874 12144 13448 15088 15832 18491 20172 20746 21648 21769 22632 23748 26896 31119 31664 36982 38663 40344 41492 43538 45264 45517 47496 55473 62238 65307 73964 77326 80688 81139 82984 87076 91034 94992 110946 115989 124476 130614 136551 147928 154652 162278 165968 174152 182068 221892 231978 243417 248952 261228 273102 295856 309304 324556 348304 364136 425293 443784 463956 486834 497904 500687 522456 546204 618608 649112 728272 850586 887568 892529 927912 973668 1001374 1044912 1092408 1275879 1298224 1502061 1701172 1785058 1855824 1866197 1947336 2002748 2184816 2551758 2677587 3004122 3326699 3402344 3570116 3732394 3894672 4005496 5103516 5355174 5598591 6008244 6653398 6804688 7140232 7464788 8010992 9980097 10207032 10710348 11197182 12016488 13306796 14280464 14929576 19960194 20414064 20528167 21420696 22394364 24032976 26613592 29859152 36593689 39920388 41056334 42841392 44788728 53227184 61584501 73187378 76514077 79840776 82112668 89577456 109781067 123169002 146374756 153028154 159681552 164225336 219562134 229542231 246338004 292749512 306056308 328450672 439124268 459084462 492676008 585499024 612112616 841654847 878248536 918168924 985352016 1224225232 1683309694 1756497072 1836337848 2524964541 3366619388 3672675696 5049929082 6733238776 10099858164 13466477552 20199716328 40399432656
• Sum of all divisors σ(n): 121832916480
• Sum of proper divisors (its aliquot sum) s(n): 81433483824
• 40399432656 is an abundant number, because the sum of its proper divisors (81433483824) is greater than itself. Its abundance is 41034051168

Bases of 40399432656

• Binary: 100101100111111111100110101111010000₂
• Hexadecimal: 0x967FE6BD0
• Base-36: IK4S1QO

Squares and roots of 40399432656

• 40399432656 squared (40399432656²) is 1632114158926679214336
• 40399432656 cubed (40399432656³) is 65936486050462458161282221756416
• The square root of 40399432656 is 200996.1010965139
• The cube root of 40399432656 is 3431.2978809951

Scales and comparisons

• 40,399,432,656 seconds is equal to 1,284 years, 30 weeks, 37 minutes, 36 seconds.
• To count from 1 to 40,399,432,656 would take you about two thousand, five hundred sixty-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 40399432656 cubic inches would be around 285.9 feet tall.

Recreational maths with 40399432656

• 40399432656 backwards is 65623499304
• The number of decimal digits it has is: 11
• The sum of 40399432656's digits is 51
• More coming soon!