40085387992

Names of 40085387992

• Cardinal: 40085387992 can be written as Forty billion, eighty-five million, three hundred eighty-seven thousand, nine hundred ninety-two.

Scientific notation

• Scientific notation: 4.0085387992 × 10¹⁰

Factors of 40085387992

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1241

Divisors of 40085387992

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 8 13 26 31 52 62 73 104 124 146 181 248 292 362 403 584 724 806 941 949 1448 1612 1882 1898 2263 2353 3224 3764 3796 4526 4706 5611 7528 7592 9052 9412 11222 12233 13213 18104 18824 22444 24466 26426 29171 29419 44888 48932 52852 58342 58838 68693 72943 97864 105704 116684 117676 137386 145886 170321 171769 233368 235352 274772 291772 340642 343538 379223 409603 549544 583544 681284 687076 758446 819206 893009 1362568 1374152 1516892 1638412 1786018 2129483 2214173 3033784 3276824 3572036 4258966 4428346 5279951 5324839 7144072 8517932 8856692 10559902 10649678 12433433 17035864 17713384 21119804 21299356 24866866 27683279 42239608 42598712 49733732 55366558 68639363 99467464 110733116 137278726 161634629 221466232 274557452 323269258 385436423 549114904 646538516 770872846 1293077032 1541745692 3083491384 5010673499 10021346998 20042693996 40085387992
• Sum of all divisors σ(n): 85255672320
• Sum of proper divisors (its aliquot sum) s(n): 45170284328
• 40085387992 is an abundant number, because the sum of its proper divisors (45170284328) is greater than itself. Its abundance is 5084896336

Bases of 40085387992

• Binary: 100101010101010001100111101011011000₂
• Hexadecimal: 0x955467AD8
• Base-36: IEXSZBS

Squares and roots of 40085387992

• 40085387992 squared (40085387992²) is 1606838330469177792064
• 40085387992 cubed (40085387992³) is 64410737917274507192115338495488
• The square root of 40085387992 is 200213.3561778535
• The cube root of 40085387992 is 3422.3836873309

Scales and comparisons

• 40,085,387,992 seconds is equal to 1,274 years, 30 weeks, 5 days, 5 hours, 59 minutes, 52 seconds.
• To count from 1 to 40,085,387,992 would take you about two thousand, five hundred forty-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 40085387992 cubic inches would be around 285.2 feet tall.

Recreational maths with 40085387992

• 40085387992 backwards is 29978358004
• The number of decimal digits it has is: 11
• The sum of 40085387992's digits is 55
• More coming soon!