40015745640

Names of 40015745640

• Cardinal: 40015745640 can be written as Forty billion, fifteen million, seven hundred forty-five thousand, six hundred forty.

Scientific notation

• Scientific notation: 4.001574564 × 10¹⁰

Factors of 40015745640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 834

Divisors of 40015745640

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 18 20 24 26 30 36 39 40 45 52 60 65 72 78 90 104 117 120 130 156 169 180 195 234 260 312 338 360 390 468 507 520 585 676 780 811 845 936 1014 1170 1352 1521 1560 1622 1690 2028 2340 2433 2535 3042 3244 3380 4055 4056 4680 4866 5070 6084 6488 6760 7299 7605 8110 9732 10140 10543 12165 12168 14598 15210 16220 19464 20280 21086 24330 29196 30420 31629 32440 36495 42172 48660 52715 58392 60840 63258 72990 84344 94887 97320 105430 126516 137059 145980 158145 189774 210860 253032 274118 291960 316290 379548 411177 421720 474435 548236 632580 657721 685295 759096 822354 948870 1096472 1233531 1265160 1315442 1370590 1644708 1897740 1973163 2055885 2467062 2630884 2741180 3288605 3289416 3795480 3946326 4111770 4934124 5261768 5482360 5919489 6167655 6577210 7892652 8223540 8550373 9865815 9868248 11838978 12335310 13154420 15785304 16447080 17100746 19731630 23677956 24670620 25651119 26308840 29597445 34201492 39463260 42751865 47355912 49341240 51302238 59194890 68402984 76953357 78926520 85503730 102604476 111154849 118389780 128255595 153906714 171007460 205208952 222309698 236779560 256511190 307813428 333464547 342014920 384766785 444619396 513022380 555774245 615626856 666929094 769533570 889238792 1000393641 1026044760 1111548490 1333858188 1539067140 1667322735 2000787282 2223096980 2667716376 3078134280 3334645470 4001574564 4446193960 5001968205 6669290940 8003149128 10003936410 13338581880 20007872820 40015745640
• Sum of all divisors σ(n): 140998500630
• Sum of proper divisors (its aliquot sum) s(n): 100982754990
• 40015745640 is an abundant number, because the sum of its proper divisors (100982754990) is greater than itself. Its abundance is 60967009350

Bases of 40015745640

• Binary: 100101010001000111111101001001101000₂
• Hexadecimal: 0x9511FD268
• Base-36: IDSCAY0

Squares and roots of 40015745640

• 40015745640 squared (40015745640²) is 1601259899125179009600
• 40015745640 cubed (40015745640³) is 64075608826925221767620718144000
• The square root of 40015745640 is 200039.3602269313
• The cube root of 40015745640 is 3420.4005789127

Scales and comparisons

• 40,015,745,640 seconds is equal to 1,272 years, 19 weeks, 4 days, 4 hours, 54 minutes.
• To count from 1 to 40,015,745,640 would take you about two thousand, five hundred forty-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 40015745640 cubic inches would be around 285 feet tall.

Recreational maths with 40015745640

• 40015745640 backwards is 04654751004
• 40015745640 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 40015745640's digits is 36
• More coming soon!