40385680218

Names of 40385680218

• Cardinal: 40385680218 can be written as Forty billion, three hundred eighty-five million, six hundred eighty thousand, two hundred eighteen.

Scientific notation

• Scientific notation: 4.0385680218 × 10¹⁰

Factors of 40385680218

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 267

Divisors of 40385680218

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 6 9 13 18 26 27 31 39 54 62 78 79 93 117 139 158 169 186 234 237 278 279 338 351 403 417 474 507 558 702 711 806 834 837 1014 1027 1209 1251 1422 1521 1674 1807 2054 2133 2197 2418 2449 2502 3042 3081 3614 3627 3753 4266 4309 4394 4563 4898 5239 5421 6162 6591 7254 7347 7506 8618 9126 9243 10478 10842 10881 10981 12927 13182 13351 14694 15717 16263 18486 19773 21762 21962 22041 23491 25854 26702 27729 31434 31837 32526 32943 38781 39546 40053 44082 46982 47151 48789 55458 56017 59319 63674 65886 66123 68107 70473 77562 80106 94302 95511 97578 98829 112034 116343 118638 120159 132246 136214 140946 141453 142753 168051 173563 191022 197658 204321 211419 232686 240318 282906 285506 286533 296487 305383 336102 340411 347126 360477 408642 413881 422838 428259 504153 520689 573066 592974 610766 612963 634257 680822 720954 728221 827762 856518 859599 916149 1008306 1021233 1041378 1225926 1241643 1268514 1284777 1456442 1512459 1562067 1719198 1832298 1838889 1855789 2042466 2184663 2483286 2569554 2748447 3024918 3063699 3124134 3677778 3711578 3724929 3854331 4369326 4425343 4686201 5380453 5496894 5567367 6127398 6553989 7449858 7708662 8245341 8850686 9191097 9372402 9466873 10760906 11134734 11174787 13107978 13276029 16141359 16490682 16702101 18382194 18933746 19661967 22349574 24125257 26552058 28400619 32282718 33404202 39323934 39828087 48250514 48424077 50106303 56801238 57529459 72375771 79656174 85201857 96848154 100212606 115058918 119484261 144751542 145272231 170403714 172588377 217127313 238968522 255605571 290544462 345176754 434254626 511211142 517765131 651381939 747882967 1035530262 1302763878 1495765934 1553295393 2243648901 3106590786 4487297802 6730946703 13461893406 20192840109 40385680218
• Sum of all divisors σ(n): 102359040000
• Sum of proper divisors (its aliquot sum) s(n): 61973359782
• 40385680218 is an abundant number, because the sum of its proper divisors (61973359782) is greater than itself. Its abundance is 21587679564

Bases of 40385680218

• Binary: 100101100111001011001001001101011010₂
• Hexadecimal: 0x9672C935A
• Base-36: IJWLAAI

Squares and roots of 40385680218

• 40385680218 squared (40385680218²) is 1631003166670556527524
• 40385680218 cubed (40385680218³) is 65869172323702451676676779320232
• The square root of 40385680218 is 200961.8874762077
• The cube root of 40385680218 is 3430.9084855357

Scales and comparisons

• 40,385,680,218 seconds is equal to 1,284 years, 7 weeks, 1 day, 20 hours, 30 minutes, 18 seconds.
• To count from 1 to 40,385,680,218 would take you about two thousand, five hundred sixty-eight 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 40385680218 cubic inches would be around 285.9 feet tall.

Recreational maths with 40385680218

• 40385680218 backwards is 81208658304
• The number of decimal digits it has is: 11
• The sum of 40385680218's digits is 45
• More coming soon!