40395911985

Names of 40395911985

• Cardinal: 40395911985 can be written as Forty billion, three hundred ninety-five million, nine hundred eleven thousand, nine hundred eighty-five.

Scientific notation

• Scientific notation: 4.0395911985 × 10¹⁰

Factors of 40395911985

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 521

Divisors of 40395911985

• Number of divisors d(n): 288
• Complete list of divisors:
  1 3 5 9 11 13 15 31 33 37 39 45 55 65 93 99 111 117 143 155 165 169 185 195 279 333 341 403 407 421 429 465 481 495 507 555 585 715 845 1023 1147 1209 1221 1263 1287 1395 1443 1521 1665 1705 1859 2015 2035 2105 2145 2405 2535 3069 3441 3627 3663 3789 4329 4433 4631 5115 5239 5291 5473 5577 5735 6045 6105 6253 6315 6435 7215 7605 9295 10323 12617 13051 13299 13893 14911 15345 15577 15717 15873 16419 16731 17205 18135 18315 18759 18945 21645 22165 23155 26195 26455 27365 27885 31265 37851 39153 39897 41679 44733 46731 47151 47619 49257 51615 56277 57629 60203 63085 65255 66495 68783 69465 71149 74555 77885 78585 79365 82095 83655 93795 113553 117459 134199 140193 143561 164021 169663 171347 172887 180609 189255 193843 195765 199485 202501 206349 208395 213447 223665 233655 235755 238095 246285 281385 288145 301015 343915 355745 430683 482887 492063 508989 514041 518661 541827 567765 581529 587295 607503 619047 640341 670995 700965 717805 782639 820105 848315 856735 864435 903045 969215 1012505 1031745 1067235 1292049 1448661 1476189 1526967 1542123 1744587 1822509 1866293 2132273 2153415 2205619 2227511 2347917 2414435 2460315 2544945 2570205 2593305 2632513 2709135 2907645 3037515 3095235 3201705 3913195 4345983 5311757 5598879 6277531 6396819 6460245 6616857 6682533 7043751 7243305 7380945 7634835 7710615 7897539 8722935 9112545 9331465 10661365 11028095 11137555 11739585 13162565 15935271 16796637 18832593 19190457 19850571 20047599 21729915 23692617 24261809 26558785 27994395 28957643 31387655 31984095 33084285 33412665 35218755 39487695 47805813 56497779 69052841 72785427 79676355 81607903 83983185 86872929 94162965 95952285 99252855 100237995 118463085 121309045 144788215 207158523 218356281 239029065 244823709 260618787 282488895 345264205 363927135 408039515 434364645 621475569 734471127 897686933 1035792615 1091781405 1224118545 1303093935 2693060799 3107377845 3672355635 4488434665 8079182397 13465303995 40395911985
• Sum of all divisors σ(n): 87896779776
• Sum of proper divisors (its aliquot sum) s(n): 47500867791
• 40395911985 is an abundant number, because the sum of its proper divisors (47500867791) is greater than itself. Its abundance is 7104955806

Bases of 40395911985

• Binary: 100101100111110010001011001100110001₂
• Hexadecimal: 0x967C8B331
• Base-36: IK2OL69

Squares and roots of 40395911985

• 40395911985 squared (40395911985²) is 1631829705099866640225
• 40395911985 cubed (40395911985³) is 65919249141722718433766760596625
• The square root of 40395911985 is 200987.3428477525
• The cube root of 40395911985 is 3431.1982028471

Scales and comparisons

• 40,395,911,985 seconds is equal to 1,284 years, 24 weeks, 1 day, 6 hours, 39 minutes, 45 seconds.
• To count from 1 to 40,395,911,985 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 40395911985 cubic inches would be around 285.9 feet tall.

Recreational maths with 40395911985

• 40395911985 backwards is 58911959304
• The number of decimal digits it has is: 11
• The sum of 40395911985's digits is 54
• More coming soon!