40021918860

Names of 40021918860

• Cardinal: 40021918860 can be written as Forty billion, twenty-one million, nine hundred eighteen thousand, eight hundred sixty.

Scientific notation

• Scientific notation: 4.002191886 × 10¹⁰

Factors of 40021918860

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 71621

Divisors of 40021918860

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 7 10 11 12 14 15 20 21 22 28 30 33 35 42 44 55 60 66 70 77 84 105 110 121 132 140 154 165 210 220 231 242 308 330 363 385 420 462 484 605 660 726 770 847 924 1155 1210 1331 1452 1540 1694 1815 2310 2420 2541 2662 3388 3630 3993 4235 4620 5082 5324 6655 7260 7986 8470 9317 10164 12705 13310 15972 16940 18634 19965 25410 26620 27951 37268 39930 46585 50820 55902 71593 79860 93170 111804 139755 143186 186340 214779 279510 286372 357965 429558 501151 559020 715930 787523 859116 1002302 1073895 1431860 1503453 1575046 2004604 2147790 2362569 2505755 3006906 3150092 3937615 4295580 4725138 5011510 5512661 6013812 7517265 7875230 8662753 9450276 10023020 11025322 11812845 15034530 15750460 16537983 17325506 22050644 23625690 25988259 27563305 30069060 33075966 34651012 43313765 47251380 51976518 55126610 60639271 66151932 82689915 86627530 95290283 103953036 110253220 121278542 129941295 165379830 173255060 181917813 190580566 242557084 259882590 285870849 303196355 330759660 363835626 381161132 476451415 519765180 571741698 606392710 667031981 727671252 909589065 952902830 1143483396 1212785420 1334063962 1429354245 1819178130 1905805660 2001095943 2668127924 2858708490 3335159905 3638356260 4002191886 5717416980 6670319810 8004383772 10005479715 13340639620 20010959430 40021918860
• Sum of all divisors σ(n): 140869499904
• Sum of proper divisors (its aliquot sum) s(n): 100847581044
• 40021918860 is an abundant number, because the sum of its proper divisors (100847581044) is greater than itself. Its abundance is 60825662184

Bases of 40021918860

• Binary: 100101010001011111100000010010001100₂
• Hexadecimal: 0x9517E048C
• Base-36: IDW0M8C

Squares and roots of 40021918860

• 40021918860 squared (40021918860²) is 1601753989236423699600
• 40021918860 cubed (40021918860³) is 64105268190901462661972214456000
• The square root of 40021918860 is 200054.7896452369
• The cube root of 40021918860 is 3420.5764580091

Scales and comparisons

• 40,021,918,860 seconds is equal to 1,272 years, 29 weeks, 5 days, 15 hours, 41 minutes.
• To count from 1 to 40,021,918,860 would take you about two thousand, five hundred forty-five 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 40021918860 cubic inches would be around 285 feet tall.

Recreational maths with 40021918860

• 40021918860 backwards is 06881912004
• The number of decimal digits it has is: 11
• The sum of 40021918860's digits is 39
• More coming soon!