421918266991012

Names of 421918266991012

• Cardinal: 421918266991012 can be written as Four hundred twenty-one trillion, nine hundred eighteen billion, two hundred sixty-six million, nine hundred ninety-one thousand and twelve.

Scientific notation

• Scientific notation: 4.21918266991012 × 10¹⁴

Factors of 421918266991012

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 41201

Divisors of 421918266991012

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 11 22 44 61 121 122 242 244 409 484 671 818 877 1342 1636 1754 2684 3508 4499 7381 8998 9647 14762 17996 19294 24949 29524 38588 39841 49489 49898 53497 79682 98978 99796 106117 106994 159364 197956 212234 213988 274439 358693 424468 438251 548878 588467 717386 876502 1097756 1176934 1434772 1753004 2353868 2430301 3018829 3945623 4820761 4860602 6037658 6473137 7891246 9641522 9721204 12075316 12946274 15782492 16294969 19283044 21880273 25892548 26733311 32589938 34940557 43401853 43760546 53466622 65179876 69881114 86803706 87521092 106933244 139762228 173607412 179244659 240683003 294066421 358489318 384346127 481366006 588132842 716978636 768692254 962732012 993993109 1176265684 1537384508 1971691249 1987986218 2131373977 2647513033 3943382498 3975972436 4227807397 4262747954 5295026066 7886764996 8455614794 8525495908 10590052132 10933924199 14290687813 16911229588 21867848398 23445113747 28581375626 43735696796 46890227494 57162751252 93780454988 120273166189 157197565943 240546332378 257896251217 314395131886 481092664756 515792502434 628790263772 871731956593 1031585004868 1729173225373 1743463913186 3458346450746 3486927826372 6916692901492 9589051522523 19178103045046 38356206090092 105479566747753 210959133495506 421918266991012
• Sum of all divisors σ(n): 827867577441520
• Sum of proper divisors (its aliquot sum) s(n): 405949310450508
• 421918266991012 is a deficient number, because the sum of its proper divisors (405949310450508) is less than itself. Its deficiency is 15968956540504

Bases of 421918266991012

• Binary: 1011111111011101110000000011011011010000110100100₂
• Hexadecimal: 0x17FBB806DA1A4
• Base-36: 45K2KQK59G

Squares and roots of 421918266991012

• 421918266991012 squared (421918266991012²) is 178015024020698886232488784144
• 421918266991012 cubed (421918266991012³) is 75107790433176647172143785313515949256113728
• The square root of 421918266991012 is 20540649.1375275675
• The cube root of 421918266991012 is 75002.5638821901

Scales and comparisons

• 421,918,266,991,012 seconds is equal to 13,415,695 years, 42 weeks, 1 day, 8 hours, 36 minutes, 52 seconds.
• To count from 1 to 421,918,266,991,012 would take you about thirty-three million, five hundred thirty-nine thousand, two hundred thirty-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 421918266991012 cubic inches would be around 6250.2 feet tall.

Recreational maths with 421918266991012

• 421918266991012 backwards is 210199662819124
• 421918266991012 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 421918266991012's digits is 61
• More coming soon!