409989399123346728

Names of 409989399123346728

• Cardinal: 409989399123346728 can be written as Four hundred nine quadrillion, nine hundred eighty-nine trillion, three hundred ninety-nine billion, one hundred twenty-three million, three hundred forty-six thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 4.09989399123346728 × 10¹⁷

Factors of 409989399123346728

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 32560335

Divisors of 409989399123346728

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 2917 5834 8751 11668 17502 20419 23336 25717 35004 40838 51434 61257 70008 77151 81676 102868 122514 154302 163352 180019 205736 245028 308604 360038 490056 540057 617208 720076 1080114 1440152 2160228 4320456 32531689 65063378 75016489 97595067 130126756 150032978 195190134 225049467 227721823 260253512 300065956 390380268 450098934 455443646 525115423 600131912 683165469 780760536 900197868 910887292 1050230846 1366330938 1575346269 1800395736 1821774584 2100461692 2732661876 3150692538 4200923384 5465323752 6301385076 12602770152 94894936813 189789873626 284684810439 379579747252 569369620878 664264557691 759159494504 836617446013 1138739241756 1328529115382 1673234892026 1992793673073 2277478483512 2509852338039 2657058230764 3346469784052 3985587346146 5019704676078 5314116461528 5856322122091 6692939568104 7971174692292 10039409352156 11712644244182 15942349384584 17568966366273 20078818704312 23425288488364 35137932732546 46850576976728 70275865465092 140551730930184 2440413090019921 4880826180039842 7321239270059763 9761652360079684 14642478540119526 17082891630139447 19523304720159368 29284957080239052 34165783260278894 51248674890418341 58569914160478104 68331566520557788 102497349780836682 136663133041115576 204994699561673364 409989399123346728
• Sum of all divisors σ(n): 1171845460790188800
• Sum of proper divisors (its aliquot sum) s(n): 761856061666842072
• 409989399123346728 is an abundant number, because the sum of its proper divisors (761856061666842072) is greater than itself. Its abundance is 351866662543495344

Bases of 409989399123346728

• Binary: 10110110000100100110010111110110000011011000100010100101000₂
• Hexadecimal: 0x5B0932FB06C4528
• Base-36: 344X41SXG6CO

Squares and roots of 409989399123346728

• 409989399123346728 squared (409989399123346728²) is 168091307393522902777887359308305984
• 409989399123346728 cubed (409989399123346728³) is 68915654116128224174874727383223942611503502349220352
• The square root of 409989399123346728 is 640304145.7958449983
• The cube root of 409989399123346728 is 742889.4813678195

Scales and comparisons

• 409,989,399,123,346,728 seconds is equal to 13,036,394,711 years, 33 weeks, 3 days, 17 hours, 38 minutes, 48 seconds.
• To count from 1 to 409,989,399,123,346,728 would take you about thirty-nine billion, one hundred nine million, one hundred eighty-four thousand, one hundred thirty-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 409989399123346728 cubic inches would be around 61907.5 feet tall.

Recreational maths with 409989399123346728

• 409989399123346728 backwards is 827643321993989904
• The number of decimal digits it has is: 18
• The sum of 409989399123346728's digits is 96
• More coming soon!