990380013973980687

Names of 990380013973980687

• Cardinal: 990380013973980687 can be written as Nine hundred ninety quadrillion, three hundred eighty trillion, thirteen billion, nine hundred seventy-three million, nine hundred eighty thousand, six hundred eighty-seven.

Scientific notation

• Scientific notation: 9.90380013973980687 × 10¹⁷

Factors of 990380013973980687

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 7773

Divisors of 990380013973980687

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 9 27 43 129 387 1161 1849 5547 7727 16641 23181 49923 69543 79507 208629 238521 332261 715563 996783 2146689 2990349 8971047 14287223 42861669 59706529 128585007 179119587 385755021 537358761 614350589 1612076283 1843051767 2567380747 5529155301 7702142241 16587465903 23106426723 69319280169 110397372121 331192116363 993576349089 2980729047267 4747087001203 14241261003609 42723783010827 128171349032481
• Sum of all divisors σ(n): 990446272245740206
• Sum of proper divisors (its aliquot sum) s(n): 66258271759519
• 990380013973980687 is a deficient number, because the sum of its proper divisors (66258271759519) is less than itself. Its deficiency is 990313755702221168

Bases of 990380013973980687

• Binary: 110110111110100010010110000000011101100100001100011000001111₂
• Hexadecimal: 0xDBE89601D90C60F
• Base-36: 7IVOEXFDWWLR

Squares and roots of 990380013973980687

• 990380013973980687 squared (990380013973980687²) is 980852572079102180854256240648991969
• 990380013973980687 cubed (990380013973980687³) is 971416784042116116902087607170906534836458120824102703
• The square root of 990380013973980687 is 995178382.9917029941
• 990380013973980687 is a perfect cube number. Its cube root is 996783

Scales and comparisons

• 990,380,013,973,980,687 seconds is equal to 31,491,020,997 years, 44 weeks, 1 day, 8 hours, 51 minutes, 27 seconds.
• To count from 1 to 990,380,013,973,980,687 would take you about ninety-four billion, four hundred seventy-three million, sixty-two thousand, nine hundred ninety-three 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 990380013973980687 cubic inches would be around 83065.3 feet tall.

Recreational maths with 990380013973980687

• 990380013973980687 backwards is 786089379310083099
• The number of decimal digits it has is: 18
• The sum of 990380013973980687's digits is 90
• More coming soon!