87428493009

Names of 87428493009

• Cardinal: 87428493009 can be written as Eighty-seven billion, four hundred twenty-eight million, four hundred ninety-three thousand and nine.

Scientific notation

• Scientific notation: 8.7428493009 × 10¹⁰

Factors of 87428493009

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 16437

Divisors of 87428493009

• Number of divisors d(n): 108
• Complete list of divisors:
  1 3 9 11 13 29 33 39 87 99 117 121 143 169 261 319 363 377 429 507 957 1089 1131 1287 1521 1573 1859 2871 3393 3509 4147 4719 4901 5577 10527 12441 14157 14703 16381 16731 20449 31581 37323 44109 45617 49143 53911 61347 136851 147429 161733 180191 184041 212953 410553 475049 485199 540573 593021 638859 1425147 1621719 1779063 1916577 1982101 2342483 2768389 4275441 5225539 5337189 5946303 6175637 7027449 8305167 15676617 17838909 18526911 21082347 24915501 25767313 30452279 47029851 55580733 57480929 67932007 77301939 80283281 91356837 172442787 203796021 231905817 240849843 274070511 334975069 517328361 611388063 722549529 747252077 883116091 1004925207 2241756231 2649348273 3014775621 6725268693 7948044819 9714277001 29142831003 87428493009
• Sum of all divisors σ(n): 155501384220
• Sum of proper divisors (its aliquot sum) s(n): 68072891211
• 87428493009 is a deficient number, because the sum of its proper divisors (68072891211) is less than itself. Its deficiency is 19355601798

Bases of 87428493009

• Binary: 1010001011011001001001110111011010001₂
• Hexadecimal: 0x145B24EED1
• Base-36: 145WO0Y9

Squares and roots of 87428493009

• 87428493009 squared (87428493009²) is 7643741389824761874081
• 87428493009 cubed (87428493009³) is 668280790662898137243180446799729
• The square root of 87428493009 is 295683.0955753135
• The cube root of 87428493009 is 4438.3103202017

Scales and comparisons

• 87,428,493,009 seconds is equal to 2,779 years, 49 weeks, 4 days, 20 hours, 30 minutes, 9 seconds.
• To count from 1 to 87,428,493,009 would take you about five thousand, five hundred fifty-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 87428493009 cubic inches would be around 369.9 feet tall.

Recreational maths with 87428493009

• 87428493009 backwards is 90039482478
• The number of decimal digits it has is: 11
• The sum of 87428493009's digits is 54
• More coming soon!