80789209389

Names of 80789209389

• Cardinal: 80789209389 can be written as Eighty billion, seven hundred eighty-nine million, two hundred nine thousand, three hundred eighty-nine.

Scientific notation

• Scientific notation: 8.0789209389 × 10¹⁰

Factors of 80789209389

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 180

Divisors of 80789209389

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 7 9 21 43 63 127 129 301 381 387 889 903 1143 1849 2667 2709 5461 5547 8001 12943 16129 16383 16641 38227 38829 48387 49149 79507 112903 114681 116487 145161 234823 238521 338709 344043 556549 693547 704469 715563 1016127 1643761 1669647 2080641 2113407 4854829 4931283 5008941 6241923 10097389 14564487 14793849 29822521 30292167 43693461 70681723 89467563 90876501 208757647 212045169 268402689 626272941 636135507 1282368403 1878818823 3847105209 8976578821 11541315627 26929736463 80789209389
• Sum of all divisors σ(n): 137625259200
• Sum of proper divisors (its aliquot sum) s(n): 56836049811
• 80789209389 is a deficient number, because the sum of its proper divisors (56836049811) is less than itself. Its deficiency is 23953159578

Bases of 80789209389

• Binary: 1001011001111011010011000000100101101₂
• Hexadecimal: 0x12CF69812D
• Base-36: 1143T4X9

Squares and roots of 80789209389

• 80789209389 squared (80789209389²) is 6526896353699685753321
• 80789209389 cubed (80789209389³) is 527302796179344517148550471130869
• The square root of 80789209389 is 284234.4268187793
• The cube root of 80789209389 is 4322.9922076359

Scales and comparisons

• 80,789,209,389 seconds is equal to 2,568 years, 44 weeks, 7 hours, 3 minutes, 9 seconds.
• To count from 1 to 80,789,209,389 would take you about five thousand, one hundred thirty-seven 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 80789209389 cubic inches would be around 360.2 feet tall.

Recreational maths with 80789209389

• 80789209389 backwards is 98390298708
• 80789209389 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 80789209389's digits is 63
• More coming soon!