812643447429

Names of 812643447429

• Cardinal: 812643447429 can be written as Eight hundred twelve billion, six hundred forty-three million, four hundred forty-seven thousand, four hundred twenty-nine.

Scientific notation

• Scientific notation: 8.12643447429 × 10¹¹

Factors of 812643447429

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 178645

Divisors of 812643447429

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 9 11 33 37 99 111 113 121 333 339 363 407 1017 1089 1221 1243 3663 3729 4181 4477 11187 12543 13431 13673 37629 40293 41019 45991 123057 137973 178481 413919 505901 535443 1517703 1606329 1963291 4553109 5889873 6603797 17669619 19811391 20168353 21596201 59434173 60505059 64788603 72641767 181515177 194365809 217925301 221851883 653775903 665555649 746229061 799059437 1996666947 2238687183 2397178311 2440370713 6716061549 7191534933 7321112139 8208519671 21963336417 24625559013 73876677039 90293716381 270881149143 812643447429
• Sum of all divisors σ(n): 1336835177496
• Sum of proper divisors (its aliquot sum) s(n): 524191730067
• 812643447429 is a deficient number, because the sum of its proper divisors (524191730067) is less than itself. Its deficiency is 288451717362

Bases of 812643447429

• Binary: 1011110100110101010100101111001010000101₂
• Hexadecimal: 0xBD3552F285
• Base-36: ADBMXD39

Squares and roots of 812643447429

• 812643447429 squared (812643447429²) is 660389372649289886710041
• 812643447429 cubed (812643447429³) is 536661096435193496504832569149934589
• The square root of 812643447429 is 901467.3856712731
• The cube root of 812643447429 is 9331.8270075535

Scales and comparisons

• 812,643,447,429 seconds is equal to 25,839 years, 28 weeks, 3 days, 10 hours, 57 minutes, 9 seconds.
• To count from 1 to 812,643,447,429 would take you about fifty-one thousand, six hundred seventy-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 812643447429 cubic inches would be around 777.7 feet tall.

Recreational maths with 812643447429

• 812643447429 backwards is 924744346218
• The number of decimal digits it has is: 12
• The sum of 812643447429's digits is 54
• More coming soon!