8309138256909

Names of 8309138256909

• Cardinal: 8309138256909 can be written as Eight trillion, three hundred nine billion, one hundred thirty-eight million, two hundred fifty-six thousand, nine hundred nine.

Scientific notation

• Scientific notation: 8.309138256909 × 10¹²

Factors of 8309138256909

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 7002

Divisors of 8309138256909

• Number of divisors d(n): 90
• Complete list of divisors:
  1 3 7 9 21 27 49 63 81 147 189 441 567 571 1323 1713 3969 3997 5139 6421 11991 15417 19263 27979 35973 44947 46251 57789 83937 107919 134841 173367 251811 314629 323757 326041 404523 520101 755433 943887 978123 1213569 2266299 2282287 2831661 2934369 3640707 3666391 6846861 8494983 8803107 10999173 15976009 20540583 25484949 25664737 26409321 32997519 47928027 61621749 76994211 98992557 143784081 179653159 184865247 230982633 296977671 431352243 538959477 692947899 1294056729 1616878431 2078843697 2093509261 4850635293 6280527783 14551905879 14654564827 18841583349 43963694481 56524750047 102581953789 131891083443 169574250141 307745861367 395673250329 923237584101 1187019750987 2769712752303 8309138256909
• Sum of all divisors σ(n): 14466517407342
• Sum of proper divisors (its aliquot sum) s(n): 6157379150433
• 8309138256909 is a deficient number, because the sum of its proper divisors (6157379150433) is less than itself. Its deficiency is 2151759106476

Bases of 8309138256909

• Binary: 1111000111010011111001110111111010000001101₂
• Hexadecimal: 0x78E9F3BF40D
• Base-36: 2Y15YDRT9

Squares and roots of 8309138256909

• 8309138256909 squared (8309138256909²) is 69041778572428734886234281
• 8309138256909 cubed (8309138256909³) is 573677683661207644599228792047340897429
• The square root of 8309138256909 is 2882557.5895216733
• The cube root of 8309138256909 is 20254.3663861055

Scales and comparisons

• 8,309,138,256,909 seconds is equal to 264,204 years, 46 weeks, 3 days, 16 hours, 15 minutes, 9 seconds.
• To count from 1 to 8,309,138,256,909 would take you about six hundred sixty thousand, five hundred twelve 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 8309138256909 cubic inches would be around 1687.9 feet tall.

Recreational maths with 8309138256909

• 8309138256909 backwards is 9096528319038
• 8309138256909 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 8309138256909's digits is 63
• More coming soon!