8131938129408

Names of 8131938129408

• Cardinal: 8131938129408 can be written as Eight trillion, one hundred thirty-one billion, nine hundred thirty-eight million, one hundred twenty-nine thousand, four hundred eight.

Scientific notation

• Scientific notation: 8.131938129408 × 10¹²

Factors of 8131938129408

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 165417

Divisors of 8131938129408

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 64 96 128 179 192 256 358 384 512 537 716 768 1074 1432 1536 2148 2864 4296 5728 8592 11456 17184 22912 32041 34368 45824 64082 68736 91648 96123 128164 137472 165233 192246 256328 274944 330466 384492 495699 512656 660932 768984 991398 1025312 1321864 1537968 1982796 2050624 2643728 3075936 3965592 4101248 5287456 6151872 7931184 8202496 10574912 12303744 15862368 16404992 21149824 24607488 29576707 31724736 42299648 49214976 59153414 63449472 84599296 88730121 118306828 126898944 177460242 236613656 253797888 354920484 473227312 709840968 946454624 1419681936 1892909248 2839363872 3785818496 5294230553 5678727744 7571636992 10588461106 11357455488 15143273984 15882691659 21176922212 22714910976 31765383318 42353844424 45429821952 63530766636 84707688848 127061533272 169415377696 254123066544 338830755392 508246133088 677661510784 1016492266176 1355323021568 2032984532352 2710646043136 4065969064704 8131938129408
• Sum of all divisors σ(n): 21785827289688
• Sum of proper divisors (its aliquot sum) s(n): 13653889160280
• 8131938129408 is an abundant number, because the sum of its proper divisors (13653889160280) is greater than itself. Its abundance is 5521951030872

Bases of 8131938129408

• Binary: 1110110010101011101010010001001011000000000₂
• Hexadecimal: 0x7655D489600
• Base-36: 2VRRE02DC

Squares and roots of 8131938129408

• 8131938129408 squared (8131938129408²) is 66128417740519682154430464
• 8131938129408 cubed (8131938129408³) is 537752201661552426024705986799769485312
• The square root of 8131938129408 is 2851655.3314536453
• The cube root of 8131938129408 is 20109.3494860635

Scales and comparisons

• 8,131,938,129,408 seconds is equal to 258,570 years, 24 weeks, 6 days, 6 hours, 36 minutes, 48 seconds.
• To count from 1 to 8,131,938,129,408 would take you about six hundred forty-six thousand, four hundred twenty-six 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 8131938129408 cubic inches would be around 1675.8 feet tall.

Recreational maths with 8131938129408

• 8131938129408 backwards is 8049218391318
• The number of decimal digits it has is: 13
• The sum of 8131938129408's digits is 57
• More coming soon!