155309013388431

Names of 155309013388431

• Cardinal: 155309013388431 can be written as One hundred fifty-five trillion, three hundred nine billion, thirteen million, three hundred eighty-eight thousand, four hundred thirty-one.

Scientific notation

• Scientific notation: 1.55309013388431 × 10¹⁴

Factors of 155309013388431

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 351

Divisors of 155309013388431

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 7 9 21 23 27 41 63 69 123 161 189 207 277 287 369 483 621 831 861 943 1107 1449 1681 1939 2493 2583 2829 4347 5043 5817 6371 6601 7479 7749 8487 11357 11767 15129 17451 19113 19803 25461 34071 35301 38663 44597 45387 52353 57339 59409 76729 79499 102213 105903 115989 133791 172017 178227 230187 238497 261211 270641 306639 317709 347967 401373 465637 537103 690561 715491 783633 811923 1043901 1204119 1396911 1611309 1764767 1828477 2071683 2146473 2350899 2435769 3145889 3259459 4190733 4833927 5294301 5485431 7052697 7307307 9437667 9778377 10709651 12353369 12572199 14501781 15882903 16456293 21253933 22021223 28313001 29335131 32128953 37060107 47648709 49368879 63761799 66063669 72355447 74967557 84939003 88005393 96386859 111180321 128981449 148777531 191285397 198191007 217066341 224902671 289160577 333540963 386944347 446332593 488840459 506488129 573856191 594573021 651199023 674708013 871411253 902870143 1160833041 1338997779 1466521377 1519464387 1953597069 2024124039 2614233759 2708610429 2966573327 3421883213 3482499123 4016993337 4399564131 4558393161 6099878771 7842701277 8125831287 8899719981 10265649639 13198692393 13675179483 18299636313 20042458819 20766013289 23528103831 24377493861 26699159943 30796948917 35727861373 54898908939 60127376457 62298039867 80097479829 92390846751 107183584119 140297211733 164696726817 180382129371 186894119601 250095029611 321550752357 420891635199 541146388113 560682358803 750285088833 821740811579 964652257071 1262674905597 2250855266499 2465222434737 3788024716791 5752185681053 6752565799497 7395667304211 17256557043159 22187001912633 51769671129477 155309013388431
• Sum of all divisors σ(n): 282264649881600
• Sum of proper divisors (its aliquot sum) s(n): 126955636493169
• 155309013388431 is a deficient number, because the sum of its proper divisors (126955636493169) is less than itself. Its deficiency is 28353376895262

Bases of 155309013388431

• Binary: 100011010100000010110010100100101100110010001111₂
• Hexadecimal: 0x8D40B292CC8F
• Base-36: 1J1VZ4M0LR

Squares and roots of 155309013388431

• 155309013388431 squared (155309013388431²) is 24120889639687839608084641761
• 155309013388431 cubed (155309013388431³) is 3746191571991145281267519759167417376866991
• The square root of 155309013388431 is 12462303.6950810583
• The cube root of 155309013388431 is 53752.5271154711

Scales and comparisons

• 155,309,013,388,431 seconds is equal to 4,938,346 years, 11 weeks, 4 days, 7 hours, 53 minutes, 51 seconds.
• To count from 1 to 155,309,013,388,431 would take you about twelve million, three hundred forty-five thousand, eight hundred sixty-five 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 155309013388431 cubic inches would be around 4479.4 feet tall.

Recreational maths with 155309013388431

• 155309013388431 backwards is 134883310903551
• The number of decimal digits it has is: 15
• The sum of 155309013388431's digits is 54
• More coming soon!