90355689924721

Names of 90355689924721

• Cardinal: 90355689924721 can be written as Ninety trillion, three hundred fifty-five billion, six hundred eighty-nine million, nine hundred twenty-four thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 9.0355689924721 × 10¹³

Factors of 90355689924721

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 376

Divisors of 90355689924721

• Number of divisors d(n): 81
• Complete list of divisors:
  1 13 31 103 169 229 403 961 1339 2977 3193 5239 7099 10609 12493 17407 23587 38701 41509 52441 92287 98983 137917 162409 220069 306631 328879 539617 681733 731197 1199731 1286779 1625671 1792921 2429461 2860897 3986203 4275427 5401423 8862529 9505561 10195249 16728127 21133723 22667107 31582993 37191661 50395801 55580551 70218499 75313291 123572293 132538237 167444113 274738399 294672391 410578909 556346569 655145413 912840487 979072783 1722997081 2176773469 2334712021 3830741083 5190767503 7232505397 8516890369 12727946179 17246743639 28298055097 30351256273 67479977539 94022570161 224207667307 394566331549 534649052809 877239708007 2914699674991 6950437686517 90355689924721
• Sum of all divisors σ(n): 102537566683137
• Sum of proper divisors (its aliquot sum) s(n): 12181876758416
• 90355689924721 is a deficient number, because the sum of its proper divisors (12181876758416) is less than itself. Its deficiency is 78173813166305

Bases of 90355689924721

• Binary: 10100100010110110010010110011010010100001110001₂
• Hexadecimal: 0x522D92CD2871
• Base-36: W10TWV6UP

Squares and roots of 90355689924721

• 90355689924721 squared (90355689924721²) is 8164150701772328030646927841
• 90355689924721 cubed (90355689924721³) is 737677469308033821436725229634695209057361
• 90355689924721 is a perfect square number. Its square root is 9505561
• The cube root of 90355689924721 is 44873.0065485317

Scales and comparisons

• 90,355,689,924,721 seconds is equal to 2,873,031 years, 23 weeks, 3 days, 4 hours, 52 minutes, 1 second.
• To count from 1 to 90,355,689,924,721 would take you about seven million, one hundred eighty-two thousand, five hundred seventy-eight 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 90355689924721 cubic inches would be around 3739.4 feet tall.

Recreational maths with 90355689924721

• 90355689924721 backwards is 12742998655309
• The number of decimal digits it has is: 14
• The sum of 90355689924721's digits is 70
• More coming soon!