399616912923921

Names of 399616912923921

• Cardinal: 399616912923921 can be written as Three hundred ninety-nine trillion, six hundred sixteen billion, nine hundred twelve million, nine hundred twenty-three thousand, nine hundred twenty-one.

Scientific notation

• Scientific notation: 3.99616912923921 × 10¹⁴

Factors of 399616912923921

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 132852

Divisors of 399616912923921

• Number of divisors d(n): 216
• Complete list of divisors:
  1 3 7 9 11 19 21 33 49 57 63 77 99 133 147 171 209 231 361 399 441 539 627 693 931 1083 1197 1463 1617 1741 1881 2527 2793 3249 3971 4389 4851 5223 7581 8379 10241 11913 12187 13167 15669 17689 19151 22743 27797 30723 33079 35739 36561 53067 57453 83391 85309 92169 99237 109683 131071 134057 159201 172359 194579 231553 250173 255927 297711 363869 393213 402171 583737 628501 694659 767781 917497 938399 1091607 1179639 1206513 1441781 1620871 1751211 1885503 2083977 2490349 2547083 2752491 2815197 3274821 4325343 4399507 4862613 5656509 6422479 6913511 7471047 7641249 8257473 8445591 10092467 12976029 13198521 14587839 17432443 17829581 19267437 20740533 22413141 22923747 27393839 30277401 30796549 39595563 47316631 48394577 52297329 53488743 57802311 62221599 70647269 82181517 90832203 92389647 122027101 141949893 145183731 156891987 160466229 191756873 211941807 228194611 246544551 277168941 331216417 338762039 366081303 425849679 435551193 520482941 575270619 635825421 684583833 993649251 1016286117 1098243909 1342298111 1561448823 1597362277 1725811857 2053751499 2318514919 2510140721 2980947753 3048858351 3643380587 4026894333 4335697609 4684346469 4792086831 6955544757 7530422163 10930141761 11181535939 12080682999 13007092827 14376260493 17570985047 20866634271 22591266489 25503664109 30349883263 32790425283 33544607817 39021278481 47692673699 52712955141 76510992327 82378254571 91049649789 100633823451 122996895329 143078021097 158138865423 212449182841 229532976981 247134763713 273148949367 333848715893 368990685987 429234063291 576647781997 637347548523 741404291139 906160800281 1001546147679 1106972057961 1729943345991 1912042645569 2336941011251 2718482400843 3004638443037 4036534473979 5189830037973 6343125601967 7010823033753 8155447202529 12109603421937 19029376805901 21032469101259 36328810265811 44401879213769 57088130417703 133205637641307 399616912923921
• Sum of all divisors σ(n): 773539520053248
• Sum of proper divisors (its aliquot sum) s(n): 373922607129327
• 399616912923921 is a deficient number, because the sum of its proper divisors (373922607129327) is less than itself. Its deficiency is 25694305794594

Bases of 399616912923921

• Binary: 1011010110111001100010000001001000001110100010001₂
• Hexadecimal: 0x16B7310241D11
• Base-36: 3XNHH45GY9

Squares and roots of 399616912923921

• 399616912923921 squared (399616912923921²) is 159693677094844658757534014241
• 399616912923921 cubed (399616912923921³) is 63816294254111295487525471469872027763558961
• The square root of 399616912923921 is 19990420.5289413809
• The cube root of 399616912923921 is 73657.1007121621

Scales and comparisons

• 399,616,912,923,921 seconds is equal to 12,706,581 years, 38 weeks, 1 day, 10 hours, 25 minutes, 21 seconds.
• To count from 1 to 399,616,912,923,921 would take you about thirty-one million, seven hundred sixty-six thousand, four hundred fifty-four 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 399616912923921 cubic inches would be around 6138.1 feet tall.

Recreational maths with 399616912923921

• 399616912923921 backwards is 129329219616993
• The number of decimal digits it has is: 15
• The sum of 399616912923921's digits is 72
• More coming soon!