399969670905

Names of 399969670905

• Cardinal: 399969670905 can be written as Three hundred ninety-nine billion, nine hundred sixty-nine million, six hundred seventy thousand, nine hundred five.

Scientific notation

• Scientific notation: 3.99969670905 × 10¹¹

Factors of 399969670905

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2954

Divisors of 399969670905

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 5 7 9 15 21 27 35 45 49 63 105 135 147 189 245 315 343 441 735 945 1029 1323 1715 2205 2939 3087 5145 6615 8817 9261 14695 15435 20573 26451 44085 46305 61719 79353 102865 132255 144011 185157 308595 396765 432033 555471 720055 925785 1008077 1296099 2160165 2777355 3024231 3888297 5040385 6480495 8637721 9072693 15121155 19441485 25913163 27218079 43188605 45363465 60464047 77739489 129565815 136090395 181392141 233218467 302320235 388697445 423248329 544176423 906960705 1166092335 1269744987 1632529269 2116241645 2720882115 2962738303 3809234961 6348724935 8162646345 8888214909 11427704883 14813691515 19046174805 26664644727 44441074545 57138524415 79993934181 133323223635 399969670905
• Sum of all divisors σ(n): 829503456000
• Sum of proper divisors (its aliquot sum) s(n): 429533785095
• 399969670905 is an abundant number, because the sum of its proper divisors (429533785095) is greater than itself. Its abundance is 29564114190

Bases of 399969670905

• Binary: 101110100100000000011001101011011111001₂
• Hexadecimal: 0x5D200CD6F9
• Base-36: 53QRM589

Squares and roots of 399969670905

• 399969670905 squared (399969670905²) is 159975737643854003519025
• 399969670905 cubed (399969670905³) is 63985443138196905883371141156467625
• The square root of 399969670905 is 632431.5543242605
• The cube root of 399969670905 is 7367.8767703385

Scales and comparisons

• 399,969,670,905 seconds is equal to 12,717 years, 41 weeks, 3 days, 14 hours, 21 minutes, 45 seconds.
• To count from 1 to 399,969,670,905 would take you about twenty-five thousand, four hundred thirty-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 399969670905 cubic inches would be around 614 feet tall.

Recreational maths with 399969670905

• 399969670905 backwards is 509076969993
• The number of decimal digits it has is: 12
• The sum of 399969670905's digits is 72
• More coming soon!