398028017816

Names of 398028017816

• Cardinal: 398028017816 can be written as Three hundred ninety-eight billion, twenty-eight million, seventeen thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 3.98028017816 × 10¹¹

Factors of 398028017816

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 15127292

Divisors of 398028017816

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 8 11 13 22 23 26 44 46 52 88 92 104 143 184 253 286 299 506 572 598 1012 1144 1196 2024 2392 3289 6578 13156 26312 15127243 30254486 60508972 121017944 166399673 196654159 332799346 347926589 393308318 665598692 695853178 786616636 1331197384 1391706356 1573233272 2163195749 2783412712 3827192479 4326391498 4523045657 7654384958 8652782996 9046091314 15308769916 17305565992 18092182628 30617539832 36184365256 49753502227 99507004454 199014008908 398028017816
• Sum of all divisors σ(n): 914895717120
• Sum of proper divisors (its aliquot sum) s(n): 516867699304
• 398028017816 is an abundant number, because the sum of its proper divisors (516867699304) is greater than itself. Its abundance is 118839681488

Bases of 398028017816

• Binary: 101110010101100010100011001000010011000₂
• Hexadecimal: 0x5CAC519098
• Base-36: 52UNLS48

Squares and roots of 398028017816

• 398028017816 squared (398028017816²) is 158426302966534013409856
• 398028017816 cubed (398028017816³) is 63058107339686613941268146877994496
• The square root of 398028017816 is 630894.6170447173
• The cube root of 398028017816 is 7355.9349710483

Scales and comparisons

• 398,028,017,816 seconds is equal to 12,656 years, 3 weeks, 18 hours, 16 minutes, 56 seconds.
• To count from 1 to 398,028,017,816 would take you about twenty-five thousand, three hundred twelve 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 398028017816 cubic inches would be around 613 feet tall.

Recreational maths with 398028017816

• 398028017816 backwards is 618710820893
• The number of decimal digits it has is: 12
• The sum of 398028017816's digits is 53
• More coming soon!