642012032864

Names of 642012032864

• Cardinal: 642012032864 can be written as Six hundred forty-two billion, twelve million, thirty-two thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 6.42012032864 × 10¹¹

Factors of 642012032864

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 8516

Divisors of 642012032864

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 8 16 32 61 122 163 244 251 326 488 502 652 976 1004 1304 1952 2008 2608 4016 5216 8032 8039 9943 15311 16078 19886 30622 32156 39772 40913 61244 64312 79544 81826 122488 128624 159088 163652 244976 257248 318176 327304 489952 490379 654608 980758 1309216 1310357 1961516 2017789 2495693 2620714 3923032 4035578 4991386 5241428 7846064 8071156 9982772 10482856 15692128 16142312 19965544 20965712 32284624 39931088 41931424 64569248 79862176 79931777 123085129 159863554 246170258 319727108 328899607 492340516 639454216 657799214 984681032 1278908432 1315598428 1969362064 2557816864 2631196856 3938724128 5262393712 10524787424 20062876027 40125752054 80251504108 160503008216 321006016432 642012032864
• Sum of all divisors σ(n): 1297874430720
• Sum of proper divisors (its aliquot sum) s(n): 655862397856
• 642012032864 is an abundant number, because the sum of its proper divisors (655862397856) is greater than itself. Its abundance is 13850364992

Bases of 642012032864

• Binary: 1001010101111010111001100010111101100000₂
• Hexadecimal: 0x957AE62F60
• Base-36: 86XPDYZK

Squares and roots of 642012032864

• 642012032864 squared (642012032864²) is 412179450342165816042496
• 642012032864 cubed (642012032864³) is 264624166818940015934012320372588544
• The square root of 642012032864 is 801256.5337418473
• The cube root of 642012032864 is 8626.7601325037

Scales and comparisons

• 642,012,032,864 seconds is equal to 20,413 years, 51 weeks, 5 days, 19 hours, 47 minutes, 44 seconds.
• To count from 1 to 642,012,032,864 would take you about forty thousand, eight hundred twenty-seven 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 642012032864 cubic inches would be around 718.9 feet tall.

Recreational maths with 642012032864

• 642012032864 backwards is 468230210246
• The number of decimal digits it has is: 12
• The sum of 642012032864's digits is 38
• More coming soon!