42640073728

Names of 42640073728

• Cardinal: 42640073728 can be written as Forty-two billion, six hundred forty million, seventy-three thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 4.2640073728 × 10¹⁰

Factors of 42640073728

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 849

Divisors of 42640073728

• Number of divisors d(n): 132
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 56 64 89 112 128 178 224 256 356 448 512 623 712 751 896 1024 1246 1424 1502 1792 2492 2848 3004 3584 4984 5257 5696 6008 7168 7921 9968 10514 11392 12016 15842 19936 21028 22784 24032 31684 39872 42056 45568 48064 55447 63368 66839 79744 84112 91136 96128 110894 126736 133678 159488 168224 192256 221788 253472 267356 318976 336448 384512 443576 467873 506944 534712 637952 672896 769024 887152 935746 1013888 1069424 1345792 1774304 1871492 2027776 2138848 2691584 3548608 3742984 4055552 4277696 5383168 5948671 7097216 7485968 8111104 8555392 11897342 14194432 14971936 17110784 23794684 28388864 29943872 34221568 41640697 47589368 56777728 59887744 68443136 83281394 95178736 119775488 166562788 190357472 239550976 333125576 380714944 479101952 666251152 761429888 1332502304 1522859776 2665004608 3045719552 5330009216 6091439104 10660018432 21320036864 42640073728
• Sum of all divisors σ(n): 98653478272
• Sum of proper divisors (its aliquot sum) s(n): 56013404544
• 42640073728 is an abundant number, because the sum of its proper divisors (56013404544) is greater than itself. Its abundance is 13373330816

Bases of 42640073728

• Binary: 100111101101100010111110010000000000₂
• Hexadecimal: 0x9ED8BE400
• Base-36: JL6SRGG

Squares and roots of 42640073728

• 42640073728 squared (42640073728²) is 1818175887529275817984
• 42640073728 cubed (42640073728³) is 77527153894720156637285268324352
• The square root of 42640073728 is 206494.7305090375
• The cube root of 42640073728 is 3493.5957370759

Scales and comparisons

• 42,640,073,728 seconds is equal to 1,355 years, 42 weeks, 5 days, 8 hours, 55 minutes, 28 seconds.
• To count from 1 to 42,640,073,728 would take you about two thousand, seven hundred eleven 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 42640073728 cubic inches would be around 291.1 feet tall.

Recreational maths with 42640073728

• 42640073728 backwards is 82737004624
• The number of decimal digits it has is: 11
• The sum of 42640073728's digits is 43
• More coming soon!