638948162048

Names of 638948162048

• Cardinal: 638948162048 can be written as Six hundred thirty-eight billion, nine hundred forty-eight million, one hundred sixty-two thousand and forty-eight.

Scientific notation

• Scientific notation: 6.38948162048 × 10¹¹

Factors of 638948162048

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 486

Divisors of 638948162048

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 56 64 71 89 112 128 142 178 224 256 284 317 356 448 497 512 568 623 634 712 896 994 1136 1246 1268 1424 1792 1988 2219 2272 2492 2536 2848 3584 3976 4438 4544 4984 5072 5696 6319 7921 7952 8876 9088 9968 10144 11392 12638 15842 15904 17752 18176 19936 20288 22507 22784 25276 28213 31684 31808 35504 36352 39872 40576 44233 45014 45568 50552 55447 56426 63368 63616 71008 79744 81152 88466 90028 101104 110894 112852 126736 127232 142016 157549 159488 162304 176932 180056 197491 202208 221788 225704 253472 254464 284032 315098 318976 353864 360112 394982 404416 443576 451408 506944 562391 568064 630196 707728 720224 789964 808832 887152 902816 1013888 1124782 1136128 1260392 1415456 1440448 1579928 1617664 1774304 1805632 2003123 2027776 2249564 2510957 2520784 2830912 2880896 3159856 3235328 3548608 3611264 3936737 4006246 4055552 4499128 5021914 5041568 5661824 5761792 6319712 7097216 7222528 7873474 8012492 8998256 10043828 10083136 11323648 11523584 12639424 14021861 14194432 14445056 15746948 16024984 17576699 17996512 20087656 20166272 22647296 25278848 28043722 28388864 31493896 32049968 35153398 35993024 40175312 40332544 50557696 56087444 62987792 64099936 70306796 71986048 80350624 80665088 101115392 112174888 125975584 128199872 140613592 143972096 160701248 178277947 224349776 251951168 256399744 281227184 287944192 321402496 356555894 448699552 503902336 512799488 562454368 642804992 713111788 897399104 1007804672 1025598976 1124908736 1247945629 1285609984 1426223576 1794798208 2015609344 2249817472 2495891258 2852447152 3589596416 4499634944 4991782516 5704894304 7179192832 8999269888 9983565032 11409788608 19967130064 22819577216 39934260128 45639154432 79868520256 91278308864 159737040512 319474081024 638948162048
• Sum of all divisors σ(n): 1501108101504
• Sum of proper divisors (its aliquot sum) s(n): 862159939456
• 638948162048 is an abundant number, because the sum of its proper divisors (862159939456) is greater than itself. Its abundance is 223211777408

Bases of 638948162048

• Binary: 1001010011000100010001110011101000000000₂
• Hexadecimal: 0x94C4473A00
• Base-36: 85J18L4W

Squares and roots of 638948162048

• 638948162048 squared (638948162048²) is 408254753784517267554304
• 638948162048 cubed (638948162048³) is 260853624577976080342741604831854592
• The square root of 638948162048 is 799342.3309496377
• The cube root of 638948162048 is 8613.0150960475

Scales and comparisons

• 638,948,162,048 seconds is equal to 20,316 years, 29 weeks, 6 days, 8 hours, 34 minutes, 8 seconds.
• To count from 1 to 638,948,162,048 would take you about forty thousand, six hundred thirty-three 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 638948162048 cubic inches would be around 717.8 feet tall.

Recreational maths with 638948162048

• 638948162048 backwards is 840261849836
• The number of decimal digits it has is: 12
• The sum of 638948162048's digits is 59
• More coming soon!