638340650094

Names of 638340650094

• Cardinal: 638340650094 can be written as Six hundred thirty-eight billion, three hundred forty million, six hundred fifty thousand and ninety-four.

Scientific notation

• Scientific notation: 6.38340650094 × 10¹¹

Factors of 638340650094

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 984

Divisors of 638340650094

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 6 7 14 21 31 42 49 62 93 98 147 186 217 294 343 434 651 686 941 961 1029 1302 1519 1882 1922 2058 2401 2823 2883 3038 4557 4802 5646 5766 6587 6727 7203 9114 10633 13174 13454 14406 16807 19761 20181 21266 29171 31899 33614 39522 40362 46109 47089 50421 58342 63798 74431 87513 92218 94178 100842 117649 138327 141267 148862 175026 204197 223293 235298 276654 282534 322763 329623 352947 408394 446586 521017 612591 645526 659246 705894 904301 968289 988869 1042034 1225182 1429379 1563051 1808602 1936578 1977738 2259341 2307361 2712903 2858758 3126102 3647119 4288137 4518682 4614722 5425806 6330107 6778023 6922083 7294238 8576274 10005653 10941357 12660214 13556046 13844166 15815387 16151527 18990321 20011306 21882714 30016959 31630774 32303054 37980642 44310749 47446161 48454581 60033918 70039571 88621498 94892322 96909162 110707709 113060689 132932247 140079142 210118713 221415418 226121378 265864494 310175243 332123127 339182067 420237426 490276997 620350486 664246254 678364134 930525729 980553994 1470830991 1861051458 2171226701 2941661982 3431938979 4342453402 6513680103 6863877958 10295816937 13027360206 15198586907 20591633874 30397173814 45595760721 91191521442 106390108349 212780216698 319170325047 638340650094
• Sum of all divisors σ(n): 1540692256104
• Sum of proper divisors (its aliquot sum) s(n): 902351606010
• 638340650094 is an abundant number, because the sum of its proper divisors (902351606010) is greater than itself. Its abundance is 264010955916

Bases of 638340650094

• Binary: 1001010010100000000100010101010001101110₂
• Hexadecimal: 0x94A011546E
• Base-36: 858ZJHWU

Squares and roots of 638340650094

• 638340650094 squared (638340650094²) is 407478785562430542208836
• 638340650094 cubed (638340650094³) is 260110272875435533736309278951030584
• The square root of 638340650094 is 798962.2332088045
• The cube root of 638340650094 is 8610.2844786697

Scales and comparisons

• 638,340,650,094 seconds is equal to 20,297 years, 13 weeks, 2 days, 23 hours, 14 minutes, 54 seconds.
• To count from 1 to 638,340,650,094 would take you about forty thousand, five hundred ninety-four 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 638340650094 cubic inches would be around 717.5 feet tall.

Recreational maths with 638340650094

• 638340650094 backwards is 490056043836
• The number of decimal digits it has is: 12
• The sum of 638340650094's digits is 48
• More coming soon!