642490854912

Names of 642490854912

• Cardinal: 642490854912 can be written as Six hundred forty-two billion, four hundred ninety million, eight hundred fifty-four thousand, nine hundred twelve.

Scientific notation

• Scientific notation: 6.42490854912 × 10¹¹

Factors of 642490854912

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 2373

Divisors of 642490854912

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 256 257 288 384 512 514 576 768 771 1028 1152 1536 1542 2056 2111 2304 2313 3084 4112 4222 4608 4626 6168 6333 8224 8444 9252 12336 12666 16448 16888 18504 18999 24672 25332 32896 33776 37008 37998 49344 50664 65792 66049 67552 74016 75996 98688 101328 131584 132098 135104 148032 151992 197376 198147 202656 264196 270208 296064 303984 394752 396294 405312 528392 540416 542527 592128 594441 607968 792588 810624 1056784 1080832 1085054 1184256 1188882 1215936 1585176 1621248 1627581 2113568 2170108 2377764 2431872 3170352 3242496 3255162 4227136 4340216 4755528 4863744 4882743 6340704 6510324 8454272 8680432 9511056 9727488 9765486 12681408 13020648 16908544 17360864 19022112 19530972 25362816 26041296 33817088 34721728 38044224 39061944 50725632 52082592 69443456 76088448 78123888 101451264 104165184 138886912 139429439 152176896 156247776 208330368 277773824 278858878 304353792 312495552 416660736 418288317 557717756 624991104 833321472 836576634 1115435512 1249982208 1254864951 1673153268 2230871024 2499964416 2509729902 3346306536 4461742048 5019459804 6692613072 8923484096 10038919608 13385226144 17846968192 20077839216 26770452288 35693936384 40155678432 53540904576 71387872768 80311356864 107081809152 160622713728 214163618304 321245427456 642490854912
• Sum of all divisors σ(n): 1862397066816
• Sum of proper divisors (its aliquot sum) s(n): 1219906211904
• 642490854912 is an abundant number, because the sum of its proper divisors (1219906211904) is greater than itself. Its abundance is 577415356992

Bases of 642490854912

• Binary: 1001010110010111011100000110111000000000₂
• Hexadecimal: 0x9597706E00
• Base-36: 875MGSG0

Squares and roots of 642490854912

• 642490854912 squared (642490854912²) is 412794498645552634527744
• 642490854912 cubed (642490854912³) is 265216690337751538224424131942678528
• The square root of 642490854912 is 801555.2725246089
• The cube root of 642490854912 is 8628.9042545551

Scales and comparisons

• 642,490,854,912 seconds is equal to 20,429 years, 11 weeks, 3 days, 17 hours, 55 minutes, 12 seconds.
• To count from 1 to 642,490,854,912 would take you about forty thousand, eight hundred fifty-eight 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 642490854912 cubic inches would be around 719.1 feet tall.

Recreational maths with 642490854912

• 642490854912 backwards is 219458094246
• The number of decimal digits it has is: 12
• The sum of 642490854912's digits is 54
• More coming soon!