68742281664

Names of 68742281664

• Cardinal: 68742281664 can be written as Sixty-eight billion, seven hundred forty-two million, two hundred eighty-one thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 6.8742281664 × 10¹⁰

Factors of 68742281664

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 1632

Divisors of 68742281664

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 64 72 81 84 96 108 112 126 144 162 168 189 192 216 224 243 252 288 324 336 378 432 448 486 504 567 576 648 653 672 756 864 967 972 1008 1134 1296 1306 1344 1512 1701 1728 1934 1944 1959 2016 2268 2592 2612 2901 3024 3402 3868 3888 3918 4032 4536 4571 5184 5224 5802 5877 6048 6769 6804 7736 7776 7836 8703 9072 9142 10448 11604 11754 12096 13538 13608 13713 15472 15552 15672 17406 17631 18144 18284 20307 20896 23208 23508 26109 27076 27216 27426 30944 31344 34812 35262 36288 36568 40614 41139 41792 46416 47016 52218 52893 54152 54432 54852 60921 61888 62688 69624 70524 73136 78327 81228 82278 92832 94032 104436 105786 108304 108864 109704 121842 123417 125376 139248 141048 146272 156654 158679 162456 164556 182763 185664 188064 208872 211572 216608 219408 234981 243684 246834 278496 282096 292544 313308 317358 324912 329112 365526 370251 376128 417744 423144 433216 438816 469962 487368 493668 548289 556992 564192 626616 631451 634716 649824 658224 731052 740502 835488 846288 877632 939924 974736 987336 1096578 1110753 1128384 1253232 1262902 1269432 1299648 1316448 1462104 1481004 1644867 1670976 1692576 1879848 1894353 1949472 1974672 2193156 2221506 2506464 2525804 2538864 2632896 2924208 2962008 3289734 3385152 3759696 3788706 3898944 3949344 4386312 4420157 4443012 5012928 5051608 5077728 5683059 5848416 5924016 6579468 7519392 7577412 7898688 8772624 8840314 8886024 10103216 10155456 11366118 11696832 11848032 13158936 13260471 15038784 15154824 17049177 17545248 17680628 17772048 20206432 22732236 23696064 26317872 26520942 30309648 34098354 35090496 35361256 35544096 39781413 40412864 45464472 51147531 52635744 53041884 60619296 68196708 70722512 71088192 79562826 90928944 102295062 105271488 106083768 119344239 121238592 136393416 141445024 153442593 159125652 181857888 204590124 212167536 238688478 272786832 282890048 306885186 318251304 358032717 363715776 409180248 424335072 477376956 545573664 613770372 636502608 716065434 818360496 848670144 954753912 1074098151 1091147328 1227540744 1273005216 1432130868 1636720992 1909507824 2148196302 2455081488 2546010432 2864261736 3273441984 3819015648 4296392604 4910162976 5728523472 7638031296 8592785208 9820325952 11457046944 17185570416 22914093888 34371140832 68742281664
• Sum of all divisors σ(n): 234125219328
• Sum of proper divisors (its aliquot sum) s(n): 165382937664
• 68742281664 is an abundant number, because the sum of its proper divisors (165382937664) is greater than itself. Its abundance is 96640656000

Bases of 68742281664

• Binary: 1000000000001010110111111100111000000₂
• Hexadecimal: 0x10015BF9C0
• Base-36: VKVDO00

Squares and roots of 68742281664

• 68742281664 squared (68742281664²) is 4725501288372710608896
• 68742281664 cubed (68742281664³) is 324841740568911760887889776082944
• The square root of 68742281664 is 262187.4933401667
• The cube root of 68742281664 is 4096.4530430997

Scales and comparisons

• 68,742,281,664 seconds is equal to 2,185 years, 41 weeks, 1 day, 6 hours, 14 minutes, 24 seconds.
• To count from 1 to 68,742,281,664 would take you about four thousand, three hundred seventy-one 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 68742281664 cubic inches would be around 341.4 feet tall.

Recreational maths with 68742281664

• 68742281664 backwards is 46618224786
• 68742281664 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 68742281664's digits is 54
• More coming soon!