668462000640

Names of 668462000640

• Cardinal: 668462000640 can be written as Six hundred sixty-eight billion, four hundred sixty-two million, six hundred forty.

Scientific notation

• Scientific notation: 6.6846200064 × 10¹¹

Factors of 668462000640

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 5316

Divisors of 668462000640

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 19 20 21 24 28 30 32 35 38 40 42 48 56 57 60 64 70 76 80 84 95 96 105 112 114 120 127 128 133 140 152 160 168 190 192 210 224 228 240 254 256 266 280 285 304 320 336 380 381 384 399 420 448 456 480 508 512 532 560 570 608 635 640 665 672 760 762 768 798 840 889 896 912 960 1016 1064 1120 1140 1216 1270 1280 1330 1344 1520 1524 1536 1596 1680 1778 1792 1824 1905 1920 1995 2032 2128 2240 2280 2413 2432 2540 2560 2660 2667 2688 3040 3048 3192 3360 3556 3584 3648 3810 3840 3990 4064 4256 4445 4480 4560 4826 4864 5080 5153 5320 5334 5376 6080 6096 6384 6720 7112 7239 7296 7620 7680 7980 8128 8512 8890 8960 9120 9652 9728 10160 10306 10640 10668 10752 12065 12160 12192 12768 13335 13440 14224 14478 14592 15240 15459 15960 16256 16891 17024 17780 17920 18240 19304 20320 20612 21280 21336 24130 24320 24384 25536 25765 26670 26880 28448 28956 29184 30480 30918 31920 32512 33782 34048 35560 36071 36195 36480 38608 40640 41224 42560 42672 48260 48640 48768 50673 51072 51530 53340 53760 56896 57912 60960 61836 63840 65024 67564 68096 71120 72142 72390 72960 77216 77295 81280 82448 84455 85120 85344 96520 97536 97907 101346 102144 103060 106680 108213 113792 115824 121920 123672 127680 135128 142240 144284 144780 145920 154432 154590 162560 164896 168910 170240 170688 180355 193040 195072 195814 202692 204288 206120 213360 216426 227584 231648 243840 247344 253365 255360 270256 284480 288568 289560 293721 308864 309180 325120 329792 337820 340480 341376 360710 386080 391628 405384 412240 426720 432852 455168 463296 487680 489535 494688 506730 510720 540512 541065 568960 577136 579120 587442 617728 618360 654431 659584 675640 682752 685349 721420 772160 783256 810768 824480 853440 865704 926592 975360 979070 989376 1013460 1021440 1081024 1082130 1137920 1154272 1158240 1174884 1235456 1236720 1308862 1319168 1351280 1365504 1370698 1442840 1468605 1544320 1566512 1621536 1648960 1706880 1731408 1853184 1958140 1963293 1978752 2026920 2056047 2162048 2164260 2275840 2308544 2316480 2349768 2473440 2617724 2638336 2702560 2741396 2885680 2937210 3088640 3133024 3243072 3272155 3297920 3413760 3426745 3462816 3706368 3916280 3926586 3957504 4053840 4112094 4324096 4328520 4581017 4617088 4632960 4699536 4946880 5235448 5405120 5482792 5771360 5874420 6177280 6266048 6486144 6544310 6595840 6827520 6853490 6925632 7832560 7853172 7915008 8107680 8224188 8648192 8657040 9162034 9234176 9265920 9399072 9816465 9893760 10280235 10470896 10810240 10965584 11542720 11748840 12434189 12532096 12972288 13088620 13191680 13706980 13743051 13851264 15665120 15706344 16215360 16448376 17314080 18324068 18468352 18531840 18798144 19632930 19787520 20560470 20941792 21620480 21931168 22905085 23085440 23497680 24868378 25064192 25944576 26177240 27413960 27486102 27702528 31330240 31412688 32430720 32896752 34628160 36648136 37302567 37596288 39265860 39575040 41120940 41883584 43240960 43862336 45810170 46170880 46995360 49736756 50128384 52354480 54827920 54972204 55405056 62170945 62660480 62825376 64861440 65793504 68715255 69256320 73296272 74605134 75192576 78531720 82241880 83767168 87039323 87724672 91620340 92341760 93990720 99473512 104708960 109655840 109944408 124341890 125320960 125650752 129722880 131587008 137430510 138512640 146592544 149210268 150385152 157063440 164483760 167534336 174078646 175449344 183240680 186512835 187981440 198947024 209417920 219311680 219888816 248683780 250641920 251301504 261117969 263174016 274861020 277025280 293185088 298420536 314126880 328967520 335068672 348157292 350898688 366481360 373025670 375962880 397894048 418835840 435196615 438623360 439777632 497367560 502603008 522235938 526348032 549722040 586370176 596841072 628253760 657935040 696314584 732962720 746051340 751925760 795788096 837671680 870393230 877246720 879555264 994735120 1005206016 1044471876 1052696064 1099444080 1172740352 1193682144 1256507520 1305589845 1315870080 1392629168 1465925440 1492102680 1591576192 1675343360 1740786460 1754493440 1759110528 1989470240 2088943752 2198888160 2345480704 2387364288 2513015040 2611179690 2631740160 2785258336 2931850880 2984205360 3183152384 3481572920 3518221056 3978940480 4177887504 4397776320 4774728576 5026030080 5222359380 5263480320 5570516672 5863701760 5968410720 6366304768 6963145840 7036442112 7957880960 8355775008 8795552640 9549457152 10444718760 11141033344 11727403520 11936821440 13926291680 15915761920 16711550016 17591105280 19098914304 20889437520 22282066688 23873642880 27852583360 31831523840 33423100032 35182210560 41778875040 44564133376 47747285760 55705166720 66846200064 83557750080 95494571520 111410333440 133692400128 167115500160 222820666880 334231000320 668462000640
• Sum of all divisors σ(n): 2591559843840
• Sum of proper divisors (its aliquot sum) s(n): 1923097843200
• 668462000640 is an abundant number, because the sum of its proper divisors (1923097843200) is greater than itself. Its abundance is 1254635842560

Bases of 668462000640

• Binary: 1001101110100011011100001010101000000000₂
• Hexadecimal: 0x9BA370AA00
• Base-36: 8J350KQO

Squares and roots of 668462000640

• 668462000640 squared (668462000640²) is 446841446299631360409600
• 668462000640 cubed (668462000640³) is 298696527162322704073886105862144000
• The square root of 668462000640 is 817595.2547807503
• The cube root of 668462000640 is 8743.6394619459

Scales and comparisons

• 668,462,000,640 seconds is equal to 21,255 years, 1 week, 1 day, 17 hours, 4 minutes.
• To count from 1 to 668,462,000,640 would take you about forty-two thousand, five hundred ten 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 668462000640 cubic inches would be around 728.6 feet tall.

Recreational maths with 668462000640

• 668462000640 backwards is 046000264866
• 668462000640 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 668462000640's digits is 42
• More coming soon!