42729729840

Names of 42729729840

• Cardinal: 42729729840 can be written as Forty-two billion, seven hundred twenty-nine million, seven hundred twenty-nine thousand, eight hundred forty.

Scientific notation

• Scientific notation: 4.272972984 × 10¹⁰

Factors of 42729729840

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 656

Divisors of 42729729840

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 17 18 20 21 24 28 29 30 34 35 36 40 42 45 48 51 56 58 60 63 68 70 72 80 84 85 87 90 102 105 112 116 119 120 126 136 140 144 145 153 168 170 174 180 203 204 210 232 238 240 252 255 261 272 280 290 306 315 336 340 348 357 360 406 408 420 435 464 476 493 504 510 522 560 580 593 595 609 612 630 680 696 714 720 765 812 816 840 841 870 952 986 1008 1015 1020 1044 1071 1160 1186 1190 1218 1224 1260 1305 1360 1392 1428 1479 1530 1624 1680 1682 1740 1779 1785 1827 1904 1972 2030 2040 2088 2142 2320 2372 2380 2436 2448 2465 2520 2523 2610 2856 2958 2965 3045 3060 3248 3364 3451 3480 3558 3570 3654 3944 4060 4080 4151 4176 4205 4284 4437 4744 4760 4872 4930 5040 5046 5220 5337 5355 5712 5887 5916 5930 6090 6120 6728 6902 6960 7116 7140 7308 7395 7569 7888 8120 8302 8410 8568 8874 8895 9135 9488 9520 9744 9860 10081 10092 10353 10440 10674 10710 11774 11832 11860 12180 12240 12453 12615 13456 13804 14232 14280 14297 14616 14790 15138 16240 16604 16820 17136 17197 17255 17661 17748 17790 18270 19720 20162 20184 20706 20755 20880 21348 21420 22185 23548 23664 23720 24360 24906 25230 26685 27608 28464 28560 28594 29232 29435 29580 30243 30276 31059 33208 33640 34394 34510 35322 35496 35580 36540 37359 37845 39440 40324 40368 41412 41510 42696 42840 42891 44370 47096 47440 48720 49812 50405 50460 51591 51765 52983 53370 55216 57188 58870 59160 60486 60552 62118 62265 66416 67280 68788 69020 70567 70644 70992 71160 71485 73080 74718 75690 80648 82824 83020 85392 85680 85782 85985 88305 88740 90729 94192 99624 100079 100810 100920 103182 103530 105966 106740 114376 117740 118320 120379 120972 121104 124236 124530 128673 137576 138040 141134 141288 142320 142970 146160 149436 151215 151380 154773 155295 161296 165648 166040 171564 171970 176610 177480 181458 186795 199248 200158 201620 201840 206364 207060 211701 211932 213480 214455 228752 235480 240758 241944 248472 249060 257346 257955 264915 275152 276080 282268 282576 285940 292349 298872 300237 302430 302760 309546 310590 332080 343128 343940 352835 353220 354960 361137 362916 373590 400316 403240 412728 414120 423402 423864 426960 428910 453645 470960 481516 483888 496944 498120 498713 500395 514692 515910 529830 564536 571880 584698 597744 600474 601895 604860 605520 619092 621180 635103 643365 686256 687880 705670 706440 722274 725832 747180 773865 800632 806480 825456 828240 846804 847728 857820 877047 900711 907290 963032 996240 997426 1000790 1029384 1031820 1058505 1059660 1083411 1129072 1143760 1169396 1200948 1203790 1209720 1238184 1242360 1270206 1286730 1375760 1411340 1412880 1444548 1451664 1461745 1494360 1496139 1501185 1547730 1601264 1693608 1715640 1754094 1801422 1805685 1814580 1926064 1994852 2001580 2046443 2058768 2063640 2117010 2119320 2166822 2338792 2401896 2407580 2419440 2476368 2484720 2493565 2540412 2573460 2631141 2822680 2889096 2923490 2988720 2992278 3002370 3095460 3175515 3387216 3431280 3490991 3508188 3602844 3611370 3629160 3989704 4003160 4092886 4127280 4234020 4238640 4333644 4385235 4488417 4503555 4677584 4803792 4815160 4987130 5080824 5146920 5262282 5417055 5645360 5778192 5846980 5984556 6004740 6139329 6190920 6351030 6981982 7016376 7205688 7222740 7258320 7480695 7979408 8006320 8185772 8468040 8478121 8667288 8770470 8976834 9007110 9630320 9974260 10161648 10232215 10293840 10472973 10524564 10834110 11693960 11969112 12009480 12278658 12381840 12702060 13155705 13963964 14032752 14411376 14445480 14961390 16371544 16936080 16956242 17334576 17454955 17540940 17953668 18014220 18417987 19948520 20464430 20945946 21049128 21668220 22442085 23387920 23938224 24018960 24557316 25404120 25434363 26311410 27927928 28890960 29922780 30696645 31418919 32743088 33912484 34909910 35081880 35907336 36028440 36835974 39897040 40928860 41891892 42098256 42390605 43336440 44884170 49114632 50808240 50868726 52364865 52622820 55855856 59346847 59845560 61393290 62837838 67824968 69819820 70163760 71814672 72056880 73671948 76303089 81857720 83783784 84781210 86672880 89768340 92089935 98229264 101737452 104729730 105245640 118693694 119691120 122786580 125675676 127171815 135649936 139639640 147343896 152606178 157094595 163715440 167567568 169562420 178040541 179536680 184179870 203474904 209459460 210491280 237387388 245573160 251351352 254343630 279279280 294687792 296734235 305212356 314189190 339124840 356081082 359073360 368359740 381515445 406949808 418918920 474774776 491146320 502702704 508687260 534121623 593468470 610424712 628378380 678249680 712162164 736719480 763030890 837837840 890202705 949549552 1017374520 1068243246 1186936940 1220849424 1256756760 1424324328 1473438960 1526061780 1780405410 2034749040 2136486492 2373873880 2513513520 2670608115 2848648656 3052123560 3560810820 4272972984 4747747760 5341216230 6104247120 7121621640 8545945968 10682432460 14243243280 21364864920 42729729840
• Sum of all divisors σ(n): 180145487808
• Sum of proper divisors (its aliquot sum) s(n): 137415757968
• 42729729840 is an abundant number, because the sum of its proper divisors (137415757968) is greater than itself. Its abundance is 94686028128

Bases of 42729729840

• Binary: 100111110010111000111110111100110000₂
• Hexadecimal: 0x9F2E3EF30
• Base-36: JMO6EK0

Squares and roots of 42729729840

• 42729729840 squared (42729729840²) is 1825829812199386425600
• 42729729840 cubed (42729729840³) is 78017214609097718179651259904000
• The square root of 42729729840 is 206711.7070704995
• The cube root of 42729729840 is 3496.0425975815

Scales and comparisons

• 42,729,729,840 seconds is equal to 1,358 years, 35 weeks, 1 hour, 24 minutes.
• To count from 1 to 42,729,729,840 would take you about two thousand, seven hundred seventeen 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 42729729840 cubic inches would be around 291.3 feet tall.

Recreational maths with 42729729840

• 42729729840 backwards is 04892792724
• The number of decimal digits it has is: 11
• The sum of 42729729840's digits is 54
• More coming soon!