51388668240

Names of 51388668240

• Cardinal: 51388668240 can be written as Fifty-one billion, three hundred eighty-eight million, six hundred sixty-eight thousand, two hundred forty.

Scientific notation

• Scientific notation: 5.138866824 × 10¹⁰

Factors of 51388668240

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 3928

Divisors of 51388668240

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 13 14 15 16 20 21 24 26 28 30 35 39 40 42 47 48 52 56 60 65 70 78 80 84 91 94 104 105 112 120 130 140 141 156 168 169 182 188 195 208 210 235 240 260 273 280 282 312 329 336 338 364 376 390 420 455 470 507 520 546 560 564 611 624 658 676 705 728 752 780 840 845 910 940 987 1014 1040 1092 1128 1183 1222 1316 1352 1365 1410 1456 1560 1645 1680 1690 1820 1833 1880 1974 2028 2184 2256 2366 2444 2535 2632 2704 2730 2820 3055 3120 3290 3380 3549 3640 3666 3760 3851 3948 4056 4277 4368 4732 4888 4935 5070 5264 5460 5640 5915 6110 6580 6760 7098 7280 7332 7702 7896 7943 8112 8554 9165 9464 9776 9870 10140 10920 11280 11553 11830 12220 12831 13160 13520 14196 14664 15404 15792 15886 17108 17745 18330 18928 19255 19740 20280 21385 21840 23106 23660 23829 24440 25662 26320 26957 28392 29328 30808 31772 34216 35490 36660 38510 39480 39715 40560 42770 46212 47320 47658 48880 50063 51324 53914 55601 56784 57765 61616 63544 64155 68432 70980 73320 77020 78960 79430 80871 85540 92424 94640 95316 100126 102648 107828 111202 115530 119145 127088 128310 134785 141960 146640 150189 154040 158860 161742 166803 171080 180997 184848 190632 200252 205296 215656 222404 231060 238290 250315 256620 269570 278005 283920 300378 308080 317720 323484 333606 342160 350441 361994 381264 400504 404355 431312 444808 462120 476580 500630 513240 539140 542991 556010 600756 635440 646968 650819 667212 700882 723988 750945 801008 808710 834015 889616 904985 924240 953160 1001260 1026480 1051323 1078280 1085982 1112020 1201512 1266979 1293936 1301638 1334424 1401764 1447976 1501890 1617420 1668030 1752205 1809970 1906320 1952457 2002520 2102646 2156560 2171964 2224040 2352961 2403024 2533958 2603276 2668848 2714955 2803528 2895952 3003780 3234840 3254095 3336060 3504410 3619940 3800937 3904914 4005040 4205292 4343928 4448080 4555733 4705922 5067916 5206552 5256615 5429910 5607056 6007560 6334895 6469680 6508190 6672120 7008820 7058883 7239880 7601874 7809828 8410584 8687856 9111466 9411844 9762285 10135832 10413104 10513230 10859820 11764805 12015120 12669790 13016380 13344240 13667199 14017640 14117766 14479760 15203748 15619656 16470727 16821168 18222932 18823688 19004685 19524570 20271664 21026460 21719640 22778665 23529610 25339580 26032760 27334398 28035280 28235532 30407496 30588493 31239312 32941454 35294415 36445864 37647376 38009370 39049140 42052920 43439280 45557330 47059220 49412181 50679160 52065520 54668796 56471064 60814992 61176986 65882908 68335995 70588830 72891728 76018740 78098280 82353635 84105840 91114660 91765479 94118440 98824362 101358320 109337592 112942128 122353972 131765816 136671990 141177660 152037480 152942465 156196560 164707270 182229320 183530958 188236880 197648724 214119451 218675184 244707944 247060905 263531632 273343980 282355320 304074960 305884930 329414540 364458640 367061916 395297448 428238902 458827395 489415888 494121810 546687960 564710640 611769860 642358353 658829080 734123832 790594896 856477804 917654790 988243620 1070597255 1093375920 1223539720 1284716706 1317658160 1468247664 1712955608 1835309580 1976487240 2141194510 2447079440 2569433412 3211791765 3425911216 3670619160 3952974480 4282389020 5138866824 6423583530 7341238320 8564778040 10277733648 12847167060 17129556080 25694334120 51388668240
• Sum of all divisors σ(n): 201391681536
• Sum of proper divisors (its aliquot sum) s(n): 150003013296
• 51388668240 is an abundant number, because the sum of its proper divisors (150003013296) is greater than itself. Its abundance is 98614345056

Bases of 51388668240

• Binary: 101111110111000000001101100101010000₂
• Hexadecimal: 0xBF700D950
• Base-36: NLVHI6O

Squares and roots of 51388668240

• 51388668240 squared (51388668240²) is 2640795223480784697600
• 51388668240 cubed (51388668240³) is 135706949629230702839835124224000
• The square root of 51388668240 is 226690.6884721999
• The cube root of 51388668240 is 3717.8265196901

Scales and comparisons

• 51,388,668,240 seconds is equal to 1,634 years, 6 hours, 4 minutes.
• To count from 1 to 51,388,668,240 would take you about three thousand, two hundred sixty-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 51388668240 cubic inches would be around 309.8 feet tall.

Recreational maths with 51388668240

• 51388668240 backwards is 04286688315
• The number of decimal digits it has is: 11
• The sum of 51388668240's digits is 51
• More coming soon!