640245379340320

Names of 640245379340320

• Cardinal: 640245379340320 can be written as Six hundred forty trillion, two hundred forty-five billion, three hundred seventy-nine million, three hundred forty thousand, three hundred twenty.

Scientific notation

• Scientific notation: 6.4024537934032 × 10¹⁴

Factors of 640245379340320

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 715

Divisors of 640245379340320

• Number of divisors d(n): 648
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 32 37 40 41 52 65 74 80 82 104 130 148 160 164 169 185 205 208 260 296 328 338 370 410 416 481 520 533 592 617 656 676 740 820 845 962 1040 1066 1184 1234 1312 1352 1480 1517 1640 1681 1690 1924 2080 2132 2405 2468 2665 2704 2960 3034 3085 3280 3362 3380 3848 4264 4810 4936 5330 5408 5920 6068 6170 6253 6560 6724 6760 6929 7585 7696 8021 8405 8528 9620 9872 10660 12136 12340 12506 13448 13520 13858 15170 15392 16042 16810 17056 19240 19721 19744 21320 21853 22829 24272 24680 25012 25297 26896 27040 27716 30340 31265 32084 33620 34645 38480 39442 40105 42640 43706 45658 48544 49360 50024 50594 53792 55432 60680 62197 62530 64168 67240 69290 76960 78884 80210 85280 87412 91316 98605 98720 100048 101188 104273 109265 110864 114145 121360 124394 125060 126485 128336 134480 138580 157768 160420 174824 182632 197210 200096 202376 208546 218530 221728 228290 242720 248788 250120 252970 256373 256672 268960 277160 284089 296777 310985 315536 320840 328861 349648 365264 380689 394420 404752 417092 437060 456580 497576 500240 505940 512746 521365 554320 568178 593554 621970 631072 641680 657722 699296 730528 761378 788840 808561 809504 834184 874120 913160 935989 995152 1000480 1011880 1025492 1037177 1042730 1108640 1136356 1187108 1243940 1281865 1283360 1315444 1420445 1483885 1522756 1577680 1617122 1644305 1668368 1748240 1826320 1871978 1903445 1990304 2023760 2050984 2074354 2085460 2272712 2374216 2487880 2563730 2630888 2840890 2967770 3045512 3155360 3234244 3288610 3336736 3496480 3652640 3743956 3806890 3858101 4042805 4047520 4101968 4148708 4170920 4275193 4545424 4679945 4748432 4948957 4975760 5127460 5185885 5261776 5681780 5935540 6091024 6468488 6577220 7487912 7613780 7716202 8085610 8203936 8297416 8341840 8550386 9090848 9359890 9496864 9897914 9951520 10254920 10371770 10511293 10523552 11363560 11871080 12167857 12182048 12936976 13154440 13483301 14085493 14975824 15227560 15432404 15608249 16171220 16594832 16683680 17100772 18719780 19290505 19795828 20509840 20743540 21022586 21375965 22727120 23742160 24335714 24744785 25873952 26308880 26966602 28170986 29951648 30455120 30864808 31216498 32342440 33189664 34201544 37439560 38375549 38581010 39591656 41019680 41487080 42045172 42751930 45454240 47484320 48671428 49489570 52556465 52617760 53933204 56341972 60839285 60910240 61729616 62432996 64336441 64684880 67416505 68403088 70427465 74879120 76751098 77162020 78041245 79183312 82974160 84090344 85503860 97342856 98979140 105112930 107866408 112683944 121678570 123459232 124865992 128672882 129369760 134833010 136806176 140854930 149758240 153502196 154324040 156082490 158182141 158366624 165948320 168180688 171007720 175282913 183111409 191877745 194685712 197958280 202907237 210225860 215732816 225367888 243357140 249731984 257345764 269666020 281709860 307004392 308648080 312164980 316364282 321682205 336361376 342015440 350565826 366222818 383755490 389371424 395916560 405814474 420451720 431465632 450735776 486714280 498882137 499463968 514691528 539332040 563419720 577505213 614008784 617296160 624329960 632728564 639938209 643364410 684030880 701131652 732445636 767510980 790910705 791833120 811628948 840903440 876414565 915557045 973428560 997764274 1014536185 1029383056 1078664080 1126839440 1155010426 1228017568 1248659920 1265457128 1279876418 1286728820 1402263304 1464891272 1535021960 1581821410 1623257896 1681806880 1752829130 1831114090 1946857120 1995528548 2029072370 2058766112 2157328160 2253678880 2310020852 2380448317 2494410685 2497319840 2530914256 2559752836 2573457640 2637794081 2804526608 2887526065 2929782544 3070043920 3163642820 3199691045 3246515792 3505658260 3662228180 3991057096 4058144740 4620041704 4760896634 4988821370 5061828512 5119505672 5146915280 5275588162 5609053216 5775052130 5859565088 6140087840 6327285640 6399382090 6485467781 6493031584 7011316520 7324456360 7507567769 7982114192 8116289480 8319196717 9240083408 9521793268 9977642740 10239011344 10293830560 10551176324 11550104260 11902241585 12654571280 12798764180 12970935562 13188970405 14022633040 14648912720 15015135538 15964228384 16232578960 16638393434 18480166816 19043586536 19955285480 20478022688 21102352648 23100208520 23677713733 23804483170 25309142560 25597528360 25941871124 26377940810 28045266080 29297825440 30030271076 32427338905 32465157920 33276786868 37537838845 38087173072 39910570960 41595983585 42204705296 46200417040 47355427466 47608966340 51195056720 51883742248 52755881620 60060542152 64854677810 66553573736 75075677690 76174346144 79821141920 83191967170 84409410592 92400834080 94710854932 95217932680 97598380997 102390113440 103767484496 105511763240 108149557321 118388568665 120121084304 129709355620 133107147472 150151355380 166383934340 189421709864 190435865360 195196761994 207534968992 211023526480 216299114642 236777137330 240242168608 259418711240 266214294944 300302710760 307810278529 332767868680 378843419728 380871730720 390393523988 422047052960 432598229284 473554274660 487991904985 518837422480 540747786605 600605421520 615620557058 665535737360 757686839456 780787047976 865196458568 947108549320 975983809970 1037674844960 1081495573210 1201210843040 1231241114116 1331071474720 1539051392645 1561574095952 1730392917136 1894217098640 1951967619940 2162991146420 2462482228232 3078102785290 3123148191904 3460785834272 3788434197280 3903935239880 4001533620877 4325982292840 4924964456464 6156205570580 7807870479760 8003067241754 8651964585680 9849928912928 12312411141160 15615740959520 16006134483508 17303929171360 20007668104385 24624822282320 32012268967016 40015336208770 49249644564640 64024537934032 80030672417540 128049075868064 160061344835080 320122689670160 640245379340320
• Sum of all divisors σ(n): 1726976952588132
• Sum of proper divisors (its aliquot sum) s(n): 1086731573247812
• 640245379340320 is an abundant number, because the sum of its proper divisors (1086731573247812) is greater than itself. Its abundance is 446486193907492

Bases of 640245379340320

• Binary: 10010001100100110010111110011001111001100000100000₂
• Hexadecimal: 0x2464CBE679820
• Base-36: 6AY4O07OKG

Squares and roots of 640245379340320

• 640245379340320 squared (640245379340320²) is 409914145766630255878377702400
• 640245379340320 cubed (640245379340320³) is 262445637753319415815018518658766709280768000
• The square root of 640245379340320 is 25303070.5516212005
• The cube root of 640245379340320 is 86188.3998140779

Scales and comparisons

• 640,245,379,340,320 seconds is equal to 20,357,822 years, 34 weeks, 1 hour, 38 minutes, 40 seconds.
• To count from 1 to 640,245,379,340,320 would take you about fifty million, eight hundred ninety-four thousand, five hundred fifty-six 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 640245379340320 cubic inches would be around 7182.4 feet tall.

Recreational maths with 640245379340320

• 640245379340320 backwards is 023043973542046
• 640245379340320 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 640245379340320's digits is 52
• More coming soon!