640794911328

Names of 640794911328

• Cardinal: 640794911328 can be written as Six hundred forty billion, seven hundred ninety-four million, nine hundred eleven thousand, three hundred twenty-eight.

Scientific notation

• Scientific notation: 6.40794911328 × 10¹¹

Factors of 640794911328

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 2101

Divisors of 640794911328

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 13 16 18 22 24 26 27 32 33 36 39 44 48 52 54 66 72 78 81 88 96 99 104 108 117 132 143 144 156 162 176 198 208 216 234 243 264 286 288 297 312 324 331 351 352 396 416 429 432 468 486 528 572 594 624 648 662 702 792 858 864 891 936 972 993 1053 1056 1144 1188 1248 1287 1296 1324 1404 1584 1716 1741 1782 1872 1944 1986 2106 2288 2376 2574 2592 2648 2673 2808 2979 3159 3168 3432 3482 3564 3641 3744 3861 3888 3972 4212 4303 4576 4752 5148 5223 5296 5346 5616 5958 6318 6864 6964 7128 7282 7722 7776 7944 8424 8606 8937 9504 10296 10446 10592 10692 10923 11232 11583 11916 12636 12909 13728 13928 14256 14564 15444 15669 15888 16848 17212 17874 19151 20592 20892 21384 21846 22633 23166 23832 25272 25818 26811 27856 28512 29128 30888 31338 31776 32769 33696 34424 34749 35748 38302 38727 41184 41784 42768 43692 45266 46332 47007 47333 47664 50544 51636 53622 55712 57453 58256 61776 62676 65538 67899 68848 69498 71496 76604 77454 80433 83568 85536 87384 90532 92664 94014 94666 95328 98307 101088 103272 107244 114906 116181 116512 123552 125352 131076 135798 137696 138996 141021 141999 142992 153208 154908 160866 167136 172359 174768 181064 185328 188028 189332 196614 203697 206544 214488 229812 232362 248963 250704 262152 271596 277992 282042 283998 285984 294921 306416 309816 321732 344718 348543 349536 362128 370656 376056 378664 393228 407394 413088 423063 425997 428976 459624 464724 497926 501408 517077 524304 543192 555984 564084 567996 576271 589842 611091 612832 619632 643464 689436 697086 724256 746889 752112 757328 786456 814788 846126 851994 857952 884763 919248 929448 995852 1034154 1045629 1048608 1086384 1111968 1128168 1135992 1152542 1179684 1222182 1239264 1277991 1286928 1378872 1394172 1493778 1504224 1514656 1551231 1572912 1629576 1692252 1703988 1728813 1769526 1833273 1838496 1858896 1991704 2068308 2091258 2172768 2240667 2256336 2271984 2305084 2359368 2444364 2555982 2573856 2757744 2788344 2987556 3102462 3145824 3259152 3384504 3407976 3457626 3539052 3666546 3717792 3833973 3983408 4136616 4182516 4481334 4512672 4543968 4610168 4653693 4718736 4888728 5111964 5186439 5499819 5515488 5576688 5975112 6204924 6338981 6518304 6722001 6769008 6815952 6915252 7078104 7333092 7491523 7667946 7966816 8273232 8365032 8962668 9220336 9307386 9437472 9777456 10223928 10372878 10999638 11153376 11501919 11950224 12409848 12677962 13444002 13538016 13631904 13830504 14156208 14666184 14983046 15335892 15559317 16546464 16730064 17925336 18440672 18614772 19016943 19554912 20166003 20447856 20745756 21999276 22474569 23003838 23900448 24819696 25355924 26888004 27661008 28312416 29332368 29966092 30671784 31118634 33460128 35850672 37229544 38033886 40332006 40895712 41491512 43998552 44949138 46007676 46677951 49639392 50711848 53776008 55322016 57050829 58664736 59932184 60498009 61343568 62237268 67423707 71701344 74459088 76067772 80664012 82406753 82983024 87997104 89898276 92015352 93355902 101423696 107552016 114101658 119864368 120996018 122687136 124474536 134847414 140033853 148918176 152135544 161328024 164813506 165966048 171152487 175994208 179796552 184030704 186711804 202271121 202847392 215104032 228203316 239728736 241992036 247220259 248949072 269694828 280067706 304271088 322656048 329627012 342304974 359593104 368061408 373423608 404542242 456406632 483984072 494440518 497898144 513457461 539389656 560135412 606813363 608542176 645312096 659254024 684609948 719186208 741660777 746847216 809084484 912813264 967968144 988881036 1026914922 1078779312 1120270824 1213626726 1318508048 1369219896 1483321554 1493694432 1540372383 1618168968 1820440089 1825626528 1935936288 1977762072 2053829844 2157558624 2224982331 2240541648 2427253452 2637016096 2738439792 2966643108 3080744766 3236337936 3640880178 3955524144 4107659688 4449964662 4481083296 4854506904 5476879584 5933286216 6161489532 6472675872 6674946993 7281760356 7911048288 8215319376 8899929324 9709013808 11866572432 12322979064 13349893986 14563520712 16430638752 17799858648 19418027616 20024840979 23733144864 24645958128 26699787972 29127041424 35599717296 40049681958 49291916256 53399575944 58254082848 71199434592 80099363916 106799151888 160198727832 213598303776 320397455664 640794911328
• Sum of all divisors σ(n): 2228114214144
• Sum of proper divisors (its aliquot sum) s(n): 1587319302816
• 640794911328 is an abundant number, because the sum of its proper divisors (1587319302816) is greater than itself. Its abundance is 946524391488

Bases of 640794911328

• Binary: 1001010100110010010110100110001001100000₂
• Hexadecimal: 0x95325A6260
• Base-36: 86DKQU00

Squares and roots of 640794911328

• 640794911328 squared (640794911328²) is 410618118383859382723584
• 640794911328 cubed (640794911328³) is 263122000759455379818779824414359552
• The square root of 640794911328 is 800496.6654071709
• The cube root of 640794911328 is 8621.3051684431

Scales and comparisons

• 640,794,911,328 seconds is equal to 20,375 years, 15 weeks, 2 days, 18 hours, 28 minutes, 48 seconds.
• To count from 1 to 640,794,911,328 would take you about forty thousand, seven hundred fifty 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 640794911328 cubic inches would be around 718.4 feet tall.

Recreational maths with 640794911328

• 640794911328 backwards is 823119497046
• 640794911328 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 640794911328's digits is 54
• More coming soon!