1644630388128

Names of 1644630388128

• Cardinal: 1644630388128 can be written as One trillion, six hundred forty-four billion, six hundred thirty million, three hundred eighty-eight thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 1.644630388128 × 10¹²

Factors of 1644630388128

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 1351

Divisors of 1644630388128

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 19 21 24 26 28 32 36 38 39 42 48 49 52 56 57 63 72 76 78 84 91 96 98 104 112 114 117 126 133 144 147 152 156 168 171 182 196 208 224 228 234 247 252 266 273 288 294 304 312 336 342 361 364 392 399 416 441 456 468 494 504 532 546 588 608 624 637 672 684 722 728 741 784 798 819 882 912 931 936 988 1008 1064 1083 1092 1176 1197 1248 1274 1307 1368 1444 1456 1482 1568 1596 1638 1729 1764 1824 1862 1872 1911 1976 2016 2128 2166 2184 2223 2352 2394 2527 2548 2614 2736 2793 2888 2912 2964 3192 3249 3276 3458 3528 3724 3744 3822 3921 3952 4256 4332 4368 4446 4693 4704 4788 5054 5096 5187 5228 5472 5586 5733 5776 5928 6384 6498 6552 6859 6916 7056 7448 7581 7644 7842 7904 8379 8664 8736 8892 9149 9386 9576 10108 10192 10374 10456 11172 11466 11552 11763 11856 12103 12768 12996 13104 13718 13832 14079 14112 14896 15162 15288 15561 15684 16758 16991 17328 17689 17784 18298 18772 19152 20216 20384 20577 20748 20912 22344 22743 22932 23526 23712 24206 24833 25992 26208 27436 27447 27664 28158 29792 30324 30576 31122 31368 32851 33516 33982 34656 35378 35568 36309 36596 37544 38304 40432 41154 41496 41824 42237 44688 45486 45864 47052 48013 48412 49666 50973 51984 53067 54872 54894 55328 56316 60648 61152 61731 62244 62736 64043 65702 67032 67964 70756 71136 72618 73192 74499 75088 80864 82308 82341 82992 84474 89167 89376 90972 91728 94104 96026 96824 98553 99332 101946 103968 106134 108927 109744 109788 112632 118937 121296 123462 124488 125472 128086 131404 134064 135928 141512 144039 145236 146384 148998 150176 152919 159201 164616 164682 165984 168948 173831 178334 181944 183456 188208 192052 192129 193648 197106 198664 203892 212268 217854 219488 219576 223497 225264 229957 237874 242592 246924 248976 256172 262808 267501 268128 271856 283024 288078 290472 292768 295659 297996 305838 318402 322829 329232 329364 336091 337896 347662 356668 356811 363888 376416 384104 384258 387296 394212 397328 407784 424536 432117 435708 439152 446994 450528 459914 471827 475748 493848 497952 512344 521493 525616 535002 543712 566048 576156 576387 580944 591318 595992 611676 624169 636804 645658 658464 658728 672182 675792 689871 695324 713336 713622 727776 768208 768516 788424 794656 802503 815568 832559 849072 864234 871416 878304 893988 919828 943654 951496 968487 987696 1008273 1024688 1042986 1051232 1070004 1070433 1152312 1152774 1161888 1182636 1191984 1216817 1223352 1248338 1273608 1291316 1317456 1344364 1351584 1379742 1390648 1415481 1426672 1427244 1536416 1537032 1564479 1576848 1605006 1631136 1665118 1698144 1728468 1742832 1787976 1839656 1872507 1887308 1902992 1936974 1975392 2016546 2049376 2069613 2085972 2140008 2140866 2259803 2304624 2305548 2365272 2383968 2433634 2446704 2496676 2497677 2547216 2582632 2634912 2688728 2759484 2781296 2830962 2853344 2854488 2905461 3024819 3074064 3128958 3153696 3210012 3302789 3330236 3456936 3485664 3575952 3650451 3679312 3745014 3774616 3805984 3873948 4033092 4139226 4171944 4246443 4280016 4281732 4369183 4519606 4609248 4611096 4730544 4867268 4893408 4993352 4995354 5094432 5165264 5377456 5518968 5562592 5617521 5661924 5708976 5810922 6049638 6133751 6148128 6257916 6420024 6605578 6660472 6779409 6913872 7151904 7300902 7358624 7490028 7493031 7549232 7747896 8066184 8278452 8343888 8492886 8560032 8563464 8738366 8964713 9039212 9222192 9461088 9734536 9908367 9986704 9990708 10330528 10754912 10951353 11037936 11235042 11323848 11417952 11621844 12099276 12267502 12515832 12840048 13107549 13211156 13320944 13558818 13827744 14601804 14980056 14986062 15098464 15495792 15818621 16132368 16556904 16687776 16985772 17126928 17476732 17929426 18078424 18401253 18444384 19469072 19816734 19973408 19981416 20338227 21902706 22075872 22470084 22647696 23119523 23243688 24198552 24535004 25031664 25680096 26215098 26422312 26641888 26894139 27117636 29203608 29725101 29960112 29972124 30991584 31637242 32264736 33113808 33971544 34253856 34953464 35858852 36156848 36802506 38938144 39322647 39633468 39962832 40676454 42936257 43805412 44940168 45295392 46239046 46487376 47455863 48397104 49070008 50063328 52430196 52844624 53788278 54235272 55203759 58407216 59450202 59920224 59944248 62752991 63274484 66227616 67943088 69358569 69906928 71717704 72313696 73605012 78645294 79266936 79925664 80682417 81352908 85872514 87610824 89880336 92478092 92974752 94911726 96794208 98140016 104860392 105689248 107576556 108470544 110407518 116541269 116814432 118900404 119888496 125505982 126548968 128808771 135886176 138717138 139813856 142367589 143435408 147210024 157290588 158533872 161364834 162705816 171745028 175221648 179760672 184956184 188258973 189823452 196280032 208075707 209720784 215153112 216941088 220815036 233082538 237800808 239776992 251011964 253097936 257617542 277434276 284735178 286870816 294420048 300553799 314581176 317067744 322729668 325411632 343490056 349623807 350443296 369912368 376517946 379646904 386426313 416151414 419441568 430306224 439270937 441630072 466165076 475601616 502023928 506195872 515235084 554868552 564776919 569470356 588840096 601107598 629162352 645459336 650823264 686980112 699247614 739824736 753035892 759293808 772852626 815788883 832302828 860612448 878541874 883260144 901661397 932330152 951203232 1004047856 1030470168 1048871421 1109737104 1129553838 1138940712 1202215196 1258324704 1290918672 1317812811 1373960224 1398495228 1506071784 1518587616 1545705252 1631577766 1664605656 1757083748 1766520288 1803322794 1864660304 2008095712 2060940336 2097742842 2219474208 2259107676 2277881424 2404430392 2447366649 2581837344 2635625622 2704984191 2796990456 3012143568 3091410504 3263155532 3329211312 3514167496 3606645588 3729320608 3953438433 4121880672 4195485684 4518215352 4555762848 4808860784 4894733298 5271251244 5409968382 5593980912 5710522181 6024287136 6182821008 6526311064 6658422624 7028334992 7213291176 7342099947 7906876866 8390971368 9036430704 9617721568 9789466596 10542502488 10819936764 11187961824 11421044362 12365642016 13052622128 14056669984 14426582352 14684199894 15813753732 16781942736 17131566543 18072861408 19578933192 21085004976 21639873528 22842088724 26105244256 28853164704 29368399788 31627507464 33563885472 34263133086 39157866384 42170009952 43279747056 45684177448 51394699629 58736799576 63255014928 68526266172 78315732768 86559494112 91368354896 102789399258 117473599152 126510029856 137052532344 182736709792 205578798516 234947198304 274105064688 411157597032 548210129376 822315194064 1644630388128
• Sum of all divisors σ(n): 6189179855040
• Sum of proper divisors (its aliquot sum) s(n): 4544549466912
• 1644630388128 is an abundant number, because the sum of its proper divisors (4544549466912) is greater than itself. Its abundance is 2899919078784

Bases of 1644630388128

• Binary: 10111111011101011100111000010110110100000₂
• Hexadecimal: 0x17EEB9C2DA0
• Base-36: KZJ6GX40

Squares and roots of 1644630388128

• 1644630388128 squared (1644630388128²) is 2704809113554055923344384
• 1644630388128 cubed (1644630388128³) is 4448411262236558618718491673729073152
• The square root of 1644630388128 is 1282431.4360339113
• The cube root of 1644630388128 is 11803.8252180619

Scales and comparisons

• 1,644,630,388,128 seconds is equal to 52,294 years, 8 weeks, 1 day, 22 hours, 28 minutes, 48 seconds.
• To count from 1 to 1,644,630,388,128 would take you about one hundred thirty thousand, seven hundred thirty-five 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 1644630388128 cubic inches would be around 983.7 feet tall.

Recreational maths with 1644630388128

• 1644630388128 backwards is 8218830364461
• The number of decimal digits it has is: 13
• The sum of 1644630388128's digits is 54
• More coming soon!