640438132802270

Names of 640438132802270

• Cardinal: 640438132802270 can be written as Six hundred forty trillion, four hundred thirty-eight billion, one hundred thirty-two million, eight hundred two thousand, two hundred seventy.

Scientific notation

• Scientific notation: 6.4043813280227 × 10¹⁴

Factors of 640438132802270

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 165

Divisors of 640438132802270

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 5 10 11 17 22 34 41 55 82 85 89 110 170 178 187 205 289 374 410 445 451 578 697 890 902 935 979 1394 1445 1513 1681 1870 1958 2255 2890 3026 3179 3362 3485 3649 4510 4895 4913 6358 6970 7298 7565 7667 7921 8405 9790 9826 11849 15130 15334 15842 15895 16643 16810 18245 18491 23698 24565 25721 28577 31790 33286 36490 36982 38335 39605 40139 49130 51442 54043 57154 59245 62033 76670 79210 80278 83215 87131 92455 108086 118490 124066 128605 130339 134657 142885 149609 166430 174262 184910 200695 201433 257210 260678 269314 270215 282931 285770 299218 310165 314347 324761 401390 402866 435655 437257 485809 540430 565862 620330 628694 649522 651695 673285 682363 704969 748045 871310 874514 971618 1007165 1054561 1303390 1346570 1364726 1409938 1414655 1481227 1496090 1571735 1623805 1645699 2014330 2109122 2186285 2215763 2289169 2429045 2543353 2829310 2962454 3143470 3247610 3291398 3411815 3524845 3572371 4372570 4431526 4578338 4809827 4858090 5086706 5272805 5343899 5520937 6823630 7049690 7144742 7406135 7754659 8228495 8258753 9619654 10545610 10687798 11041874 11078815 11445845 11600171 11984473 12716765 13315201 14812270 15509318 16456990 16517506 17861855 17927537 22157630 22891690 23200342 23968946 24049135 25180859 25433530 26630402 26719495 27604685 27976883 28903729 35723710 35855074 38773295 38915873 41293765 43237001 48098270 50361718 53438990 55209370 55953766 57807458 58000855 59922365 60730307 66576005 77546590 77831746 82587530 86474002 89637685 90846283 93855929 116001710 119844730 121460614 125904295 131829203 133152010 139884415 144518645 146467211 179275370 181692566 187711858 194579365 197202907 203736041 216185005 226358417 251808590 263658406 279768830 289037290 292934422 303651535 317941019 389158730 394405814 407472082 428074603 432370010 452716834 454231415 469279645 475607011 491363393 607303070 635882038 659146015 732336055 735029017 856149206 908462830 938559290 951214022 982726786 986014535 1018680205 1032415219 1131792085 1185052889 1318292030 1464672110 1470058034 1589705095 1595550793 1972029070 2037360410 2064830438 2140373015 2241096451 2263584170 2370105778 2378035055 2456816965 2489942587 3179410190 3191101586 3463512697 3675145085 3848093089 4280746030 4482192902 4756070110 4913633930 4979885174 5162076095 5404997323 5925264445 6927025394 7350290170 7696186178 7977753965 8085319187 8353177681 10324152190 10809994646 11205482255 11850528890 12449712935 13035581779 15955507930 16170638374 16706355362 17317563485 17551058723 19240465445 20145899113 22410964510 24899425870 26071163558 27024986615 34635126970 35102117446 38098639667 38480930890 40291798226 40426595935 41765888405 42329023979 54049973230 65177908895 65417582513 76197279334 80853191870 83531776810 84658047958 87755293615 91884954491 100729495565 130355817790 130835165026 142004020577 175510587230 183769908982 190493198335 201458991130 211645119895 221604890243 284008041154 327087912565 342480284921 380986396670 423290239790 443209780486 459424772455 654175825130 684960569842 710020102885 719593407643 918849544910 1108024451215 1420040205770 1439186815286 1562044226347 1712401424605 2216048902430 3124088452694 3424802849210 3597967038215 3767283134131 5822164843657 7195934076430 7534566268262 7810221131735 11644329687314 15620442263470 18836415670655 29110824218285 37672831341310 58221648436570 64043813280227 128087626560454 320219066401135 640438132802270
• Sum of all divisors σ(n): 1385118338140800
• Sum of proper divisors (its aliquot sum) s(n): 744680205338530
• 640438132802270 is an abundant number, because the sum of its proper divisors (744680205338530) is greater than itself. Its abundance is 104242072536260

Bases of 640438132802270

• Binary: 10010001100111100110011111011010000000001011011110₂
• Hexadecimal: 0x246799F6802DE
• Base-36: 6B0L7SNBOE

Squares and roots of 640438132802270

• 640438132802270 squared (640438132802270²) is 410161001947258024962917152900
• 640438132802270 cubed (640438132802270³) is 262682746235410159061486726361033927057083000
• The square root of 640438132802270 is 25306879.1596725731
• The cube root of 640438132802270 is 86197.0482927535

Scales and comparisons

• 640,438,132,802,270 seconds is equal to 20,363,951 years, 32 weeks, 21 hours, 57 minutes, 50 seconds.
• To count from 1 to 640,438,132,802,270 would take you about fifty million, nine hundred nine thousand, eight hundred seventy-nine 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 640438132802270 cubic inches would be around 7183.1 feet tall.

Recreational maths with 640438132802270

• 640438132802270 backwards is 072208231834046
• The number of decimal digits it has is: 15
• The sum of 640438132802270's digits is 50
• More coming soon!