644442127412928

Names of 644442127412928

• Cardinal: 644442127412928 can be written as Six hundred forty-four trillion, four hundred forty-two billion, one hundred twenty-seven million, four hundred twelve thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 6.44442127412928 × 10¹⁴

Factors of 644442127412928

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 14950

Divisors of 644442127412928

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 24 26 32 37 39 41 48 52 64 74 78 82 96 104 111 123 148 156 164 169 192 208 222 246 296 312 328 338 416 444 481 492 507 533 592 624 656 676 832 888 941 962 984 1014 1066 1184 1248 1312 1352 1443 1517 1599 1776 1882 1924 1968 2028 2132 2368 2496 2624 2704 2823 2886 3034 3198 3552 3764 3848 3936 4056 4264 4551 5408 5646 5772 6068 6253 6396 6929 7104 7528 7696 7872 8112 8528 9102 10816 11292 11544 12136 12233 12506 12792 13858 13913 15056 15392 16224 17056 18204 18759 19721 20787 22584 23088 24272 24466 25012 25584 27716 27826 30112 30784 32448 34112 34817 36408 36699 37518 38581 39442 41574 41739 45168 46176 48544 48932 50024 51168 55432 55652 59163 60224 69634 72816 73398 75036 77162 78884 83148 83478 90336 92352 97088 97864 100048 102336 104451 110864 111304 115743 118326 139268 145632 146796 150072 154324 157768 159029 166296 166956 180672 180869 195728 200096 208902 221728 222608 231486 236652 256373 278536 291264 293592 300144 308648 315536 318058 332592 333912 361738 391456 400192 417804 443456 445216 452621 462972 473304 477087 501553 512746 514781 542607 557072 570433 587184 600288 617296 631072 636116 665184 667824 723476 769119 782912 835608 890432 905242 925944 946608 954174 1003106 1025492 1029562 1085214 1114144 1140866 1174368 1200576 1234592 1262144 1272232 1330368 1335648 1357863 1427497 1446952 1504659 1538238 1544343 1671216 1711299 1810484 1851888 1893216 1908348 2006212 2050984 2059124 2170428 2228288 2281732 2348736 2351297 2469184 2544464 2671296 2715726 2854994 2893904 3009318 3076476 3088686 3342432 3422598 3620968 3703776 3786432 3816696 4012424 4101968 4118248 4282491 4340856 4563464 4702594 5088928 5431452 5709988 5787808 5884073 6018636 6152952 6177372 6520189 6684864 6692153 6845196 7053891 7241936 7407552 7415629 7633392 8024848 8203936 8236496 8564982 8681712 9126928 9405188 10177856 10862904 11419976 11575616 11768146 12037272 12305904 12354744 13040378 13092133 13384306 13690392 14107782 14483872 14831258 15266784 16049696 16407872 16472992 17129964 17363424 17652219 18253856 18557461 18810376 19560567 20076459 21106021 21725808 22246887 22839952 23536292 24074544 24611808 24709488 26080756 26184266 26768612 27380784 28215564 28967744 29662516 30533568 32099392 32945984 34259928 34726848 35304438 36507712 37114922 37620752 39121134 39276399 40152918 42212042 43451616 44493774 45679904 47072584 48149088 49223616 49418976 52161512 52368532 53537224 54761568 55672383 56431128 59325032 63318063 68519856 70608876 74229844 75241504 78242268 78552798 80305836 84424084 86903232 86997989 88987548 91359808 94145168 96298176 96403177 98837952 104323024 104737064 107074448 109523136 111344766 112862256 118650064 126636126 137039712 141217752 148459688 150483008 156484536 157105596 160611672 168848168 170197729 173995978 177975096 188290336 192806354 208646048 209474128 214148896 222689532 225724512 237300128 241246993 253272252 260993967 274079424 274378273 282435504 289209531 296919376 312969072 314211192 321223344 337696336 340395458 347991956 355950192 376580672 385612708 417292096 418948256 428297792 445379064 451449024 474600256 482493986 484408921 506544504 510593187 521987934 536777453 548756546 564871008 578419062 593838752 625938144 628422384 642446688 675392672 680790916 695983912 711900384 723740979 771225416 823134819 837896512 890758128 964987972 968817842 1013089008 1021186374 1043975868 1073554906 1097513092 1129742016 1156838124 1187677504 1251876288 1256844768 1284893376 1350785344 1361581832 1391967824 1423800768 1447481958 1453226763 1542450832 1610332359 1646269638 1781516256 1929975944 1937635684 2026178016 2042372748 2087951736 2147109812 2195026184 2212570477 2313676248 2513689536 2723163664 2783935648 2894963916 2906453526 3084901664 3220664718 3292539276 3563032512 3566917549 3859951888 3875271368 4052356032 4084745496 4175903472 4294219624 4390052368 4425140954 4627352496 5446327328 5567871296 5789927832 5812907052 6169803328 6297315973 6441329436 6585078552 6637711431 6978106889 7133835098 7719903776 7750542736 8169490992 8351806944 8588439248 8780104736 8850281908 9254704992 10700752647 10892654656 11579855664 11625814104 12594631946 12882658872 13170157104 13275422862 13956213778 14267670196 15439807552 15501085472 16338981984 16703613888 17176878496 17560209472 17700563816 18509409984 18891947919 19860765761 20934320667 21401505294 23159711328 23251628208 25189263892 25765317744 26340314208 26550845724 27912427556 28535340392 31002170944 32677963968 34353756992 35401127632 37783895838 39721531522 41868641334 42803010588 46319422656 46503256416 50378527784 51530635488 52680628416 53101691448 55824855112 57070680784 59582297283 70802255264 75567791676 79443063044 81865107649 83737282668 85606021176 90715389557 93006512832 100757055568 103061270976 106203382896 111649710224 114141361568 119164594566 141604510528 151135583352 158886126088 163730215298 167474565336 171212042352 181430779114 201514111136 212406765792 223299420448 228282723136 238329189132 245595322947 258189954893 272146168671 302271166704 317772252176 327460430596 334949130672 342424084704 362861558228 403028222272 424813531584 446598840896 476658378264 491190645894 516379909786 544292337342 604542333408 635544504352 654920861192 669898261344 684848169408 725723116456 774569864679 953316756528 982381291788 1032759819572 1088584674684 1209084666816 1271089008704 1309841722384 1339796522688 1451446232912 1549139729358 1906633513056 1964762583576 2065519639144 2177169349368 2619683444768 2902892465824 3098279458716 3356469413609 3813267026112 3929525167152 4131039278288 4354338698736 5239366889536 5805784931648 6196558917432 6712938827218 7859050334304 8262078556576 8708677397472 10069408240827 12393117834864 13425877654436 15718100668608 16524157113152 17417354794944 20138816481654 24786235669728 26851755308872 40277632963308 49572471339456 53703510617744 80555265926616 107407021235488 161110531853232 214814042470976 322221063706464 644442127412928
• Sum of all divisors σ(n): 1944690939761472
• Sum of proper divisors (its aliquot sum) s(n): 1300248812348544
• 644442127412928 is an abundant number, because the sum of its proper divisors (1300248812348544) is greater than itself. Its abundance is 655806684935616

Bases of 644442127412928

• Binary: 10010010100001110111100000000101010010111011000000₂
• Hexadecimal: 0x24A1DE0152EC0
• Base-36: 6CFOMJNQ2O

Squares and roots of 644442127412928

• 644442127412928 squared (644442127412928²) is 415305655584500526406221533184
• 644442127412928 cubed (644442127412928³) is 267640460211496281219041704246166287622602752
• The square root of 644442127412928 is 25385864.7166671871
• The cube root of 644442127412928 is 86376.3087787933

Scales and comparisons

• 644,442,127,412,928 seconds is equal to 20,491,266 years, 13 weeks, 4 days, 3 hours, 8 minutes, 48 seconds.
• To count from 1 to 644,442,127,412,928 would take you about fifty-one million, two hundred twenty-eight thousand, one hundred sixty-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 644442127412928 cubic inches would be around 7198 feet tall.

Recreational maths with 644442127412928

• 644442127412928 backwards is 829214721244446
• The number of decimal digits it has is: 15
• The sum of 644442127412928's digits is 60
• More coming soon!