428820706021621845

Names of 428820706021621845

• Cardinal: 428820706021621845 can be written as Four hundred twenty-eight quadrillion, eight hundred twenty trillion, seven hundred six billion, twenty-one million, six hundred twenty-one thousand, eight hundred forty-five.

Scientific notation

• Scientific notation: 4.28820706021621845 × 10¹⁷

Factors of 428820706021621845

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 365706

Divisors of 428820706021621845

• Number of divisors d(n): 384
• Complete list of divisors:
  1 3 5 15 19 29 37 57 87 95 111 127 145 185 285 361 381 435 551 555 635 703 1073 1083 1597 1653 1805 1905 2109 2413 2755 3219 3515 3683 4699 4791 5365 5415 7239 7985 8265 10469 10545 11049 12065 13357 14097 16095 18415 20387 23495 23955 30343 31407 36195 40071 45847 46313 52345 55245 59089 61161 66785 69977 70485 89281 91029 101935 136271 137541 138939 151715 157035 177267 200355 202819 209931 229235 231565 267843 295445 305805 349885 363889 387353 408813 446405 455145 576517 608457 681355 687705 694695 879947 886335 1014095 1049655 1091667 1122691 1162059 1329563 1339215 1696339 1713581 1729551 1819445 1936765 2044065 2589149 2639841 2882585 3042285 3368073 3853561 3988689 4399735 5089017 5140743 5458335 5613455 5810295 5881751 6647815 6913891 7504303 7767447 8481695 8567905 8647755 10552781 11560683 12945745 13199205 13463893 16718993 16840365 17645253 19267805 19943445 20741673 21331129 22512909 25445085 25703715 29408755 31658343 32558039 34569455 37521515 38837235 40391679 46213903 49193831 50156979 52763905 57803415 63993387 67319465 73217659 83594965 88226265 97674117 103708365 106655645 111753269 112564545 131363929 138641709 142581757 147581493 158291715 162790195 200502839 201958395 217624787 219652977 231069515 245969155 250784895 255813967 319966935 335259807 366088295 390452897 394091787 427745271 488370585 558766345 581130733 601508517 618602741 652874361 656819645 693208545 712908785 737907465 767441901 878064157 1002514195 1088123935 1098264885 1171358691 1279069835 1340203187 1676299035 1709914411 1743392199 1855808223 1952264485 1970458935 2123312111 2138726355 2634192471 2709053383 2905653665 3007542585 3093013705 3264371805 3809553941 3837209505 4020609561 4134870953 4390320785 4860465373 5129743233 5856793455 6369936333 6701015935 7418605043 8127160149 8549572055 8716960995 9279041115 10616560555 11041483927 11428661823 12404612859 13170962355 13545266915 14581396119 16683218983 16852791257 19047769705 20103047805 20674354765 21501837121 22255815129 24302326865 25463860553 25648716165 31849681665 32488373809 33124451781 37093025215 40635800745 49587517919 50049656949 50558373771 55207419635 57143309115 62023064295 64505511363 72906980595 73803603091 76391581659 78562548107 83416094915 84263956285 97465121427 107509185605 111279075645 127319302765 140953495817 148762553757 162441869045 165622258905 209788194613 221410809273 235687644321 247937589595 250248284745 252791868855 320203033883 322527556815 369018015455 381957908295 392812740535 408534905299 422860487451 483813350507 487325607135 617279102371 623553276509 629364583839 704767479085 743812768785 942162840461 960609101649 1048940973065 1107054046365 1178438221605 1225604715897 1402268458729 1451440051521 1601015169415 1851837307113 1870659829527 2042674526495 2114302437255 2140304489639 2419066752535 2730733314367 2826488521383 3086395511855 3117766382545 3146822919195 4206805376187 4710814202305 4803045508245 6083857643777 6128023579485 6420913468917 7011342293645 7257200257605 7762163200681 8192199943101 9259186535565 9353299147635 10701522448195 11847512253671 13653666571835 14132442606915 17901093968759 18251572931331 21034026880935 23286489602043 26643100715851 30419288218885 32104567344585 35542536761013 38810816003405 40665785303141 40960999715505 51883932972973 53703281906277 59237561268355 79191266116643 79929302147553 89505469843795 91257864656655 116432448010215 121997355909423 133215503579255 155651798918919 177712683805065 203328926515705 225102732819749 237573798349929 259419664864865 268516409531385 395956330583215 399646510737765 609986779547115 675308198459247 772649920759679 778258994594595 985794726486487 1125513664098745 1187868991749645 1504634056216217 2317949762279037 2957384179459461 3376540992296235 3863249603798395 4513902168648651 4928973632432435 7523170281081085 11589748811395185 14786920897297305 22569510843243255 28588047068108123 85764141204324369 142940235340540615 428820706021621845
• Sum of all divisors σ(n): 775886033494425600
• Sum of proper divisors (its aliquot sum) s(n): 347065327472803755
• 428820706021621845 is a deficient number, because the sum of its proper divisors (347065327472803755) is less than itself. Its deficiency is 81755378548818090

Bases of 428820706021621845

• Binary: 10111110011011110100010100011111110110000000100000001010101₂
• Hexadecimal: 0x5F37A28FEC04055
• Base-36: 39AC94RIQVKL

Squares and roots of 428820706021621845

• 428820706021621845 squared (428820706021621845²) is 183887197912882225676312644181204025
• 428820706021621845 cubed (428820706021621845³) is 78854638037339863000124378541338954094567795341926125
• The square root of 428820706021621845 is 654844031.8286651721
• The cube root of 428820706021621845 is 754093.5899826637

Scales and comparisons

• 428,820,706,021,621,845 seconds is equal to 13,635,172,021 years, 49 weeks, 3 days, 23 hours, 50 minutes, 45 seconds.
• To count from 1 to 428,820,706,021,621,845 would take you about forty billion, nine hundred five million, five hundred sixteen thousand and 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 428820706021621845 cubic inches would be around 62841.1 feet tall.

Recreational maths with 428820706021621845

• 428820706021621845 backwards is 548126120607028824
• The number of decimal digits it has is: 18
• The sum of 428820706021621845's digits is 66
• More coming soon!