128401425306

Names of 128401425306

• Cardinal: 128401425306 can be written as One hundred twenty-eight billion, four hundred one million, four hundred twenty-five thousand, three hundred six.

Scientific notation

• Scientific notation: 1.28401425306 × 10¹¹

Factors of 128401425306

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 771

Divisors of 128401425306

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 6 7 9 11 14 17 18 21 22 33 34 42 51 53 63 66 77 99 102 106 119 126 153 154 159 187 198 229 231 238 306 318 357 371 374 449 458 462 477 561 583 687 693 714 742 898 901 954 1071 1113 1122 1166 1309 1347 1374 1386 1603 1683 1749 1802 2061 2142 2226 2519 2618 2694 2703 3143 3206 3339 3366 3498 3893 3927 4041 4081 4122 4809 4939 5038 5247 5406 6286 6307 6678 7557 7633 7786 7854 8082 8109 8162 9429 9618 9878 9911 10494 11679 11781 12137 12243 12614 14427 14817 15114 15266 16218 17633 18858 18921 19822 22671 22899 23358 23562 23797 24274 24486 27251 28287 28854 29634 29733 34573 35037 35266 36411 36729 37842 42823 44451 45342 45798 47594 52899 53431 54502 56574 56763 59466 68697 69146 69377 70074 71391 72822 73458 81753 83963 84959 85646 88902 89199 102821 103719 105798 106862 109233 113526 128469 133507 137394 138754 142782 158697 160293 163506 166579 167926 169918 178398 205642 206329 207438 208131 214173 218466 245259 251889 254877 256938 261767 267014 299761 308463 311157 317394 320586 333158 385407 400521 404549 412658 416262 428346 480879 490518 499737 503778 509754 523534 587741 599522 616926 618987 622314 624393 719747 755667 764631 770814 785301 801042 809098 899283 925389 934549 961758 999474 1131031 1175482 1201563 1213647 1237974 1248786 1439494 1444303 1499211 1511334 1529262 1570602 1747957 1763223 1798566 1832369 1850778 1856961 1869098 2159241 2262062 2269619 2355903 2403126 2427294 2697849 2803647 2831843 2888606 2998422 3393093 3495914 3526446 3640941 3664738 3713922 4318482 4332909 4450039 4539238 4711806 5243871 5289669 5395698 5449513 5497107 5607294 5663686 6477723 6786186 6808857 7281882 7917217 8410941 8495529 8665818 8900078 10179279 10487742 10579338 10899026 10994214 12235699 12955446 12998727 13350117 13617714 15731613 15834434 15887333 16348539 16491321 16821882 16991058 19227527 20358558 20426571 23751651 24471398 25486587 25997454 26700234 31150273 31463226 31774666 32697078 32982642 36707097 38146591 38455054 40050351 40853142 47503302 47661999 49045617 50973174 57682581 59944643 62300546 71254953 73414194 76293182 80100702 92641721 93450819 95323998 98091234 110121291 114439773 115365162 119889286 134592689 142509906 142985997 173047743 179833929 185283442 186901638 220242582 228879546 269185378 277925163 280352457 285971994 343319319 346095486 359667858 403778067 419612501 539501787 555850326 560704914 648492047 686638638 807556134 833775489 839225002 1019058931 1079003574 1211334201 1258837503 1296984094 1667550978 1945476141 2038117862 2422668402 2517675006 3057176793 3776512509 3890952282 5836428423 6114353586 7133412517 7553025018 9171530379 11672856846 14266825034 18343060758 21400237551 42800475102 64200712653 128401425306
• Sum of all divisors σ(n): 376653888000
• Sum of proper divisors (its aliquot sum) s(n): 248252462694
• 128401425306 is an abundant number, because the sum of its proper divisors (248252462694) is greater than itself. Its abundance is 119851037388

Bases of 128401425306

• Binary: 1110111100101010100100100001110011010₂
• Hexadecimal: 0x1DE552439A
• Base-36: 1MZIW5UI

Squares and roots of 128401425306

• 128401425306 squared (128401425306²) is 16486926020612297193636
• 128401425306 cubed (128401425306³) is 2116944799961197694493726272552616
• The square root of 128401425306 is 358331.4461584415
• The cube root of 128401425306 is 5044.9470787179

Scales and comparisons

• 128,401,425,306 seconds is equal to 4,082 years, 39 weeks, 6 days, 14 hours, 35 minutes, 6 seconds.
• To count from 1 to 128,401,425,306 would take you about 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 128401425306 cubic inches would be around 420.4 feet tall.

Recreational maths with 128401425306

• 128401425306 backwards is 603524104821
• The number of decimal digits it has is: 12
• The sum of 128401425306's digits is 36
• More coming soon!