394479967420

Names of 394479967420

• Cardinal: 394479967420 can be written as Three hundred ninety-four billion, four hundred seventy-nine million, nine hundred sixty-seven thousand, four hundred twenty.

Scientific notation

• Scientific notation: 3.9447996742 × 10¹¹

Factors of 394479967420

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2045

Divisors of 394479967420

• Number of divisors d(n): 324
• Complete list of divisors:
  1 2 4 5 7 10 11 14 20 22 28 35 41 44 49 55 70 77 82 98 110 121 140 154 164 196 205 220 242 245 287 308 385 410 451 484 490 539 574 605 770 820 847 902 980 1078 1148 1210 1435 1540 1681 1694 1804 1979 2009 2156 2255 2420 2695 2870 3157 3362 3388 3958 4018 4235 4510 4961 5390 5740 5929 6314 6724 7916 8036 8405 8470 9020 9895 9922 10045 10780 11767 11858 12628 13853 15785 16810 16940 18491 19790 19844 20090 21769 22099 23534 23716 24805 27706 29645 31570 33620 34727 36982 39580 40180 43538 44198 47068 49610 55412 58835 59290 63140 69265 69454 73964 81139 82369 87076 88396 92455 96971 99220 108845 110495 117670 118580 129437 138530 138908 152383 162278 164738 173635 184910 193942 203401 217690 220990 235340 239459 243089 258874 277060 304766 324556 329476 347270 369820 387884 405695 406802 411845 435380 441980 478918 484855 486178 517748 567973 609532 647185 694540 761915 811390 813604 823690 892529 906059 957836 969710 972356 1017005 1066681 1135946 1197295 1215445 1294370 1423807 1523830 1622780 1647380 1676213 1785058 1812118 1939420 2034010 2133362 2271892 2394590 2430890 2588740 2839865 2847614 3047660 3326699 3352426 3570116 3624236 3975811 4068020 4266724 4462645 4530295 4789180 4861780 5333405 5679730 5695228 6247703 6653398 6704852 7119035 7951622 8381065 8925290 9060590 9817819 9966649 10666810 11359460 11733491 12495406 13306796 14238070 15903244 16633495 16762130 17850580 18121180 19635638 19879055 19933298 21333620 23286893 23466982 24990812 28476140 31238515 33266990 33524260 36593689 39271276 39758110 39866596 43733921 46573786 46933964 49089095 49833245 58667455 62477030 66533980 68724733 73187378 79516220 87467842 93147572 98178190 99666490 116434465 117334910 124954060 137449466 146374756 163008251 174935684 182968445 196356380 199332980 218669605 232868930 234669820 256155823 274898932 326016502 343623665 365936890 402530579 437339210 465737860 481073131 512311646 652033004 687247330 731873780 805061158 815041255 874678420 962146262 1024623292 1280779115 1374494660 1610122316 1630082510 1793090761 1924292524 2012652895 2405365655 2561558230 2817714053 3260165020 3586181522 4025305790 4810731310 5123116460 5635428106 7172363044 8050611580 8965453805 9621462620 11270856212 14088570265 17930907610 19723998371 28177140530 35861815220 39447996742 56354281060 78895993484 98619991855 197239983710 394479967420
• Sum of all divisors σ(n): 1086241159080
• Sum of proper divisors (its aliquot sum) s(n): 691761191660
• 394479967420 is an abundant number, because the sum of its proper divisors (691761191660) is greater than itself. Its abundance is 297281224240

Bases of 394479967420

• Binary: 101101111011000110101101001110010111100₂
• Hexadecimal: 0x5BD8D69CBC
• Base-36: 517Z6QWS

Squares and roots of 394479967420

• 394479967420 squared (394479967420²) is 155614444695684261456400
• 394479967420 cubed (394479967420³) is 61386781073634919273927433750488000
• The square root of 394479967420 is 628076.4025339593
• The cube root of 394479967420 is 7334.0125909701

Scales and comparisons

• 394,479,967,420 seconds is equal to 12,543 years, 12 weeks, 4 days, 8 hours, 43 minutes, 40 seconds.
• To count from 1 to 394,479,967,420 would take you about twenty-five thousand and eighty-six 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 394479967420 cubic inches would be around 611.2 feet tall.

Recreational maths with 394479967420

• 394479967420 backwards is 024769974493
• The number of decimal digits it has is: 12
• The sum of 394479967420's digits is 64
• More coming soon!