209845420720

Names of 209845420720

• Cardinal: 209845420720 can be written as Two hundred nine billion, eight hundred forty-five million, four hundred twenty thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.0984542072 × 10¹¹

Factors of 209845420720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 572

Divisors of 209845420720

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 31 40 52 62 65 80 104 124 130 155 169 208 248 260 310 338 403 496 520 521 620 676 806 845 961 1040 1042 1240 1352 1612 1690 1922 2015 2084 2480 2605 2704 3224 3380 3844 4030 4168 4805 5210 5239 6448 6760 6773 7688 8060 8336 9610 10420 10478 12493 13520 13546 15376 16120 16151 19220 20840 20956 24986 26195 27092 29791 32240 32302 33865 38440 41680 41912 49972 52390 54184 59582 62465 64604 67730 76880 80755 83824 88049 99944 104780 108368 119164 124930 129208 135460 148955 161510 162409 176098 199888 209560 209963 238328 249860 258416 270920 297910 323020 324818 352196 387283 419120 419926 440245 476656 499720 500681 541840 595820 646040 649636 704392 774566 812045 839852 880490 999440 1001362 1049815 1191640 1292080 1299272 1408784 1549132 1624090 1679704 1760980 1936415 2002724 2099630 2383280 2503405 2598544 2729519 3098264 3248180 3359408 3521960 3872830 4005448 4199260 5006810 5034679 5459038 6196528 6496360 6508853 7043920 7745660 8010896 8398520 10013620 10069358 10918076 12992720 13017706 13647595 15491320 15521111 16797040 20027240 20138716 21836152 25173395 26035412 27295190 30982640 31042222 32544265 40054480 40277432 43672304 50346790 52070824 54590380 62084444 65088530 77605555 80554864 84615089 100693580 104141648 109180760 124168888 130177060 155211110 169230178 201387160 201774443 218361520 248337776 260354120 310422220 338460356 402774320 403548886 423075445 520708240 620844440 676920712 807097772 846150890 1008872215 1241688880 1353841424 1614195544 1692301780 2017744430 2623067759 3228391088 3384603560 4035488860 5246135518 6769207120 8070977720 10492271036 13115338795 16141955440 20984542072 26230677590 41969084144 52461355180 104922710360 209845420720
• Sum of all divisors σ(n): 546965063424
• Sum of proper divisors (its aliquot sum) s(n): 337119642704
• 209845420720 is an abundant number, because the sum of its proper divisors (337119642704) is greater than itself. Its abundance is 127274221984

Bases of 209845420720

• Binary: 11000011011011110000110000001010110000₂
• Hexadecimal: 0x30DBC302B0
• Base-36: 2OEGJMWG

Squares and roots of 209845420720

• 209845420720 squared (209845420720²) is 44035100597153805318400
• 209845420720 cubed (209845420720³) is 9240564211257263511588621557248000
• The square root of 209845420720 is 458088.8786250983
• The cube root of 209845420720 is 5942.4631706835

Scales and comparisons

• 209,845,420,720 seconds is equal to 6,672 years, 22 weeks, 4 days, 10 hours, 38 minutes, 40 seconds.
• To count from 1 to 209,845,420,720 would take you about thirteen thousand, three hundred forty-four 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 209845420720 cubic inches would be around 495.2 feet tall.

Recreational maths with 209845420720

• 209845420720 backwards is 027024548902
• The number of decimal digits it has is: 12
• The sum of 209845420720's digits is 43
• More coming soon!