208842138218640

Names of 208842138218640

• Cardinal: 208842138218640 can be written as Two hundred eight trillion, eight hundred forty-two billion, one hundred thirty-eight million, two hundred eighteen thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.0884213821864 × 10¹⁴

Factors of 208842138218640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 66563603

Divisors of 208842138218640

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 17 20 24 30 34 40 48 51 60 68 80 85 102 120 136 170 204 240 255 272 340 408 510 680 769 816 1020 1360 1538 2040 2307 3076 3845 4080 4614 6152 7690 9228 11535 12304 13073 15380 18456 23070 26146 30760 36912 39219 46140 52292 61520 65365 78438 92280 104584 130730 156876 184560 196095 209168 261460 313752 392190 522920 627504 784380 1045840 1568760 3137520 66562807 133125614 199688421 266251228 332814035 399376842 532502456 665628070 798753684 998442105 1065004912 1131567719 1331256140 1597507368 1996884210 2263135438 2662512280 3195014736 3394703157 3993768420 4526270876 5325024560 5657838595 6789406314 7987536840 9052541752 11315677190 13578812628 15975073680 16973515785 18105083504 22631354380 27157625256 33947031570 45262708760 51186798583 54315250512 67894063140 90525417520 102373597166 135788126280 153560395749 204747194332 255933992915 271576252560 307120791498 409494388664 511867985830 614241582996 767801978745 818988777328 870175575911 1023735971660 1228483165992 1535603957490 1740351151822 2047471943320 2456966331984 2610526727733 3071207914980 3480702303644 4094943886640 4350877879555 5221053455466 6142415829960 6961404607288 8701755759110 10442106910932 12284831659920 13052633638665 13922809214576 17403511518220 20884213821864 26105267277330 34807023036440 41768427643728 52210534554660 69614046072880 104421069109320 208842138218640
• Sum of all divisors σ(n): 686385026046720
• Sum of proper divisors (its aliquot sum) s(n): 477542887828080
• 208842138218640 is an abundant number, because the sum of its proper divisors (477542887828080) is greater than itself. Its abundance is 268700749609440

Bases of 208842138218640

• Binary: 101111011111000011011001011101100111000010010000₂
• Hexadecimal: 0xBDF0D9767090
• Base-36: 2210R4Y8PC

Squares and roots of 208842138218640

• 208842138218640 squared (208842138218640²) is 43615038695733534152443449600
• 208842138218640 cubed (208842138218640³) is 9108657939705714811127487845649480620544000
• The square root of 208842138218640 is 14451371.4995719351
• The cube root of 208842138218640 is 59329.7762315865

Scales and comparisons

• 208,842,138,218,640 seconds is equal to 6,640,534 years, 1 day, 12 hours, 44 minutes.
• To count from 1 to 208,842,138,218,640 would take you about sixteen million, six hundred one thousand, three hundred thirty-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 208842138218640 cubic inches would be around 4944.1 feet tall.

Recreational maths with 208842138218640

• 208842138218640 backwards is 046812831248802
• The number of decimal digits it has is: 15
• The sum of 208842138218640's digits is 57
• More coming soon!