51491116137825

Names of 51491116137825

• Cardinal: 51491116137825 can be written as Fifty-one trillion, four hundred ninety-one billion, one hundred sixteen million, one hundred thirty-seven thousand, eight hundred twenty-five.

Scientific notation

• Scientific notation: 5.1491116137825 × 10¹³

Factors of 51491116137825

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 3245

Divisors of 51491116137825

• Number of divisors d(n): 288
• Complete list of divisors:
  1 3 5 7 9 13 15 21 25 27 35 39 45 63 65 75 81 91 105 117 135 175 189 195 225 243 273 315 325 351 405 455 525 567 585 675 729 819 945 975 1053 1215 1365 1575 1701 1755 2025 2187 2275 2457 2835 2925 3159 3217 3645 4095 4725 5103 5265 6075 6825 7371 8505 8775 9477 9651 10935 12285 14175 15309 15795 16085 18225 20475 22113 22519 25515 26325 28431 28953 36855 41821 42525 47385 48255 54675 61425 66339 67557 76545 78975 80425 86859 110565 112595 125463 127575 142155 144765 184275 199017 202671 209105 236925 241275 260577 292747 331695 337785 376389 382725 434295 552825 562975 608013 627315 710775 723825 781731 878241 995085 1013355 1045525 1129167 1302885 1463735 1658475 1688925 1824039 1881945 2171475 2345193 2634723 3040065 3136575 3387501 3908655 4391205 4975425 5066775 5472117 5645835 6514425 7035579 7318675 7904169 9120195 9409725 10162503 10349089 11725965 13173615 15200325 16416351 16937505 19543275 21956025 23712507 27360585 28229175 30487509 31047267 35177895 39520845 45600975 49249053 50812515 51745445 58629825 65868075 71137521 72443623 82081755 84687525 91462527 93141801 118562535 134538157 136802925 152437545 155236335 175889475 197604225 213412563 217330869 246245265 254062575 258727225 279425403 355687605 362218115 403614471 410408775 457312635 465709005 592812675 640237689 651992607 672690785 762187725 776181675 838276209 941767099 1067062815 1086654345 1210843413 1231226325 1397127015 1778438025 1811090575 1955977821 2018072355 2286563175 2328545025 2514828627 2825301297 3201188445 3259963035 3363453925 3632530239 4191381045 4708835495 5335314075 5433271725 5867933463 6054217065 6985635075 7544485881 8475903891 9779889105 10090361775 10897590717 12574143135 14126506485 16005942225 16299815175 17603800389 18162651195 20956905225 22633457643 23544177475 25427711673 29339667315 30271085325 32692772151 37722429405 42379519455 48899445525 52811401167 54487953585 62870715675 70632532425 76283135019 88019001945 90813255975 98078316453 113167288215 127138558365 146698336575 158434203501 163463860755 188612147025 211897597275 228849405057 264057005835 272439767925 294234949359 381415675095 440095009725 490391582265 565836441075 635692791825 686548215171 792171017505 817319303775 1144247025285 1320285029175 1471174746795 1907078375475 2059644645513 2451957911325 3432741075855 3960855087525 5721235126425 7355873733975 10298223227565 17163705379275 51491116137825
• Sum of all divisors σ(n): 117893728485120
• Sum of proper divisors (its aliquot sum) s(n): 66402612347295
• 51491116137825 is an abundant number, because the sum of its proper divisors (66402612347295) is greater than itself. Its abundance is 14911496209470

Bases of 51491116137825

• Binary: 1011101101010010110101101011111011110101100001₂
• Hexadecimal: 0x2ED4B5AFBD61
• Base-36: I92OX3529

Squares and roots of 51491116137825

• 51491116137825 squared (51491116137825²) is 2651335041118982144395730625
• 51491116137825 cubed (51491116137825³) is 136520200522542531441233029567969073390625
• The square root of 51491116137825 is 7175731.0525008531
• The cube root of 51491116137825 is 37202.9548607251

Scales and comparisons

• 51,491,116,137,825 seconds is equal to 1,637,258 years, 11 weeks, 3 days, 8 hours, 3 minutes, 45 seconds.
• To count from 1 to 51,491,116,137,825 would take you about four million, ninety-three thousand, one hundred forty-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 51491116137825 cubic inches would be around 3100.2 feet tall.

Recreational maths with 51491116137825

• 51491116137825 backwards is 52873161119415
• The number of decimal digits it has is: 14
• The sum of 51491116137825's digits is 54
• More coming soon!