64137928338238909569921

Names of 64137928338238909569921

• Cardinal: 64137928338238909569921 can be written as Sixty-four sextillion, one hundred thirty-seven quintillion, nine hundred twenty-eight quadrillion, three hundred thirty-eight trillion, two hundred thirty-eight billion, nine hundred nine million, five hundred sixty-nine thousand, nine hundred twenty-one.

Scientific notation

• Scientific notation: 6.4137928338238909569921 × 10²²

Factors of 64137928338238909569921

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 26969

Divisors of 64137928338238909569921

• Number of divisors d(n): 270
• Complete list of divisors:
  1 3 9 11 17 27 33 51 81 99 121 153 187 289 297 363 459 561 867 891 1089 1377 1683 2057 2601 3179 3267 5049 6171 7803 7907 9537 9801 15147 18513 19031 23409 23721 28611 34969 55539 57093 71163 85833 86977 104907 134419 166617 171279 209341 213489 257499 260931 314721 323527 403257 513837 628023 640467 782793 944163 956747 970581 1209771 1478609 1541511 1884069 2285123 2302751 2348379 2832489 2870241 2911743 3558797 3629313 4435827 5499959 5652207 6855369 6908253 7045137 8610723 8735229 10676391 10887939 13307481 16264699 16499877 16956621 20566107 20724759 25136353 25832169 26205687 32029173 39146767 39922443 48794097 49499631 60499549 61698321 62174277 62520649 75409059 77496507 96087519 117440301 119767329 146382291 148498893 150478117 181498647 185094963 186522831 187561947 226227177 276499883 288262557 352320903 439146873 445496679 451434351 544495941 562685841 665495039 678681531 687727139 829499649 1056962709 1062851033 1317440619 1354303053 1633487823 1655259287 1688057523 1996485117 2036044593 2063181417 2488498947 2558127989 3170888127 3188553099 4062909159 4900463469 4965777861 5064172569 5989455351 6189544251 7465496841 7564998529 7674383967 9565659297 11691361363 12188727477 14897333583 17968366053 18068467561 18207852157 18568632753 22396490523 22694995587 23023151901 28139407879 28696977891 35074084089 43488175813 44692000749 53905098159 54205402683 54623556471 55705898259 68084986761 69069455703 84418223637 86090933673 105222252267 128604974993 130464527439 134076002247 162616208049 163870669413 198753143171 204254960283 207208367109 253254670911 309533486669 315666756801 385814924979 391393582317 478369933943 487848624147 491612008239 596259429513 612764880849 759764012733 928600460007 947000270403 1157444774937 1174180746951 1189830471119 1435109801829 1463545872441 1474836024717 1788778288539 2186284574881 2279292038199 2785801380021 3472334324811 3522542240853 3569491413357 4305329405487 5262069273373 5366334865617 6558853724643 8357404140063 10417002974433 10708474240071 12915988216461 13088135182309 15786207820119 16099004596851 19676561173929 20227118009023 25072212420189 32125422720213 38747964649383 39264405546927 47358623460357 59029683521787 60681354027069 96376268160639 117793216640781 142075870381071 143969487005399 177089050565361 182044062081207 222498298099253 343861006153391 353379649922343 426227611143213 431908461016197 546132186243621 667494894297759 1031583018460173 1060138949767029 1295725383048591 1638396558730863 2002484682893277 2447481279091783 3094749055380519 3782471067687301 3887176149145773 6007454048679831 7342443837275349 9284247166141557 11347413203061903 11661528447437319 18022362146039493 22027331511826047 27852741498424671 34042239609185709 41607181744560311 66081994535478141 102126718827557127 124821545233680933 198245983606434423 306380156482671381 374464635701042799 1123393907103128397 3370181721309385191
• Sum of all divisors σ(n): 64140437627105877494754
• Sum of proper divisors (its aliquot sum) s(n): 2509288866967924833
• 64137928338238909569921 is a deficient number, because the sum of its proper divisors (2509288866967924833) is less than itself. Its deficiency is 64135419049371941645088

Bases of 64137928338238909569921

• Binary: 1101100101001110110010001111010101100101000111101110001000011101101110000001₂
• Hexadecimal: 0xD94EC8F5651EE21DB81
• Base-36: AFZTWSJ3R9J9F29

Squares and roots of 64137928338238909569921

• 64137928338238909569921 squared (64137928338238909569921²) is 4113673851521069771993768074425195837187946241
• 64137928338238909569921 cubed (64137928338238909569921³) is 263842518695745621383896458530972325808529555299403249232482578616961
• 64137928338238909569921 is a perfect square number. Its square root is 253254670911
• The cube root of 64137928338238909569921 is 40028714.4525393997

Scales and comparisons

• 64,137,928,338,238,909,569,921 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 64,137,928,338,238,909,569,921 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 64137928338238909569921 cubic inches would be around 3335726.2 feet tall.

Recreational maths with 64137928338238909569921

• 64137928338238909569921 backwards is 12996590983283382973146
• The number of decimal digits it has is: 23
• The sum of 64137928338238909569921's digits is 117
• More coming soon!