13908647721809925

Names of 13908647721809925

• Cardinal: 13908647721809925 can be written as Thirteen quadrillion, nine hundred eight trillion, six hundred forty-seven billion, seven hundred twenty-one million, eight hundred nine thousand, nine hundred twenty-five.

Scientific notation

• Scientific notation: 1.3908647721809925 × 10¹⁶

Factors of 13908647721809925

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 6030

Divisors of 13908647721809925

• Number of divisors d(n): 432
• Complete list of divisors:
  1 3 5 7 9 15 19 21 25 27 35 45 49 57 63 75 95 105 133 135 147 171 175 189 225 245 285 315 399 441 475 513 525 665 675 735 829 855 931 945 1197 1225 1323 1425 1575 1995 2205 2487 2565 2793 3325 3591 3675 4145 4275 4655 4725 5167 5803 5985 6615 7461 8379 9975 11025 12435 12825 13965 15501 15751 17409 17955 20725 22383 23275 25137 25835 29015 29925 33075 36169 37305 40621 41895 46503 47253 52227 62175 69825 77505 78755 87045 89775 98173 108507 110257 111915 121863 125685 129175 139509 141759 145075 156681 180845 186525 203105 209475 232515 236265 253183 261135 294519 325521 330771 365589 387525 393775 425277 435225 490865 542535 551285 559575 609315 628425 687211 697545 708795 759549 771799 783405 883557 904225 976563 992313 1015525 1096767 1162575 1181325 1265915 1305675 1472595 1627605 1653855 1827945 2061633 2126385 2278647 2315397 2454325 2650671 2712675 2756425 2976939 3046575 3436055 3487725 3543975 3797745 3858995 3917025 4283443 4417785 4810477 4882815 4961565 5483835 6184899 6329575 6835941 6946191 7362975 8138025 8269275 9139725 10308165 10631925 11393235 11576985 12850329 13253355 14431431 14884695 17180275 18554697 18988725 19294975 20838573 21417215 22088925 24052385 24414075 24807825 26697889 27419175 29984101 30924495 34179705 34730955 38550987 43294293 51540825 56966175 57884925 64251645 66266775 72157155 74423475 80093667 81385417 89952303 92773485 104192865 107086075 115652961 120261925 129882879 133489445 149920505 154622475 170898525 173654775 186885223 192754935 209888707 216471465 240281001 244156251 269856909 321258225 360785775 400468335 406927085 449761515 463867425 507259891 520964325 560655669 569697919 578264805 629666121 649414395 667447225 720843003 732468753 749602525 809570727 934426115 963774675 1049443535 1082357325 1201405005 1220781255 1308196561 1349284545 1521779673 1681967007 1709093757 1888998363 2002341675 2034635425 2197406259 2248807575 2536299455 2803278345 2848489595 2891324025 3148330605 3247071975 3550819237 3604215015 3662343765 3924589683 3987885433 4047853635 4565339019 4672130575 5045901021 5127281271 5247217675 5666995089 6007025025 6103906275 6540982805 6746422725 7608898365 8409835035 8545468785 9444991815 10652457711 10987031295 11773769049 11963656299 12681497275 13696017057 14016391725 14242447975 15381843813 15741653025 17754096185 18021075075 18311718825 19622948415 19939427165 20239268175 22132549981 22826695095 24855734659 25229505105 25636406355 28334975445 31957373133 32704914025 35321307147 35890968897 38044491825 42049175175 42727343925 47224959075 53262288555 54935156475 58868845245 59818281495 66397649943 68480085285 74567203977 76909219065 88770480925 95872119399 98114742075 99697135825 107672906691 110662749905 114133475475 124278673295 126147525525 128182031775 141674877225 154927849867 159786865665 176606535735 179454844485 199192949829 223701611931 266311442775 294344226225 299091407475 331988249715 342400426425 372836019885 384546095325 420518449639 464783549601 479360596995 538364533455 553313749525 597578849487 621393366475 671104835793 774639249335 798934328325 883032678675 897274222425 995964749145 1084494949069 1118508059655 1261555348917 1394350648803 1659941248575 1864180099425 2102592248195 2323917748005 2396802984975 2691822667275 2943629147473 2987894247435 3253484847207 3355524178965 3784666046751 3873196246675 4183051946409 4979823745725 5422474745345 5592540298275 6307776744585 6971753244015 8830887442419 9760454541621 10512961240975 11353998140253 11619588740025 14718145737365 14939471237175 16267424236035 16777620894825 18923330233755 20605404032311 20915259732045 26492662327257 27112373726725 29281363624863 31538883722925 34858766220075 44154437212095 48802272708105 56769990701265 61816212096933 73590728686825 79477986981771 81337121180175 94616651168775 103027020161555 104576298660225 132463311636285 146406818124315 185448636290799 220772186060475 244011363540525 283849953506325 309081060484665 397389934908855 515135100807775 556345908872397 662316558181425 732034090621575 927243181453995 1545405302423325 1986949674544275 2781729544361985 4636215907269975 13908647721809925
• Sum of all divisors σ(n): 31330376341416000
• Sum of proper divisors (its aliquot sum) s(n): 17421728619606075
• 13908647721809925 is an abundant number, because the sum of its proper divisors (17421728619606075) is greater than itself. Its abundance is 3513080897796150

Bases of 13908647721809925

• Binary: 110001011010011101011101100110110000111011100000000101₂
• Hexadecimal: 0x3169D766C3B805
• Base-36: 3SY7CJYX8N9

Squares and roots of 13908647721809925

• 13908647721809925 squared (13908647721809925²) is 193450481449408416852517828505625
• 13908647721809925 cubed (13908647721809925³) is 2690634598094347535041902200575905494183043328125
• The square root of 13908647721809925 is 117934930.0326664247
• The cube root of 13908647721809925 is 240488.8630456149

Scales and comparisons

• 13,908,647,721,809,925 seconds is equal to 442,251,975 years, 14 weeks, 4 days, 10 hours, 18 minutes, 45 seconds.
• To count from 1 to 13,908,647,721,809,925 would take you about one billion, three hundred twenty-six million, seven hundred fifty-five thousand, nine hundred twenty-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 13908647721809925 cubic inches would be around 20040.7 feet tall.

Recreational maths with 13908647721809925

• 13908647721809925 backwards is 52990812774680931
• The number of decimal digits it has is: 17
• The sum of 13908647721809925's digits is 81
• More coming soon!