128738443028013

Names of 128738443028013

• Cardinal: 128738443028013 can be written as One hundred twenty-eight trillion, seven hundred thirty-eight billion, four hundred forty-three million, twenty-eight thousand and thirteen.

Scientific notation

• Scientific notation: 1.28738443028013 × 10¹⁴

Factors of 128738443028013

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 222

Divisors of 128738443028013

• Number of divisors d(n): 420
• Complete list of divisors:
  1 3 7 9 13 21 27 39 49 63 81 91 117 147 169 189 199 243 273 343 351 441 507 567 597 637 729 819 1029 1053 1183 1323 1393 1521 1701 1791 1911 2187 2401 2457 2587 3087 3159 3549 3969 4179 4459 4563 5103 5373 5733 6561 7203 7371 7761 8281 9261 9477 9751 10647 11907 12537 13377 13689 15309 16119 17199 18109 19683 21609 22113 23283 24843 27783 28431 29253 31213 31941 33631 35721 37611 40131 41067 45927 48357 51597 54327 57967 59049 64827 66339 68257 69849 74529 83349 85293 87759 93639 95823 100893 107163 112833 120393 123201 126763 137781 145071 154791 162981 173901 177147 194481 199017 204771 209547 223587 235417 250047 255879 263277 280917 287469 302679 321489 338499 361179 369603 380289 405769 413343 435213 464373 477799 488943 521703 531441 583443 597051 614313 628641 670761 706251 750141 767637 789831 842751 862407 887341 908037 964467 1015497 1083537 1108809 1140867 1217307 1240029 1305639 1393119 1433397 1466829 1565109 1594323 1647919 1750329 1791153 1842939 1885923 2012283 2118753 2250423 2302911 2369493 2528253 2587221 2662023 2724111 2893401 3046491 3250611 3326427 3422601 3651921 3720087 3916917 4179357 4300191 4400487 4695327 4943757 5250987 5373459 5528817 5657769 6036849 6211387 6356259 6751269 6908733 7108479 7584759 7761663 7986069 8172333 8680203 9139473 9751833 9979281 10267803 10955763 11160261 11535433 11750751 12538071 12900573 13201461 14085981 14831271 15752961 16120377 16586451 16973307 18110547 18634161 19068777 20253807 20726199 21325437 22754277 23284989 23958207 24516999 26040609 27418419 29255499 29937843 30803409 32867289 34606299 35252253 37614213 38701719 39604383 42257943 44493813 47258883 48361131 49759353 50919921 54331641 55902483 57206331 60761421 63976311 68262831 69854967 71874621 73550997 78121827 80748031 82255257 87766497 89813529 92410227 98601867 103818897 105756759 112842639 116105157 118813149 126773829 133481439 141776649 145083393 149278059 152759763 162994923 167707449 171618993 182284263 191928933 204788493 209564901 215623863 220652991 242244093 246765771 263299491 269440587 277230681 295805601 311456691 317270277 338527917 348315471 356439447 380321487 400444317 425329947 447834177 458279289 488984769 503122347 514856979 546852789 575786799 614365479 628694703 646871589 661958973 726732279 740297313 789898473 831692043 887416803 934370073 1015583751 1044946413 1069318341 1140964461 1201332951 1275989841 1343502531 1374837867 1466954307 1509367041 1544570937 1727360397 1843096437 1886084109 1940614767 1985876919 2180196837 2220891939 2369695419 2495076129 2662250409 2803110219 3134839239 3207955023 3422893383 3603998853 3827969523 4030507593 4124513601 4400862921 4528101123 4633712811 5182081191 5529289311 5821844301 5957630757 6540590511 7109086257 7485228387 7986751227 8409330657 9404517717 9623865069 10268680149 10811996559 12091522779 13202588763 13584303369 13901138433 15546243573 16587867933 17465532903 17872892271 19621771533 22455685161 23960253681 25227991971 28213553151 28871595207 30806040447 32435989677 36274568337 40752910107 41703415299 49763603799 52396598709 53618676813 58865314599 67367055483 71880761043 75683975913 84640659453 92418121341 97307969031 108823705011 122258730321 125110245897 157189796127 176595943797 202101166449 215642283129 227051927739 253921978359 291923907093 366776190963 375330737691 471569388381 529787831391 646926849387 681155783217 761765935077 875771721279 1100328572889 1414708165143 1589363494173 2043467349651 2627315163837 3300985718667 4768090482519 6130402048953 9902957156001 14304271447557 18391206146859 42912814342671 128738443028013
• Sum of all divisors σ(n): 245166808634400
• Sum of proper divisors (its aliquot sum) s(n): 116428365606387
• 128738443028013 is a deficient number, because the sum of its proper divisors (116428365606387) is less than itself. Its deficiency is 12310077421626

Bases of 128738443028013

• Binary: 11101010001011001000001001010100110011000101101₂
• Hexadecimal: 0x7516412A662D
• Base-36: 19MTMH1TT9

Squares and roots of 128738443028013

• 128738443028013 squared (128738443028013²) is 16573586713276949008302728169
• 128738443028013 cubed (128738443028013³) is 2133657748857037727718314469698885191198197
• The square root of 128738443028013 is 11346296.4454491933
• The cube root of 128738443028013 is 50493.5707958143

Scales and comparisons

• 128,738,443,028,013 seconds is equal to 4,093,484 years, 14 weeks, 1 day, 18 hours, 53 minutes, 33 seconds.
• To count from 1 to 128,738,443,028,013 would take you about ten million, two hundred thirty-three thousand, seven hundred ten 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 128738443028013 cubic inches would be around 4207.8 feet tall.

Recreational maths with 128738443028013

• 128738443028013 backwards is 310820344837821
• The number of decimal digits it has is: 15
• The sum of 128738443028013's digits is 54
• More coming soon!