128821346971812

Names of 128821346971812

• Cardinal: 128821346971812 can be written as One hundred twenty-eight trillion, eight hundred twenty-one billion, three hundred forty-six million, nine hundred seventy-one thousand, eight hundred twelve.

Scientific notation

• Scientific notation: 1.28821346971812 × 10¹⁴

Factors of 128821346971812

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 2283

Divisors of 128821346971812

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 6 9 11 12 18 22 27 33 36 44 54 66 81 99 108 121 132 162 198 242 243 297 324 363 396 484 486 594 726 729 891 972 1089 1188 1331 1452 1458 1782 2178 2267 2662 2673 2916 3267 3564 3993 4356 4534 5324 5346 6534 6801 7986 8019 9068 9801 10692 11979 13068 13602 14641 15972 16038 19602 20403 23958 24937 27204 29282 29403 32076 35937 39204 40806 43923 47916 49874 58564 58806 61209 71874 74811 81612 87846 88209 99748 107811 117612 122418 131769 143748 149622 161051 175692 176418 183627 215622 224433 244836 263538 274307 299244 322102 323433 352836 367254 395307 431244 448866 483153 527076 548614 550881 644204 646866 673299 734508 790614 822921 897732 966306 970299 1097228 1101762 1185921 1293732 1346598 1449459 1581228 1645842 1652643 1771561 1932612 1940598 2019897 2203524 2371842 2468763 2693196 2898918 3017377 3291684 3305286 3543122 3557763 3881196 4039794 4348377 4743684 4937526 5314683 5797836 6034754 6059691 6610572 7086244 7115526 7406289 8079588 8696754 9052131 9875052 10629366 10673289 12069508 12119382 13045131 14231052 14812578 15944049 17393508 18104262 18179073 19487171 21258732 21346578 22218867 24238764 26090262 27156393 29625156 31888098 33191147 36208524 36358146 38974342 39135393 42693156 44437734 47832147 52180524 54312786 58461513 63776196 66382294 66656601 72716292 77948684 78270786 81469179 88875468 95664294 99573441 108625572 116923026 117406179 132764588 133313202 143496441 156541572 162938358 175384539 191328588 199146882 199969803 233846052 234812358 244407537 266626404 286992882 298720323 325876716 350769078 365102617 398293764 399939606 430489323 469624716 488815074 526153617 573985764 597440646 701538156 730205234 733222611 799879212 860978646 896160969 977630148 1052307234 1095307851 1194881292 1291467969 1460410468 1466445222 1578460851 1721957292 1792321938 2104614468 2190615702 2199667833 2582935938 2688482907 2932890444 3156921702 3285923553 3584643876 4016128787 4381231404 4399335666 4735382553 5165871876 5376965814 6313843404 6571847106 8032257574 8065448721 8798671332 9470765106 9857770659 10753931628 12048386361 13143694212 14206147659 16064515148 16130897442 18941530212 19715541318 24096772722 24196346163 28412295318 29573311977 32261794884 36145159083 39431082636 44177416657 48193545444 48392692326 56824590636 59146623954 72290318166 88354833314 88719935931 96785384652 108435477249 118293247908 132532249971 144580636332 176709666628 177439871862 216870954498 265064499942 266159807793 325306431747 354879743724 397596749913 433741908996 530128999884 532319615586 650612863494 795193499826 975919295241 1064639231172 1192790249739 1301225726988 1590386999652 1951838590482 2385580499478 2927757885723 3578370749217 3903677180964 4771160998956 5855515771446 7156741498434 10735112247651 11711031542892 14313482996868 21470224495302 32205336742953 42940448990604 64410673485906 128821346971812
• Sum of all divisors σ(n): 371965560571584
• Sum of proper divisors (its aliquot sum) s(n): 243144213599772
• 128821346971812 is an abundant number, because the sum of its proper divisors (243144213599772) is greater than itself. Its abundance is 114322866627960

Bases of 128821346971812

• Binary: 11101010010100110001110101000000011000010100100₂
• Hexadecimal: 0x75298EA030A4
• Base-36: 19NVPJX290

Squares and roots of 128821346971812

• 128821346971812 squared (128821346971812²) is 16594939435631976742322563344
• 128821346971812 cubed (128821346971812³) is 2137782451013752887407070358054315952459328
• The square root of 128821346971812 is 11349949.2056930371
• The cube root of 128821346971812 is 50504.4072841179

Scales and comparisons

• 128,821,346,971,812 seconds is equal to 4,096,120 years, 18 weeks, 6 days, 4 hours, 10 minutes, 12 seconds.
• To count from 1 to 128,821,346,971,812 would take you about ten million, two hundred forty thousand, three hundred 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 128821346971812 cubic inches would be around 4208.7 feet tall.

Recreational maths with 128821346971812

• 128821346971812 backwards is 218179643128821
• The number of decimal digits it has is: 15
• The sum of 128821346971812's digits is 63
• More coming soon!