21427794135945

Names of 21427794135945

• Cardinal: 21427794135945 can be written as Twenty-one trillion, four hundred twenty-seven billion, seven hundred ninety-four million, one hundred thirty-five thousand, nine hundred forty-five.

Scientific notation

• Scientific notation: 2.1427794135945 × 10¹³

Factors of 21427794135945

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 254

Divisors of 21427794135945

• Number of divisors d(n): 360
• Complete list of divisors:
  1 3 5 9 15 17 27 45 51 53 79 81 85 97 135 153 159 237 255 265 291 395 405 459 477 485 711 765 795 873 901 1185 1343 1377 1431 1455 1649 2133 2295 2385 2619 2703 3555 4029 4187 4293 4365 4505 4947 5141 6241 6399 6715 6885 7155 7663 7857 8109 8245 9409 10665 12087 12561 13095 13515 14841 15423 18723 20145 20935 21465 22989 24327 24735 25705 28227 31205 31995 36261 37683 38315 39285 40545 44523 46269 47045 56169 60435 62805 68967 71179 72981 74205 77115 84681 87397 93615 106097 108783 113049 114945 121635 130271 133569 138807 141135 159953 168507 181305 188415 206901 213537 222615 231345 254043 262191 280845 318291 330773 339147 344835 355895 364905 390813 406139 416421 423405 436985 479859 498677 505521 530485 543915 565245 605377 620703 640611 651355 667845 694035 743311 762129 786573 799765 842535 954873 992319 1034505 1067685 1172439 1218417 1270215 1310955 1439577 1496031 1591455 1653865 1695735 1816131 1921833 1954065 2030695 2082105 2229933 2359719 2399295 2493385 2527605 2864619 2976957 3026885 3103515 3203055 3517317 3655251 3716555 3810645 3932865 4318731 4488093 4774365 4961595 5448393 5623141 5765499 5862195 6092085 6689799 6904363 7079157 7197885 7480155 8477509 8593857 8930871 9080655 9609165 10291409 10551951 10965753 11149665 11798595 12636287 12956193 13464279 14323095 14884785 16345179 16869423 17586585 18276255 20069397 20713089 21593655 22440465 25432527 26792613 27241965 28115705 28827495 30874227 32084981 32897259 33448995 34521815 35395785 37908861 39395483 40392837 42387545 42969285 44654355 49035537 50608269 51457045 52759755 54828765 58721569 60208191 62139267 63181435 64780965 67321395 76297581 81725895 84347115 92622681 96254943 100346985 103565445 113726583 118186449 127162635 133963065 151824807 154371135 160424905 164486295 176164707 186417801 189544305 196977415 201964185 228892743 245177685 253041345 277868043 288764829 293607845 301040955 310696335 341179749 354559347 381487905 455474421 463113405 481274715 528494121 545444677 559253403 568632915 590932245 669723211 686678229 759124035 833604129 866294487 880823535 932089005 998266673 1023539247 1063678041 1144463715 1389340215 1443824145 1585482363 1636334031 1705898745 1772796735 2009169633 2277372105 2598883461 2642470605 2727223385 2796267015 2994800019 3112243157 3191034123 3348616055 3433391145 4168020645 4331472435 4756447089 4909002093 4991333365 5117696235 5318390205 6027508899 7927411815 8181670155 8984400057 9336729471 10045848165 12994417305 14727006279 14974000095 15561215785 15955170615 18082526697 23782235445 24545010465 26953200171 28010188413 30137544495 44181018837 44922000285 46683647355 52908133669 54247580091 73635031395 80859600513 84030565239 90412633485 134766000855 140050942065 158724401007 220905094185 252091695717 264540668345 271237900455 404298002565 420152826195 476173203021 793622005035 1260458478585 1428519609063 2380866015105 4285558827189 7142598045315 21427794135945
• Sum of all divisors σ(n): 42406474632984
• Sum of proper divisors (its aliquot sum) s(n): 20978680497039
• 21427794135945 is a deficient number, because the sum of its proper divisors (20978680497039) is less than itself. Its deficiency is 449113638906

Bases of 21427794135945

• Binary: 100110111110100001100000011101100101110001001₂
• Hexadecimal: 0x137D0C0ECB89
• Base-36: 7LFSJDNK9

Squares and roots of 21427794135945

• 21427794135945 squared (21427794135945²) is 459150361532438929141043025
• 21427794135945 cubed (21427794135945³) is 9838579424361821589742277106915944033625
• The square root of 21427794135945 is 4629016.5409020737
• The cube root of 21427794135945 is 27775.3253687379

Scales and comparisons

• 21,427,794,135,945 seconds is equal to 681,337 years, 29 weeks, 5 days, 13 hours, 45 minutes, 45 seconds.
• To count from 1 to 21,427,794,135,945 would take you about one million, seven hundred three thousand, three hundred forty-three 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 21427794135945 cubic inches would be around 2314.6 feet tall.

Recreational maths with 21427794135945

• 21427794135945 backwards is 54953149772412
• The number of decimal digits it has is: 14
• The sum of 21427794135945's digits is 63
• More coming soon!