21454015132431

Names of 21454015132431

• Cardinal: 21454015132431 can be written as Twenty-one trillion, four hundred fifty-four billion, fifteen million, one hundred thirty-two thousand, four hundred thirty-one.

Scientific notation

• Scientific notation: 2.1454015132431 × 10¹³

Factors of 21454015132431

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 74

Divisors of 21454015132431

• Number of divisors d(n): 324
• Complete list of divisors:
  1 3 7 9 17 21 27 47 49 51 63 81 119 141 147 153 189 243 289 329 357 423 441 459 567 729 799 833 867 987 1071 1269 1323 1377 1701 2023 2187 2303 2397 2499 2601 2961 3213 3807 3969 4131 4913 5103 5593 6069 6561 6909 7191 7497 7803 8883 9639 11421 11907 12393 13583 14161 14739 15309 16779 18207 20727 21573 22491 23409 26649 28917 34263 34391 35721 37179 39151 40749 42483 44217 45927 50337 54621 62181 64719 67473 70227 79947 83521 86751 95081 102789 103173 107163 111537 117453 122247 127449 132651 151011 163863 186543 194157 202419 210681 230911 239841 240737 250563 260253 285243 308367 309519 321489 352359 366741 382347 397953 453033 491589 559629 582471 584647 607257 632043 665567 692733 719523 722211 751689 780759 855729 928557 1057077 1100223 1147041 1193859 1359099 1419857 1474767 1616377 1678887 1747413 1753941 1821771 1896129 1996701 2078199 2158569 2166633 2255067 2567187 2785671 3171231 3300669 3441123 3581577 3925487 4077297 4092529 4259571 4424301 4849131 5036661 5242239 5261823 5465313 5990103 6234597 6499899 6765201 7701561 8357013 9513693 9902007 9938999 10323369 10744731 11314639 11776461 12231891 12277587 12778713 13272903 14547393 15109983 15785469 17970309 18703791 19499697 20295603 23104683 25071039 27478409 28541079 29706021 29816997 30970107 32234193 33943917 35329383 36695673 36832761 38336139 43642179 47356407 53910927 56111373 58499091 60886809 66733279 69314049 69572993 75213117 82435227 85623237 89118063 89450991 92910321 101831751 105988149 110498283 115008417 130926537 142069221 161732781 168334119 175497273 182660427 192348863 200199837 207942147 208718979 225639351 247305681 256869711 268352973 305495253 317964447 331494849 345025251 392779611 426207663 467132953 485198343 505002357 526491819 547981281 577046589 600599511 623826441 626156937 741917043 805058919 916485759 953893341 994484547 1035075753 1178338833 1278622989 1401398859 1455595029 1515007071 1579475457 1731139767 1801798533 1878470811 2225751129 2415176757 2749457277 2861680023 2983453641 3105227259 3269930671 3535016499 3835868967 4204196577 4366785087 5193419301 5405395599 5635412433 6677253387 7245530271 8248371831 8585040069 8950360923 9315681777 9809792013 10605049497 12612589731 15580257903 16216186797 16906237299 20031760161 21736590813 24745115493 25755120207 26851082769 29429376039 37837769193 46740773709 48648560391 50718711897 60095280483 65209772439 74235346479 88288128117 113513307579 140222321127 145945681173 152156135691 180285841449 264864384351 340539922737 420666963381 437837043519 456468407073 794593153053 1021619768211 1262000890143 2383779459159 3064859304633 7151338377477 21454015132431
• Sum of all divisors σ(n): 40618964943648
• Sum of proper divisors (its aliquot sum) s(n): 19164949811217
• 21454015132431 is a deficient number, because the sum of its proper divisors (19164949811217) is less than itself. Its deficiency is 2289065321214

Bases of 21454015132431

• Binary: 100111000001100100110111100110111001100001111₂
• Hexadecimal: 0x138326F3730F
• Base-36: 7LRU6OLXR

Squares and roots of 21454015132431

• 21454015132431 squared (21454015132431²) is 460274765302578338467969761
• 21454015132431 cubed (21454015132431³) is 9874741779877642655952652213692118418991
• The square root of 21454015132431 is 4631847.9176707649
• The cube root of 21454015132431 is 27786.6502214977

Scales and comparisons

• 21,454,015,132,431 seconds is equal to 682,171 years, 16 weeks, 4 days, 7 hours, 53 minutes, 51 seconds.
• To count from 1 to 21,454,015,132,431 would take you about one million, seven hundred five thousand, four hundred twenty-eight 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 21454015132431 cubic inches would be around 2315.6 feet tall.

Recreational maths with 21454015132431

• 21454015132431 backwards is 13423151045412
• The number of decimal digits it has is: 14
• The sum of 21454015132431's digits is 36
• More coming soon!