21072356824428

Names of 21072356824428

• Cardinal: 21072356824428 can be written as Twenty-one trillion, seventy-two billion, three hundred fifty-six million, eight hundred twenty-four thousand, four hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1072356824428 × 10¹³

Factors of 21072356824428

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 3585

Divisors of 21072356824428

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 7 9 12 13 14 18 19 21 26 27 28 36 38 39 42 52 54 57 63 76 78 81 84 91 108 114 117 126 133 156 162 171 182 189 228 234 243 247 252 266 273 324 342 351 364 378 399 468 486 494 513 532 546 567 684 702 741 756 798 819 972 988 1026 1053 1092 1134 1197 1404 1482 1539 1596 1638 1701 1729 2052 2106 2223 2268 2394 2457 2964 3078 3159 3276 3402 3458 3541 3591 4212 4446 4617 4788 4914 5187 6156 6318 6669 6804 6916 7082 7182 7371 8892 9234 9828 10374 10623 10773 12636 13338 14164 14364 14742 15561 18468 20007 20748 21246 21546 22113 24787 26676 29484 31122 31869 32319 40014 42492 43092 44226 46033 46683 49574 60021 62244 63738 64638 67279 74361 80028 88452 92066 93366 95607 99148 120042 127476 129276 134558 138099 140049 148722 184132 186732 191214 201837 223083 240084 269116 276198 280098 286821 297444 322231 382428 403674 414297 420147 446166 470953 552396 560196 573642 605511 644462 669249 807348 828594 840294 860463 874627 892332 941906 966693 1147284 1211022 1242891 1288924 1338498 1412859 1657188 1680588 1720926 1749254 1816533 1883812 1933386 2007747 2422044 2485782 2623881 2676996 2825718 2900079 3441852 3498508 3633066 3728673 3866772 4015494 4238577 4971564 5247762 5449599 5651436 5800158 6023241 6122389 7266132 7457346 7871643 8030988 8477154 8700237 10495524 10899198 11186019 11600316 12046482 12244778 12538681 12715731 14914692 15743286 16348797 16954308 17400474 18367167 21798396 22372038 23614929 24092964 24489556 25077362 25431462 26100711 31486572 32697594 34800948 36734334 37616043 38147193 44744076 47229858 50154724 50862924 52201422 55101501 65395188 70844787 73468668 75232086 76294386 78302133 87770767 94459716 104402844 110203002 112848129 114441579 141689574 150464172 152588772 156604266 163002853 165304503 175541534 212534361 220406004 225696258 228883158 238234939 263312301 283379148 313208532 326005706 330609006 338544387 351083068 425068722 451392516 457766316 476469878 489008559 495913509 526624602 652011412 661218012 677088774 714704817 789936903 850137444 952939756 978017118 991827018 1015633161 1053249204 1141019971 1354177548 1429409634 1467025677 1487740527 1579873806 1667644573 1956034236 1983654036 2031266322 2144114451 2282039942 2369810709 2858819268 2934051354 2975481054 3046899483 3097054207 3159747612 3335289146 3423059913 4062532644 4288228902 4401077031 4564079884 4739621418 5002933719 5868102708 5950962108 6093798966 6194108414 6432343353 6670578292 6846119826 7109432127 8576457804 8802154062 9291162621 9479242836 10005867438 10269179739 12187597932 12388216828 12864686706 13203231093 13692239652 14218864254 15008801157 17604308124 18582325242 19297030059 20011734876 20538359478 21328296381 21679379449 25729373412 26406462186 27873487863 28437728508 30017602314 30807539217 37164650484 38594060118 39609693279 41076718956 42656592762 43358758898 45026403471 52812924372 55746975726 57891090177 60035204628 61615078434 65038138347 77188120236 79219386558 83620463589 85313185524 86717517796 90052806942 92422617651 111493951452 115782180354 123230156868 130076276694 135079210413 158438773116 167240927178 180105613884 184845235302 195114415041 231564360708 250861390767 260152553388 270158420826 277267852953 334481854356 369690470604 390228830082 405237631239 501722781534 540316841652 554535705906 585343245123 752584172301 780457660164 810475262478 1003445563068 1109071411812 1170686490246 1505168344602 1620950524956 1756029735369 2341372980492 3010336689204 3512059470738 5268089206107 7024118941476 10536178412214 21072356824428
• Sum of all divisors σ(n): 71584988616960
• Sum of proper divisors (its aliquot sum) s(n): 50512631792532
• 21072356824428 is an abundant number, because the sum of its proper divisors (50512631792532) is greater than itself. Its abundance is 29440274968104

Bases of 21072356824428

• Binary: 100110010101001001010010101111101010101101100₂
• Hexadecimal: 0x132A4A57D56C
• Base-36: 7GWI96IR0

Squares and roots of 21072356824428

• 21072356824428 squared (21072356824428²) is 444044222136017304417527184
• 21072356824428 cubed (21072356824428³) is 9357058294675727027998979707258605250752
• The square root of 21072356824428 is 4590463.6829440225
• The cube root of 21072356824428 is 27620.8922644965

Scales and comparisons

• 21,072,356,824,428 seconds is equal to 670,035 years, 39 weeks, 5 days, 19 hours, 13 minutes, 48 seconds.
• To count from 1 to 21,072,356,824,428 would take you about one million, six hundred seventy-five thousand and eighty-nine 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 21072356824428 cubic inches would be around 2301.7 feet tall.

Recreational maths with 21072356824428

• 21072356824428 backwards is 82442865327012
• 21072356824428 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21072356824428's digits is 54
• More coming soon!