21021889737568707

Names of 21021889737568707

• Cardinal: 21021889737568707 can be written as Twenty-one quadrillion, twenty-one trillion, eight hundred eighty-nine billion, seven hundred thirty-seven million, five hundred sixty-eight thousand, seven hundred seven.

Scientific notation

• Scientific notation: 2.1021889737568707 × 10¹⁶

Factors of 21021889737568707

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 4405

Divisors of 21021889737568707

• Number of divisors d(n): 180
• Complete list of divisors:
  1 3 9 13 27 39 67 81 117 201 271 351 603 813 871 1053 1809 2439 2613 3523 4051 4489 5427 7317 7839 10569 12153 13467 18157 21951 23517 31707 36459 40401 52663 54471 58357 70551 95121 109377 121203 157989 163413 175071 236041 271417 285363 328131 363609 473967 490239 525213 708123 814251 1097821 1216519 1421901 1470717 1575639 2124369 2442753 3293463 3528421 3649557 4265703 4726917 6373107 7328259 9880389 10585263 10948671 14271673 15814747 16410601 18184939 19119321 21984777 29641167 31755789 32846013 42815019 47444241 49231803 54554817 73554007 88923501 95267367 98538039 128445057 142332723 147695409 163664451 213337813 220662021 236404207 285802101 385335171 426998169 443086227 490993353 640013439 661986063 709212621 956202091 1099510267 1156005513 1280994507 1329258681 1472980059 1920040317 1985958189 2127637863 2868606273 3298530801 4447272871 4928118469 5760120951 5957874567 6382913589 8605818819 9895592403 13341818613 14293633471 14784355407 17280362853 19148740767 25817456457 29686777209 40025455839 42880900413 44353066221 57814547323 64065540097 73667187889 77452369371 89060331627 120076367517 128642701239 133059198663 173443641969 192196620291 221001563667 297967282357 360229102551 385928103717 399177595989 520330925907 576589860873 663004691001 893901847071 957673442557 1157784311151 1560992777721 1729769582619 1989014073003 2681705541213 2873020327671 3873574670641 4682978333163 5189308747857 5967042219009 8045116623639 8619060983013 11620724011923 19963807917919 24135349870917 25857182949039 34862172035769 59891423753757 77571548847117 104586516107307 179674271261271 259529502932947 313759548321921 539022813783813 778588508798841 1617068441351439 2335765526396523 7007296579189569 21021889737568707
• Sum of all divisors σ(n): 34466171520277728
• Sum of proper divisors (its aliquot sum) s(n): 13444281782709021
• 21021889737568707 is a deficient number, because the sum of its proper divisors (13444281782709021) is less than itself. Its deficiency is 7577607954859686

Bases of 21021889737568707

• Binary: 1001010101011110100110000011110010100001011000111000011₂
• Hexadecimal: 0x4AAF4C1E50B1C3
• Base-36: 5QZMYTON16R

Squares and roots of 21021889737568707

• 21021889737568707 squared (21021889737568707²) is 441919848138496520862643545651849
• 21021889737568707 cubed (21021889737568707³) is 9289990320410581477607912679918126891090739089243
• The square root of 21021889737568707 is 144989274.5604608747
• The cube root of 21021889737568707 is 275988.2448678267

Scales and comparisons

• 21,021,889,737,568,707 seconds is equal to 668,431,068 years, 35 weeks, 2 days, 15 hours, 18 minutes, 27 seconds.
• To count from 1 to 21,021,889,737,568,707 would take you about two billion, five million, two hundred ninety-three thousand, two hundred six 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 21021889737568707 cubic inches would be around 22999 feet tall.

Recreational maths with 21021889737568707

• 21021889737568707 backwards is 70786573798812012
• 21021889737568707 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21021889737568707's digits is 81
• More coming soon!