21497070231

Names of 21497070231

• Cardinal: 21497070231 can be written as Twenty-one billion, four hundred ninety-seven million, seventy thousand, two hundred thirty-one.

Scientific notation

• Scientific notation: 2.1497070231 × 10¹⁰

Factors of 21497070231

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 106

Divisors of 21497070231

• Number of divisors d(n): 324
• Complete list of divisors:
  1 3 7 9 13 17 19 21 39 47 49 51 57 63 91 117 119 133 141 147 153 169 171 221 247 273 323 329 357 361 399 423 441 507 611 637 663 741 799 819 833 893 931 969 987 1071 1083 1183 1197 1521 1547 1729 1833 1911 1989 2223 2261 2303 2397 2499 2527 2679 2793 2873 2907 2961 3211 3249 3549 4199 4277 4641 4693 5187 5499 5593 5733 6137 6251 6783 6909 7191 7497 7581 7943 8037 8281 8379 8619 9633 10387 10647 10829 11609 12103 12597 12831 13923 14079 15181 15561 15827 16779 16967 17689 18411 18753 20111 20349 20727 22477 22743 23829 24843 25857 28899 29393 29939 31161 32487 32851 34827 36309 37791 38493 39151 42237 42959 43757 45543 47481 50337 50901 53067 54587 55233 55601 56259 60333 61009 67431 71487 72709 74529 79781 81263 88179 89817 93483 97461 98553 104481 106267 108927 117453 118769 128877 131271 135031 136629 140777 142443 150917 152703 157339 159201 163761 166803 180999 183027 197353 202293 205751 218127 220571 229957 239343 243789 264537 269451 288439 295659 300713 318801 352359 356307 382109 386631 389207 393813 405093 422331 427063 452751 472017 491283 500409 508963 549081 558467 568841 592059 617253 654381 661713 689871 718029 731367 743869 831383 865317 902139 945217 956403 1037153 1056419 1068921 1146327 1167621 1215279 1266993 1281189 1358253 1381471 1416051 1526889 1543997 1675401 1706523 1776177 1851759 1985139 2019073 2069613 2231607 2494149 2565589 2595951 2674763 2706417 2835651 2867423 2989441 3111459 3169257 3438981 3502863 3749707 3843567 3909269 4144413 4580667 4631991 5026203 5119569 6057219 6616519 6694821 7260071 7394933 7482447 7696767 8024289 8506953 8602269 8968323 9334377 9507771 9670297 10807979 11249121 11727807 12433239 13895973 14133511 17959123 18171657 19849557 20071961 21780213 22184799 23090301 24072867 25806807 26247949 26904969 29010891 32423937 33747363 35183421 42400533 48746191 50820497 53877369 59548671 60215883 65340639 66554397 78743847 87032673 97271811 125713861 127201599 140503727 146238573 152461491 161632107 180647649 183735643 236231541 341223337 377141583 421511181 438715719 457384473 551206929 1023670011 1131424749 1264533543 1653620787 2388563359 3071010033 7165690077 21497070231
• Sum of all divisors σ(n): 44638337952
• Sum of proper divisors (its aliquot sum) s(n): 23141267721
• 21497070231 is an abundant number, because the sum of its proper divisors (23141267721) is greater than itself. Its abundance is 1644197490

Bases of 21497070231

• Binary: 10100000001010100110100001010010111₂
• Hexadecimal: 0x501534297
• Base-36: 9VISTJR

Squares and roots of 21497070231

• 21497070231 squared (21497070231²) is 462124028516546393361
• 21497070231 cubed (21497070231³) is 9934312696452844563651169136391
• The square root of 21497070231 is 146618.7922164141
• The cube root of 21497070231 is 2780.5225727339

Scales and comparisons

• 21,497,070,231 seconds is equal to 683 years, 28 weeks, 16 hours, 23 minutes, 51 seconds.
• To count from 1 to 21,497,070,231 would take you about one thousand, three hundred sixty-seven 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 21497070231 cubic inches would be around 231.7 feet tall.

Recreational maths with 21497070231

• 21497070231 backwards is 13207079412
• The number of decimal digits it has is: 11
• The sum of 21497070231's digits is 36
• More coming soon!