21502703124

Names of 21502703124

• Cardinal: 21502703124 can be written as Twenty-one billion, five hundred two million, seven hundred three thousand, one hundred twenty-four.

Scientific notation

• Scientific notation: 2.1502703124 × 10¹⁰

Factors of 21502703124

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 498

Divisors of 21502703124

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 49 54 63 84 98 103 108 126 147 189 196 206 252 294 309 378 383 412 441 588 618 721 756 766 882 927 1149 1236 1323 1442 1532 1764 1854 2163 2298 2646 2681 2781 2884 3447 3708 4326 4596 5047 5292 5362 5562 6489 6894 8043 8652 10094 10341 10609 10724 11124 12978 13788 15141 16086 18767 19467 20188 20682 21218 24129 25956 30282 31827 32172 37534 38934 39449 41364 42436 45423 48258 56301 60564 63654 72387 74263 75068 77868 78898 90846 95481 96516 112602 118347 127308 136269 144774 148526 157796 168903 181692 190962 222789 225204 236694 272538 276143 286443 289548 297052 337806 355041 381924 445578 473388 506709 519841 545076 552286 572886 668367 675612 710082 828429 891156 1013418 1039682 1065123 1104572 1145772 1336734 1420164 1559523 1656858 1933001 2005101 2026836 2079364 2130246 2485287 2673468 3119046 3313716 3866002 4010202 4063247 4260492 4678569 4970574 5799003 6238092 7455861 7732004 8020404 8126494 9357138 9941148 11598006 12189741 14035707 14911722 16252988 17397009 18714276 23196012 24379482 28071414 28442729 29823444 34794018 36569223 48758964 52191027 56142828 56885458 69588036 73138446 85328187 104382054 109707669 113770916 146276892 170656374 199099103 208764108 219415338 255984561 341312748 398198206 438830676 511969122 597297309 767953683 796396412 1023938244 1194594618 1535907366 1791891927 2389189236 3071814732 3583783854 5375675781 7167567708 10751351562 21502703124
• Sum of all divisors σ(n): 65656120320
• Sum of proper divisors (its aliquot sum) s(n): 44153417196
• 21502703124 is an abundant number, because the sum of its proper divisors (44153417196) is greater than itself. Its abundance is 22650714072

Bases of 21502703124

• Binary: 10100000001101010010011011000010100₂
• Hexadecimal: 0x501A93614
• Base-36: 9VM5JX0

Squares and roots of 21502703124

• 21502703124 squared (21502703124²) is 462366241638879359376
• 21502703124 cubed (21502703124³) is 9942124028520470080713433890624
• The square root of 21502703124 is 146638.0002727803
• The cube root of 21502703124 is 2780.7654123109

Scales and comparisons

• 21,502,703,124 seconds is equal to 683 years, 37 weeks, 2 days, 21 hours, 5 minutes, 24 seconds.
• To count from 1 to 21,502,703,124 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 21502703124 cubic inches would be around 231.7 feet tall.

Recreational maths with 21502703124

• 21502703124 backwards is 42130720512
• 21502703124 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21502703124's digits is 27
• More coming soon!