21454442724

Names of 21454442724

• Cardinal: 21454442724 can be written as Twenty-one billion, four hundred fifty-four million, four hundred forty-two thousand, seven hundred twenty-four.

Scientific notation

• Scientific notation: 2.1454442724 × 10¹⁰

Factors of 21454442724

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 578

Divisors of 21454442724

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 11 12 13 19 22 26 33 38 39 44 52 57 66 76 78 114 121 132 143 156 163 209 228 242 247 286 326 363 367 418 429 484 489 494 572 627 652 726 734 741 836 858 978 988 1101 1254 1452 1468 1482 1573 1716 1793 1956 2119 2202 2299 2508 2717 2964 3097 3146 3586 4037 4238 4404 4598 4719 4771 5379 5434 6194 6292 6357 6897 6973 7172 8074 8151 8476 9196 9291 9438 9542 10758 10868 12111 12388 12714 13794 13946 14313 16148 16302 18582 18876 19084 19723 20919 21516 23309 24222 25428 27588 27892 28626 29887 32604 34067 37164 39446 40261 41838 44407 46618 48444 52481 57252 59169 59774 59821 68134 69927 76703 78892 80522 83676 88814 89661 90649 93236 102201 104962 118338 119548 119642 120783 133221 136268 139854 153406 157443 161044 177628 179322 179463 181298 204402 209924 230109 236676 239284 241566 256399 266442 271947 279708 306812 314886 358644 358926 362596 374737 408804 442871 460218 483132 512798 532884 543894 577291 629772 658031 717852 749474 769197 777673 843733 885742 920436 997139 1025596 1087788 1124211 1136599 1154582 1316062 1328613 1498948 1538394 1555346 1687466 1731873 1771484 1974093 1994278 2248422 2273198 2309164 2333019 2531199 2632124 2657226 2991417 3076788 3110692 3374932 3409797 3463746 3948186 3988556 4496844 4546396 4666038 4871581 5062398 5314452 5982834 6819594 6927492 7238341 7896372 8554403 9332076 9743162 10124796 10968529 11965668 12502589 13639188 14476682 14614743 14775787 17108806 19486324 21715023 21937058 25005178 25663209 28953364 29229486 29551574 32905587 34217612 37507767 43430046 43874116 44327361 50010356 51326418 58458972 59103148 65811174 75015534 86860092 88654722 94098433 102652836 131622348 137528479 150031068 162533657 177309444 188196866 275056958 282295299 325067314 376393732 412585437 487600971 550113916 564590598 650134628 825170874 975201942 1129181196 1650341748 1787870227 1950403884 3575740454 5363610681 7151480908 10727221362 21454442724
• Sum of all divisors σ(n): 62930237440
• Sum of proper divisors (its aliquot sum) s(n): 41475794716
• 21454442724 is an abundant number, because the sum of its proper divisors (41475794716) is greater than itself. Its abundance is 20021351992

Bases of 21454442724

• Binary: 10011111110110010001101000011100100₂
• Hexadecimal: 0x4FEC8D0E4
• Base-36: 9UTF5YC

Squares and roots of 21454442724

• 21454442724 squared (21454442724²) is 460293112597396540176
• 21454442724 cubed (21454442724³) is 9875332220472526942721756879424
• The square root of 21454442724 is 146473.3515831463
• The cube root of 21454442724 is 2778.6834821883

Scales and comparisons

• 21,454,442,724 seconds is equal to 682 years, 9 weeks, 4 days, 7 hours, 25 minutes, 24 seconds.
• To count from 1 to 21,454,442,724 would take you about one thousand, three hundred sixty-four 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 21454442724 cubic inches would be around 231.6 feet tall.

Recreational maths with 21454442724

• 21454442724 backwards is 42724445412
• 21454442724 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21454442724's digits is 39
• More coming soon!