21380062707531

Names of 21380062707531

• Cardinal: 21380062707531 can be written as Twenty-one trillion, three hundred eighty billion, sixty-two million, seven hundred seven thousand, five hundred thirty-one.

Scientific notation

• Scientific notation: 2.1380062707531 × 10¹³

Factors of 21380062707531

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 231

Divisors of 21380062707531

• Number of divisors d(n): 240
• Complete list of divisors:
  1 3 9 11 27 29 33 61 81 87 99 127 183 261 297 319 381 549 671 783 841 891 957 1143 1397 1647 1769 2013 2349 2523 2871 3429 3683 4191 4941 5307 6039 7569 7747 8613 9251 10287 11049 12573 15921 16129 18117 19459 22707 23241 24389 25839 27753 33147 37719 40513 47763 48387 51301 54351 58377 68121 69723 73167 83259 85217 99441 106807 113157 121539 143289 145161 153903 175131 177419 209169 219501 224663 249777 255651 268279 298323 320421 364617 435483 461709 467741 525393 532257 564311 627507 658503 673989 749331 766953 804837 961263 983869 1093851 1174877 1306449 1385127 1403223 1487729 1576179 1596771 1692933 1975509 2021967 2300859 2414511 2471293 2883789 2951607 3097403 3281553 3524631 4155381 4209669 4463187 4790313 5078799 5145151 6065901 6515227 6902577 7243533 7413879 8651367 8854821 9292209 10573893 10822559 12629007 13389561 13564489 14370939 15236397 15435453 16365019 18197703 19545681 21730599 22241637 26564463 27876627 28532201 31721679 32467677 34071433 37887021 40168683 40693467 45709191 46306359 49095057 58637043 66724911 71667497 79693389 83629881 85596603 95165037 97403031 102214299 120506049 122080401 138919077 147285171 149209379 175911129 188941583 200174733 215002491 250889643 256789809 292209093 306642897 313854211 366241203 393370181 416757231 441855513 447628137 527733387 566824749 645007473 770369427 827433829 876627279 919928691 941562633 1098723609 1180110543 1325566539 1342884411 1700474247 1935022419 2078357413 2311108281 2482301487 2759786073 2824687899 3540331629 4028653233 4327071991 5101422741 5805067257 6235072239 7446904461 8474063697 9101772119 10620994887 12085959699 12981215973 15304268223 18705216717 22340713383 23995581041 25422191091 27305316357 31862984661 38943647919 56115650151 67022140149 71986743123 81915949071 116830943757 168346950453 215960229369 245747847213 263951391451 350492831271 647880688107 737243541639 791854174353 1943642064321 2375562523059 7126687569177 21380062707531
• Sum of all divisors σ(n): 36968519443680
• Sum of proper divisors (its aliquot sum) s(n): 15588456736149
• 21380062707531 is a deficient number, because the sum of its proper divisors (15588456736149) is less than itself. Its deficiency is 5791605971382

Bases of 21380062707531

• Binary: 100110111000111101111000010101111111101001011₂
• Hexadecimal: 0x1371EF0AFF4B
• Base-36: 7KTV5BHOR

Squares and roots of 21380062707531

• 21380062707531 squared (21380062707531²) is 457107081377957794444115961
• 21380062707531 cubed (21380062707531³) is 9772978063917213473026311042209392002291
• The square root of 21380062707531 is 4623857.9895506089
• The cube root of 21380062707531 is 27754.6864178985

Scales and comparisons

• 21,380,062,707,531 seconds is equal to 679,819 years, 44 weeks, 5 days, 11 hours, 38 minutes, 51 seconds.
• To count from 1 to 21,380,062,707,531 would take you about one million, six hundred ninety-nine thousand, five hundred forty-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 21380062707531 cubic inches would be around 2312.9 feet tall.

Recreational maths with 21380062707531

• 21380062707531 backwards is 13570726008312
• The number of decimal digits it has is: 14
• The sum of 21380062707531's digits is 45
• More coming soon!