21789708721144

Names of 21789708721144

• Cardinal: 21789708721144 can be written as Twenty-one trillion, seven hundred eighty-nine billion, seven hundred eight million, seven hundred twenty-one thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 2.1789708721144 × 10¹³

Factors of 21789708721144

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 3689

Divisors of 21789708721144

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 7 8 13 14 17 26 28 34 52 56 68 79 91 104 119 136 158 182 221 238 316 364 442 476 553 632 728 884 952 1027 1106 1343 1547 1768 2054 2212 2686 3094 3571 4108 4424 5372 6188 6241 7142 7189 8216 9401 10744 12376 12482 14284 14378 17459 18802 24964 24997 28568 28756 34918 37604 43687 46423 49928 49994 57512 60707 69836 75208 81133 87374 92846 99988 106097 121414 122213 139672 162266 174748 185692 199976 212194 242828 244426 282109 324532 324961 349496 371384 424388 424949 485656 488852 493039 564218 567931 649064 649922 742679 789191 848776 849898 977704 986078 1128436 1135862 1299844 1379261 1485358 1578382 1699796 1972156 1974763 2256872 2271724 2599688 2758522 2970716 3156764 3399592 3451273 3667417 3944312 3949526 4543448 4795853 5517044 5524337 5941432 6313528 6409507 6902546 7334834 7899052 8381663 9591706 9654827 11034088 11048674 12819014 13805092 14669668 15798104 16763326 19183412 19309654 22097348 22286611 25638028 25671919 27610184 29339336 33526652 33570971 38366824 38619308 44194696 44573222 44866549 51276056 51343838 58671641 62346089 67053304 67141942 77238616 89146444 89733098 102687676 108961619 117343282 124692178 134283884 156006277 178292888 179466196 205375352 217923238 234686564 249384356 268567768 289725943 312012554 358932392 378872387 435846476 436422623 469373128 498768712 579451886 624025108 757744774 762731333 871692952 872845246 1158903772 1248050216 1515489548 1525462666 1745690492 1760642269 2028081601 2317807544 2652106709 3030979096 3050925332 3491380984 3521284538 4056163202 4925341031 5304213418 6101850664 7042569076 8112326404 9850682062 10608426836 12324495883 14085138152 16224652808 19701364124 21216853672 22888349497 24648991766 29930918573 34477387217 39402728248 45776698994 49297983532 59861837146 68954774434 91553397988 98595967064 119723674292 137909548868 160218446479 183106795976 209516430011 239447348584 275819097736 320436892958 389101941449 419032860022 640873785916 778203882898 838065720044 1281747571832 1556407765796 1676131440088 2723713590143 3112815531592 5447427180286 10894854360572 21789708721144
• Sum of all divisors σ(n): 53939508940800
• Sum of proper divisors (its aliquot sum) s(n): 32149800219656
• 21789708721144 is an abundant number, because the sum of its proper divisors (32149800219656) is greater than itself. Its abundance is 10360091498512

Bases of 21789708721144

• Binary: 100111101000101001111110110010001101111111000₂
• Hexadecimal: 0x13D14FD91BF8
• Base-36: 7Q21XZ8QG

Squares and roots of 21789708721144

• 21789708721144 squared (21789708721144²) is 474791406152298891952668736
• 21789708721144 cubed (21789708721144³) is 10345566443360970182665633716484430953984
• The square root of 21789708721144 is 4667944.8069941873
• The cube root of 21789708721144 is 27930.8278614791

Scales and comparisons

• 21,789,708,721,144 seconds is equal to 692,845 years, 17 weeks, 3 days, 18 hours, 59 minutes, 4 seconds.
• To count from 1 to 21,789,708,721,144 would take you about one million, seven hundred thirty-two thousand, one hundred thirteen 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 21789708721144 cubic inches would be around 2327.6 feet tall.

Recreational maths with 21789708721144

• 21789708721144 backwards is 44112780798712
• The number of decimal digits it has is: 14
• The sum of 21789708721144's digits is 61
• More coming soon!