21564141172992

Names of 21564141172992

• Cardinal: 21564141172992 can be written as Twenty-one trillion, five hundred sixty-four billion, one hundred forty-one million, one hundred seventy-two thousand, nine hundred ninety-two.

Scientific notation

• Scientific notation: 2.1564141172992 × 10¹³

Factors of 21564141172992

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 1547

Divisors of 21564141172992

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 27 32 33 36 44 48 54 64 66 72 88 96 99 108 121 128 132 144 176 192 198 216 242 256 264 288 297 352 363 384 396 432 484 528 576 594 704 726 768 792 864 968 1056 1089 1152 1188 1331 1408 1452 1531 1584 1728 1936 2112 2178 2304 2376 2662 2816 2904 3062 3168 3267 3456 3872 3993 4224 4356 4593 4752 5324 5808 6124 6336 6534 6912 7744 7986 8448 8712 9186 9504 10648 11616 11979 12248 12672 13068 13779 15488 15972 16841 17424 18372 19008 21296 23232 23958 24496 25344 26136 27558 30976 31944 33682 34848 35937 36744 38016 41337 42592 46464 47916 48992 50523 52272 55116 63888 67364 69696 71874 73488 76032 82674 85184 92928 95832 97984 101046 104544 110232 127776 134728 139392 143748 146976 151569 165348 170368 185251 191664 195968 202092 209088 220464 255552 269456 278784 287496 293952 303138 330696 340736 370502 383328 391936 404184 418176 440928 454707 511104 538912 555753 574992 587904 606276 661392 741004 766656 808368 836352 881856 909414 1022208 1077824 1111506 1149984 1175808 1212552 1322784 1482008 1533312 1616736 1667259 1763712 1818828 2037761 2155648 2223012 2299968 2343961 2425104 2645568 2964016 3066624 3233472 3334518 3527424 3637656 4075522 4311296 4446024 4599936 4687922 4850208 5001777 5291136 5928032 6113283 6466944 6669036 7031883 7275312 8151044 8892048 9199872 9375844 9700416 10003554 10582272 11856064 12226566 12933888 13338072 14063766 14550624 16302088 17784096 18339849 18751688 19400832 20007108 21095649 23712128 24453132 25783571 26676144 28127532 29101248 32604176 35568192 36679698 37503376 38801664 40014216 42191298 47424256 48906264 51567142 53352288 55019547 56255064 58202496 63286947 65208352 71136384 73359396 75006752 77350713 80028432 84382596 97812528 103134284 106704576 110039094 112510128 116404992 126573894 130416704 142272768 146718792 150013504 154701426 160056864 168765192 195625056 206268568 213409152 220078188 225020256 232052139 253147788 260833408 283619281 293437584 300027008 309402852 320113728 337530384 391250112 412537136 426818304 440156376 450040512 464104278 506295576 521666816 567238562 586875168 600054016 618805704 640227456 675060768 696156417 782500224 825074272 850857843 880312752 900081024 928208556 1012591152 1134477124 1173750336 1237611408 1280454912 1350121536 1392312834 1565000448 1650148544 1701715686 1760625504 1800162048 1856417112 2025182304 2268954248 2347500672 2475222816 2552573529 2700243072 2784625668 3119812091 3300297088 3403431372 3521251008 3712834224 4050364608 4537908496 4695001344 4950445632 5105147058 5400486144 5569251336 6239624182 6600594176 6806862744 7042502016 7425668448 7657720587 8100729216 9075816992 9359436273 9900891264 10210294116 11138502672 12479248364 13613725488 14085004032 14851336896 15315441174 16201458432 18151633984 18718872546 19801782528 20420588232 22277005344 24958496728 27227450976 28078308819 29702673792 30630882348 36303267968 37437745092 40841176464 44554010688 49916993456 54454901952 56156617638 59405347584 61261764696 72606535936 74875490184 81682352928 84234926457 89108021376 99833986912 108909803904 112313235276 122523529392 149750980368 163364705856 168469852914 178216042752 199667973824 217819607808 224626470552 245047058784 299501960736 326729411712 336939705828 399335947648 449252941104 490094117568 599003921472 653458823424 673879411656 798671895296 898505882208 980188235136 1198007842944 1347758823312 1797011764416 1960376470272 2396015685888 2695517646624 3594023528832 5391035293248 7188047057664 10782070586496 21564141172992
• Sum of all divisors σ(n): 70186907810880
• Sum of proper divisors (its aliquot sum) s(n): 48622766637888
• 21564141172992 is an abundant number, because the sum of its proper divisors (48622766637888) is greater than itself. Its abundance is 27058625464896

Bases of 21564141172992

• Binary: 100111001110011001010111110010111100100000000₂
• Hexadecimal: 0x139CCAF97900
• Base-36: 7N6FGVUO0

Squares and roots of 21564141172992

• 21564141172992 squared (21564141172992²) is 465012184528728789670232064
• 21564141172992 cubed (21564141172992³) is 10027588394338913997202078513449809215488
• The square root of 21564141172992 is 4643720.6174566531
• The cube root of 21564141172992 is 27834.1131756397

Scales and comparisons

• 21,564,141,172,992 seconds is equal to 685,672 years, 51 weeks, 2 days, 6 hours, 43 minutes, 12 seconds.
• To count from 1 to 21,564,141,172,992 would take you about one million, seven hundred fourteen thousand, one hundred eighty-two 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 21564141172992 cubic inches would be around 2319.5 feet tall.

Recreational maths with 21564141172992

• 21564141172992 backwards is 29927114146512
• 21564141172992 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21564141172992's digits is 54
• More coming soon!