21193429824

Names of 21193429824

• Cardinal: 21193429824 can be written as Twenty-one billion, one hundred ninety-three million, four hundred twenty-nine thousand, eight hundred twenty-four.

Scientific notation

• Scientific notation: 2.1193429824 × 10¹⁰

Factors of 21193429824

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 204

Divisors of 21193429824

• Number of divisors d(n): 378
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 49 56 63 64 72 83 84 96 98 109 112 126 144 147 166 168 192 196 218 224 249 252 288 294 327 332 336 392 436 441 448 498 504 576 581 588 654 664 672 747 763 784 872 882 981 996 1008 1162 1176 1308 1328 1344 1494 1526 1568 1743 1744 1764 1962 1992 2016 2289 2324 2352 2616 2656 2988 3052 3136 3486 3488 3528 3924 3984 4032 4067 4578 4648 4704 5229 5232 5312 5341 5976 6104 6867 6889 6972 6976 7056 7848 7968 8134 9047 9156 9296 9408 10458 10464 10682 11952 12201 12208 13734 13778 13944 14112 15696 15936 16023 16268 18094 18312 18592 20667 20916 20928 21364 23904 24402 24416 27141 27468 27556 27888 28224 31392 32046 32536 36188 36603 36624 37184 41334 41832 42728 47808 48069 48223 48804 48832 54282 54936 55112 55776 62001 62784 63329 64092 65072 72376 73206 73248 81423 82668 83664 85456 96138 96446 97608 108564 109872 110224 111552 124002 126658 128184 130144 144669 144752 146412 146496 162846 165336 167328 170912 189987 192276 192892 195216 217128 219744 220448 248004 253316 256368 260288 289338 289504 292824 325692 330672 334656 337561 341824 379974 384552 385784 390432 434007 434256 439488 440896 443303 496008 506632 512736 569961 578676 579008 585648 651384 661344 675122 750901 759948 769104 771568 780864 868014 868512 886606 992016 1012683 1013264 1025472 1139922 1157352 1171296 1302768 1322688 1329909 1350244 1501802 1519896 1538208 1543136 1736028 1737024 1773212 1984032 2025366 2026528 2252703 2279844 2314704 2342592 2605536 2659818 2700488 3003604 3038049 3039792 3076416 3086272 3472056 3546424 3968064 3989727 4050732 4053056 4505406 4559688 4629408 5211072 5256307 5319636 5400976 6007208 6076098 6079584 6758109 6944112 7092848 7979454 8101464 9010812 9119376 9258816 10512614 10639272 10801952 12014416 12152196 12159168 13516218 13888224 14185696 15768921 15958908 16202928 18021624 18238752 21025228 21278544 21603904 24028832 24304392 27032436 27776448 28371392 31537842 31917816 32405856 36043248 36477504 36794149 42050456 42557088 47306763 48057664 48608784 54064872 63075684 63835632 64811712 72086496 73588298 84100912 85114176 94613526 97217568 108129744 110382447 126151368 127671264 144172992 147176596 168201824 189227052 194435136 216259488 220764894 252302736 255342528 294353192 331147341 336403648 378454104 432518976 441529788 504605472 588706384 662294682 756908208 883059576 1009210944 1177412768 1324589364 1513816416 1766119152 2354825536 2649178728 3027632832 3532238304 5298357456 7064476608 10596714912 21193429824
• Sum of all divisors σ(n): 72182892210
• Sum of proper divisors (its aliquot sum) s(n): 50989462386
• 21193429824 is an abundant number, because the sum of its proper divisors (50989462386) is greater than itself. Its abundance is 29796032562

Bases of 21193429824

• Binary: 10011101111001110100001001101000000₂
• Hexadecimal: 0x4EF3A1340
• Base-36: 9QI0R40

Squares and roots of 21193429824

• 21193429824 squared (21193429824²) is 449161467704812670976
• 21193429824 cubed (21193429824³) is 9519272045446789689395857588224
• The square root of 21193429824 is 145579.6339602487
• The cube root of 21193429824 is 2767.3690661047

Scales and comparisons

• 21,193,429,824 seconds is equal to 673 years, 46 weeks, 7 hours, 50 minutes, 24 seconds.
• To count from 1 to 21,193,429,824 would take you about one thousand, three hundred forty-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 21193429824 cubic inches would be around 230.6 feet tall.

Recreational maths with 21193429824

• 21193429824 backwards is 42892439112
• The number of decimal digits it has is: 11
• The sum of 21193429824's digits is 45
• More coming soon!