21284269552

Names of 21284269552

• Cardinal: 21284269552 can be written as Twenty-one billion, two hundred eighty-four million, two hundred sixty-nine thousand, five hundred fifty-two.

Scientific notation

• Scientific notation: 2.1284269552 × 10¹⁰

Factors of 21284269552

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 171

Divisors of 21284269552

• Number of divisors d(n): 400
• Complete list of divisors:
  1 2 4 7 8 13 14 16 17 23 26 28 34 46 49 52 56 68 91 92 98 104 109 112 119 136 161 182 184 196 208 218 221 238 272 299 322 343 364 368 391 392 436 442 476 598 637 644 686 728 763 782 784 833 872 884 952 1127 1196 1274 1288 1372 1417 1456 1526 1547 1564 1666 1744 1768 1853 1904 2093 2254 2392 2401 2507 2548 2576 2737 2744 2834 3052 3094 3128 3332 3536 3706 4186 4459 4508 4784 4802 5014 5083 5096 5341 5474 5488 5668 5831 6104 6188 6256 6664 7412 7889 8372 8918 9016 9604 9919 10028 10166 10192 10682 10829 10948 11336 11662 12208 12376 12971 13328 14651 14824 15778 16744 17549 17836 18032 19159 19208 19838 20056 20332 21364 21658 21896 22672 23324 24089 24752 25942 29302 29648 31213 31556 32591 33488 35098 35581 35672 37387 38318 38416 39676 40112 40664 40817 42619 42728 43316 43792 46648 48178 51884 55223 58604 62426 63112 65182 69433 70196 71162 71344 74774 75803 76636 79352 81328 81634 85238 85456 86632 90797 93296 96356 102557 103768 110446 117208 122843 124852 126224 130364 134113 138866 140392 142324 149548 151606 153272 158704 163268 168623 170476 173264 181594 192712 205114 207536 220892 228137 234416 245686 249067 249704 260728 261709 268226 277732 280784 284648 298333 299096 303212 306544 326536 337246 340952 363188 385424 410228 441784 456274 486031 491372 498134 499408 521456 523418 530621 536452 554047 555464 569296 596666 598192 606424 635579 653072 674492 681904 717899 726376 820456 859901 883568 912548 938791 972062 982744 996268 1046836 1061242 1072904 1108094 1110928 1180361 1193332 1212848 1271158 1348984 1435798 1452752 1596959 1640912 1719802 1743469 1825096 1877582 1944124 1965488 1992536 2088331 2093672 2122484 2145808 2216188 2360722 2386664 2542316 2697968 2871596 3193918 3402217 3439604 3486938 3650192 3755164 3878329 3888248 3985072 4176662 4187344 4244968 4432376 4449053 4721444 4773328 5084632 5743192 6019307 6387836 6804434 6879208 6973876 7510328 7756658 7776496 8262527 8353324 8489936 8864752 8898106 9442888 10169264 11178713 11486384 12038614 12204283 12775672 13608868 13758416 13947752 14618317 15020656 15513316 16525054 16706648 17796212 18885776 22357426 24077228 24408566 25551344 27148303 27217736 27895504 29236634 31026632 33050108 33413296 35592424 44714852 48154456 48817132 54296606 54435472 57837689 58473268 62053264 66100216 71184848 78250991 89429704 96308912 97634264 102328219 108593212 115675378 116946536 132200432 156501982 178859408 190038121 195268528 204656438 217186424 231350756 233893072 313003964 380076242 409312876 434372848 462701512 626007928 760152484 818625752 925403024 1252015856 1330266847 1520304968 1637251504 2660533694 3040609936 5321067388 10642134776 21284269552
• Sum of all divisors σ(n): 57766927680
• Sum of proper divisors (its aliquot sum) s(n): 36482658128
• 21284269552 is an abundant number, because the sum of its proper divisors (36482658128) is greater than itself. Its abundance is 15198388576

Bases of 21284269552

• Binary: 10011110100101001000010110111110000₂
• Hexadecimal: 0x4F4A42DF0
• Base-36: 9S03RHS

Squares and roots of 21284269552

• 21284269552 squared (21284269552²) is 453020130362194280704
• 21284269552 cubed (21284269552³) is 9642202567111122460696688324608
• The square root of 21284269552 is 145891.2936127445
• The cube root of 21284269552 is 2771.3172824671

Scales and comparisons

• 21,284,269,552 seconds is equal to 676 years, 40 weeks, 1 day, 17 hours, 5 minutes, 52 seconds.
• To count from 1 to 21,284,269,552 would take you about one thousand, three hundred fifty-three 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 21284269552 cubic inches would be around 230.9 feet tall.

Recreational maths with 21284269552

• 21284269552 backwards is 25596248212
• 21284269552 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21284269552's digits is 46
• More coming soon!